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• Lead and develop a team of 5–8 recruiters , conducting regular 1:1s, performance reviews, and individual development planning. • Drive team performance and engagement , managing workload, motivation, retention, and challenging performance situations. • Improve recruitment processes and practices , identifying bottlenecks, addressing recurring challenges, and implementing scalable solutions. • Monitor recruitment performance and quality , using data and metrics to identify improvement opportunities and ensure hiring goals are met. • Build a culture of continuous learning , organizing training, sharing best practices, and developing recruitment competencies across the team. • Drive recruitment initiatives , including process automation, new tools, analytics, and operational improvements. • Partner with Talent Acquisition Partners, People Partners, and leadership to align hiring priorities, team capacity, and business needs. • Support complex situations and escalations , balancing the needs of recruiters, hiring managers, and the business.

Mission The mission of Speechify is to make sure that reading is never a barrier to learning. Over 50 million people use Speechify 's text-to-speech products to turn whatever they're reading – PDFs, books, Google Docs, news articles, websites – into audio, so they can read faster, read more, and remember more. Speechify 's text-to-speech reading products include its iOS app, Android App, Mac App, Chrome Extension, and Web App. Google recently named Speechify the Chrome Extension of the Year and Apple named Speechify its 2025 Design Award winner for Inclusivity. Today, nearly 200 people around the globe work on Speechify in a 100% distributed setting – Speechify has no office. These include frontend and backend engineers, AI research scientists, and others from Amazon, Microsoft, and Google, leading PhD programs like Stanford, high-growth startups like Stripe, Vercel, Bolt, and many founders of their own companies. Overview We're looking for a Software Engineer - AI Data to join Speechify 's AI team and build the data pipelines that power our model training and next-generation AI products. We build high-quality datasets at petabyte scale and low cost by combining engineering, infrastructure, and research. We're looking for a strong software engineer who enjoys solving complex problems, exploring new data sources, and building systems that make AI training more efficient and scalable. What Yo u’ ll Do: • Discover new sources of audio data and build reliable pipelines to bring them into our training datasets. • Build and improve large-scale data-processing systems, optimizing for data quality, throughput, and cost. • Collaborate closely with AI Scientists to improve training datasets and support the development of next-generation models. • Take ownership of engineering projects from problem discovery through implementation and continuous improvement. An Ideal Candidate Should Have: • A degree in Computer Science or a related field, or equivalent practical experience. • 5+ years of professional software engineering experience, with strong backend development fundamentals. • Proficiency in Python and Bash in Linux environments. • Experience building and operating production systems, ideally involving data pipelines or large-scale data processing. • Strong problem-solving skills, initiative, and the ability to work independently in ambiguous environments. Nice to Have • Experience with web crawlers, data acquisition, or distributed data-processing systems. • Experience with cloud infrastructure and Infrastructure as Code, particularly GCP and Terraform. • Familiarity with ML training data, dataset quality, or audio processing. What We Offer • A dynamic environment where your contributions shape the company and its products • A team that values innovation, intuition, and drive • Autonomy, fostering focus and creativity • The opportunity to have a significant impact in a revolutionary industry • Competitive compensation, a welcoming atmosphere, and a commitment to an exceptional asynchronous work culture • The privilege of working on a product that changes lives, particularly for those with learning differences like dyslexia, ADD, and more • An active role at the intersection of artificial intelligence and audio – a rapidly evolving tech domain The Belgium Based Salary range for this role is: 30,000-100,000 USD/Year + Bonus + Stock depending on experience. Think you’re a good fit for this job? Tell us more about yourself and why you're interested in the role when you apply. And don’t forget to include links to your portfolio and LinkedIn. Not looking but know someone who would make a great fit? Refer them! Speechify is committed to a diverse and inclusive workplace. Speechify does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status. Originally posted on Himalayas

Mission The mission of Speechify is to make sure that reading is never a barrier to learning. Over 50 million people use Speechify 's text-to-speech products to turn whatever they're reading – PDFs, books, Google Docs, news articles, websites – into audio, so they can read faster, read more, and remember more. Speechify 's text-to-speech reading products include its iOS app, Android App, Mac App, Chrome Extension, and Web App. Google recently named Speechify the Chrome Extension of the Year and Apple named Speechify its 2025 Design Award winner for Inclusivity. Today, nearly 200 people around the globe work on Speechify in a 100% distributed setting – Speechify has no office. These include frontend and backend engineers, AI research scientists, and others from Amazon, Microsoft, and Google, leading PhD programs like Stanford, high-growth startups like Stripe, Vercel, Bolt, and many founders of their own companies. Overview We're looking for a Software Engineer - AI Data to join Speechify 's AI team and build the data pipelines that power our model training and next-generation AI products. We build high-quality datasets at petabyte scale and low cost by combining engineering, infrastructure, and research. We're looking for a strong software engineer who enjoys solving complex problems, exploring new data sources, and building systems that make AI training more efficient and scalable. What Yo u’ ll Do: • Discover new sources of audio data and build reliable pipelines to bring them into our training datasets. • Build and improve large-scale data-processing systems, optimizing for data quality, throughput, and cost. • Collaborate closely with AI Scientists to improve training datasets and support the development of next-generation models. • Take ownership of engineering projects from problem discovery through implementation and continuous improvement. An Ideal Candidate Should Have: • A degree in Computer Science or a related field, or equivalent practical experience. • 5+ years of professional software engineering experience, with strong backend development fundamentals. • Proficiency in Python and Bash in Linux environments. • Experience building and operating production systems, ideally involving data pipelines or large-scale data processing. • Strong problem-solving skills, initiative, and the ability to work independently in ambiguous environments. Nice to Have • Experience with web crawlers, data acquisition, or distributed data-processing systems. • Experience with cloud infrastructure and Infrastructure as Code, particularly GCP and Terraform. • Familiarity with ML training data, dataset quality, or audio processing. What We Offer • A dynamic environment where your contributions shape the company and its products • A team that values innovation, intuition, and drive • Autonomy, fostering focus and creativity • The opportunity to have a significant impact in a revolutionary industry • Competitive compensation, a welcoming atmosphere, and a commitment to an exceptional asynchronous work culture • The privilege of working on a product that changes lives, particularly for those with learning differences like dyslexia, ADD, and more • An active role at the intersection of artificial intelligence and audio – a rapidly evolving tech domain The Sweden Based Salary range for this role is: 30,000-115,000 USD/Year + Bonus + Stock depending on experience. Think you’re a good fit for this job? Tell us more about yourself and why you're interested in the role when you apply. And don’t forget to include links to your portfolio and LinkedIn. Not looking but know someone who would make a great fit? Refer them! Speechify is committed to a diverse and inclusive workplace. Speechify does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status. Originally posted on Himalayas

Mission The mission of Speechify is to make sure that reading is never a barrier to learning. Over 50 million people use Speechify 's text-to-speech products to turn whatever they're reading – PDFs, books, Google Docs, news articles, websites – into audio, so they can read faster, read more, and remember more. Speechify 's text-to-speech reading products include its iOS app, Android App, Mac App, Chrome Extension, and Web App. Google recently named Speechify the Chrome Extension of the Year and Apple named Speechify its 2025 Design Award winner for Inclusivity. Today, nearly 200 people around the globe work on Speechify in a 100% distributed setting – Speechify has no office. These include frontend and backend engineers, AI research scientists, and others from Amazon, Microsoft, and Google, leading PhD programs like Stanford, high-growth startups like Stripe, Vercel, Bolt, and many founders of their own companies. Overview We're looking for a Software Engineer - AI Data to join Speechify 's AI team and build the data pipelines that power our model training and next-generation AI products. We build high-quality datasets at petabyte scale and low cost by combining engineering, infrastructure, and research. We're looking for a strong software engineer who enjoys solving complex problems, exploring new data sources, and building systems that make AI training more efficient and scalable. What Yo u’ ll Do: • Discover new sources of audio data and build reliable pipelines to bring them into our training datasets. • Build and improve large-scale data-processing systems, optimizing for data quality, throughput, and cost. • Collaborate closely with AI Scientists to improve training datasets and support the development of next-generation models. • Take ownership of engineering projects from problem discovery through implementation and continuous improvement. An Ideal Candidate Should Have: • A degree in Computer Science or a related field, or equivalent practical experience. • 5+ years of professional software engineering experience, with strong backend development fundamentals. • Proficiency in Python and Bash in Linux environments. • Experience building and operating production systems, ideally involving data pipelines or large-scale data processing. • Strong problem-solving skills, initiative, and the ability to work independently in ambiguous environments. Nice to Have • Experience with web crawlers, data acquisition, or distributed data-processing systems. • Experience with cloud infrastructure and Infrastructure as Code, particularly GCP and Terraform. • Familiarity with ML training data, dataset quality, or audio processing. What We Offer • A dynamic environment where your contributions shape the company and its products • A team that values innovation, intuition, and drive • Autonomy, fostering focus and creativity • The opportunity to have a significant impact in a revolutionary industry • Competitive compensation, a welcoming atmosphere, and a commitment to an exceptional asynchronous work culture • The privilege of working on a product that changes lives, particularly for those with learning differences like dyslexia, ADD, and more • An active role at the intersection of artificial intelligence and audio – a rapidly evolving tech domain The Spain Based Salary range for this role is: 30,000-110,000 USD/Year + Bonus + Stock depending on experience. Think you’re a good fit for this job? Tell us more about yourself and why you're interested in the role when you apply. And don’t forget to include links to your portfolio and LinkedIn. Not looking but know someone who would make a great fit? Refer them! Speechify is committed to a diverse and inclusive workplace. Speechify does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status. Originally posted on Himalayas

Mission The mission of Speechify is to make sure that reading is never a barrier to learning. Over 50 million people use Speechify 's text-to-speech products to turn whatever they're reading – PDFs, books, Google Docs, news articles, websites – into audio, so they can read faster, read more, and remember more. Speechify 's text-to-speech reading products include its iOS app, Android App, Mac App, Chrome Extension, and Web App. Google recently named Speechify the Chrome Extension of the Year and Apple named Speechify its 2025 Design Award winner for Inclusivity. Today, nearly 200 people around the globe work on Speechify in a 100% distributed setting – Speechify has no office. These include frontend and backend engineers, AI research scientists, and others from Amazon, Microsoft, and Google, leading PhD programs like Stanford, high-growth startups like Stripe, Vercel, Bolt, and many founders of their own companies. Overview We're looking for a Software Engineer - AI Data to join Speechify 's AI team and build the data pipelines that power our model training and next-generation AI products. We build high-quality datasets at petabyte scale and low cost by combining engineering, infrastructure, and research. We're looking for a strong software engineer who enjoys solving complex problems, exploring new data sources, and building systems that make AI training more efficient and scalable. What Yo u’ ll Do: • Discover new sources of audio data and build reliable pipelines to bring them into our training datasets. • Build and improve large-scale data-processing systems, optimizing for data quality, throughput, and cost. • Collaborate closely with AI Scientists to improve training datasets and support the development of next-generation models. • Take ownership of engineering projects from problem discovery through implementation and continuous improvement. An Ideal Candidate Should Have: • A degree in Computer Science or a related field, or equivalent practical experience. • 5+ years of professional software engineering experience, with strong backend development fundamentals. • Proficiency in Python and Bash in Linux environments. • Experience building and operating production systems, ideally involving data pipelines or large-scale data processing. • Strong problem-solving skills, initiative, and the ability to work independently in ambiguous environments. Nice to Have • Experience with web crawlers, data acquisition, or distributed data-processing systems. • Experience with cloud infrastructure and Infrastructure as Code, particularly GCP and Terraform. • Familiarity with ML training data, dataset quality, or audio processing. What We Offer • A dynamic environment where your contributions shape the company and its products • A team that values innovation, intuition, and drive • Autonomy, fostering focus and creativity • The opportunity to have a significant impact in a revolutionary industry • Competitive compensation, a welcoming atmosphere, and a commitment to an exceptional asynchronous work culture • The privilege of working on a product that changes lives, particularly for those with learning differences like dyslexia, ADD, and more • An active role at the intersection of artificial intelligence and audio – a rapidly evolving tech domain The Greece Based Salary range for this role is: 30,000-55,000 USD/Year + Bonus + Stock depending on experience. Think you’re a good fit for this job? Tell us more about yourself and why you're interested in the role when you apply. And don’t forget to include links to your portfolio and LinkedIn. Not looking but know someone who would make a great fit? Refer them! Speechify is committed to a diverse and inclusive workplace. Speechify does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status. Originally posted on Himalayas

Tomplay is a leading innovator in the digital music industry, offering interactive sheet music for musicians of all levels. With a mission to transform the way people learn and enjoy playing music, we combine technology with creativity to deliver exceptional user experiences. The Tomplay app is used by more than 2M musicians in 157 countries. The company has entered into distribution partnerships with Yamaha and Kawai, the world's largest instrument manufacturers, as well as key licensing agreements with dozens of publishers, positioning Tomplay's platform as the leader in interactive music learning. Tasks Tomplay is seeking a highly skilled and performance-driven Digital Acquisition Specialist to drive user acquisition growth through SEA/Paid media, influencer marketing, SEO, ASO, and other relevant channels. Your mission will be to leverage these channels to develop and execute global acquisition campaigns which maximise ROAS, and drive Tomplay’s overall acquisition performance. Your responsibilities include: Paid Acquisition: • Develop, execute, and manage data-driven, conversion-focused paid advertising campaigns across platforms — particularly Meta, Apple Search Ads, and other relevant networks — with strong focus on measurement, attribution, and continuous optimization. • Produce, edit, and deliver high-quality ad creatives (videos, images and other formats) ensuring they meet the highest quality standards and align with brand guidelines. The creatives will be adapted to Tomplay’s diverse target groups and cover all main personas and expectations around learning/practicing/performing music at different skill levels and for various instruments. • Leverage cost-efficient solutions such as creators, user-generated content (UGC), and AI tools to generate high-performing, qualitative creatives for acquisition campaigns, continuously testing and optimising them. • Manage the advertising budget effectively, leveraging data, measurement, and attribution insights to optimise spend, maximise ROI, and drive overall performance outcomes. • Oversee the localisation of all ads into 10+ languages, ensuring cultural relevance and high-quality translations for international markets. Influencer Outreach: • Identify, onboard, and manage influencers, content creators, and online educators to drive user acquisition and revenue growth. • Build long-term partnerships with key influencers, teachers, and communities (e.g., online music schools, instrument instructors, niche learning networks). • Track and analyse influencer and community campaigns performance to optimise for conversion and ROI. SEO/ASO-Driven Acquisition: • Research keywords and topics to identify growth opportunities and craft SEO-optimized, audience-relevant content that drives organic acquisition across Tomplay’s website, YouTube, and generative AI (ChatGPT etc.) platforms. • Monitor and analyse performance using tools such as Google Search Console, Ahrefs, and Google Analytics, providing insights with actionable improvement plans to enhance rankings and traffic quality. • Develop and implement ASO (App Store Optimization) strategies to enhance visibility and conversion on the App Store and Google Play, including keyword optimization, creative testing, and metadata updates. Requirements • Extensive experience in managing performance-driven ad campaigns across Meta, Apple Search Ads, and Google Ads with a proven track record in ROAS optimization and in running and optimising successful acquisition and remarketing campaigns. • You play a music instrument and can read music notation - this is essential to understand musician’s needs, create relevant ad content and address users preferences effectively. • Ability to produce and edit ad creatives and copies (texts, videos and images) independently, with strong attention to detail and brand consistency. Familiarity with creators/UGC and AI tools to produce high-quality, cost-efficient creatives is a strong plus. • Experience in SEO, including keyword research, content strategy, and performance tracking. • Proficiency in analytics tools such as Google Analytics, Google Search Console, Looker, Ahrefs or similar. • Fluency in English is required; knowledge of additional languages is highly desirable. • Excellent communication skills in English, both written and verbal. Benefits • Remote, full-time position with opportunities for professional growth within the company. • A dynamic and collaborative environment in a fast-growing company where you’ll have a real impact from day one. • The opportunity to help millions of musicians worldwide learn, practice, and perform music better every day. Originally posted on Himalayas

Mission The mission of Speechify is to make sure that reading is never a barrier to learning. Over 50 million people use Speechify 's text-to-speech products to turn whatever they're reading – PDFs, books, Google Docs, news articles, websites – into audio, so they can read faster, read more, and remember more. Speechify 's text-to-speech reading products include its iOS app, Android App, Mac App, Chrome Extension, and Web App. Google recently named Speechify the Chrome Extension of the Year and Apple named Speechify its 2025 Design Award winner for Inclusivity. Today, nearly 200 people around the globe work on Speechify in a 100% distributed setting – Speechify has no office. These include frontend and backend engineers, AI research scientists, and others from Amazon, Microsoft, and Google, leading PhD programs like Stanford, high-growth startups like Stripe, Vercel, Bolt, and many founders of their own companies. Overview We're looking for a Software Engineer - AI Data to join Speechify 's AI team and build the data pipelines that power our model training and next-generation AI products. We build high-quality datasets at petabyte scale and low cost by combining engineering, infrastructure, and research. We're looking for a strong software engineer who enjoys solving complex problems, exploring new data sources, and building systems that make AI training more efficient and scalable. What Yo u’ ll Do: • Discover new sources of audio data and build reliable pipelines to bring them into our training datasets. • Build and improve large-scale data-processing systems, optimizing for data quality, throughput, and cost. • Collaborate closely with AI Scientists to improve training datasets and support the development of next-generation models. • Take ownership of engineering projects from problem discovery through implementation and continuous improvement. An Ideal Candidate Should Have: • A degree in Computer Science or a related field, or equivalent practical experience. • 5+ years of professional software engineering experience, with strong backend development fundamentals. • Proficiency in Python and Bash in Linux environments. • Experience building and operating production systems, ideally involving data pipelines or large-scale data processing. • Strong problem-solving skills, initiative, and the ability to work independently in ambiguous environments. Nice to Have • Experience with web crawlers, data acquisition, or distributed data-processing systems. • Experience with cloud infrastructure and Infrastructure as Code, particularly GCP and Terraform. • Familiarity with ML training data, dataset quality, or audio processing. What We Offer • A dynamic environment where your contributions shape the company and its products • A team that values innovation, intuition, and drive • Autonomy, fostering focus and creativity • The opportunity to have a significant impact in a revolutionary industry • Competitive compensation, a welcoming atmosphere, and a commitment to an exceptional asynchronous work culture • The privilege of working on a product that changes lives, particularly for those with learning differences like dyslexia, ADD, and more • An active role at the intersection of artificial intelligence and audio – a rapidly evolving tech domain The Ireland Based Salary range for this role is: 30,000-120,000 USD/Year + Bonus + Stock depending on experience. Think you’re a good fit for this job? Tell us more about yourself and why you're interested in the role when you apply. And don’t forget to include links to your portfolio and LinkedIn. Not looking but know someone who would make a great fit? Refer them! Speechify is committed to a diverse and inclusive workplace. Speechify does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status. Originally posted on Himalayas

Das erwartet Dich Build intelligent backend systems that make a genuine impact in healthcare. Caspar Health is the leading digital platform for medical rehabilitation. We empower doctors, therapists, and nursing staff to care for patients as quickly, effectively, and sustainably as possible. To take our platform to the next level, we are expanding our small, highly agile backend squad (consisting of 3 engineers and a Product Manager). In this role, you will take full technological ownership: from designing robust Ruby on Rails services and clean API architectures to building LLM-based agent workflows with repeatable quality checks. If you are passionate about combining modern AI engineering with true purpose and highest software standards, you will thrive here. We appreciate your expertise and wish to provide full transparency regarding the compensation range for this role. Your starting salary will be aligned with your qualifications, relevant experience, skill set, and market benchmarks. Remuneration for this position follows our internal salary bands and ranges from €78,000 to €88,000 gross annually (based on a full-time 40-hour work week). This role is located in Germany and requires full physical presence within the country. Due to our existing payroll and social security framework, permanent remote employment from abroad is not supported. Candidates must be eligible to work in Germany and resident from their first day. Please be advised that we cannot offer visa sponsorship or relocation assistance at this time. Deine Herausforderungen • System Architecture: Full end-to-end ownership of your features across implementation, automated testing, release, and live operation. • Backend Engineering: Development of scalable Ruby on Rails services, robust APIs, data models, and background jobs including authorization and billing workflows. • LLM Workflows: Building and optimizing LLM applications, evaluation pipelines, and agent workflows with repeatable quality checks. • Product Collaboration: Close partnership with Product Manager and domain experts to turn complex requirements into maintainable, high-performance software. • Technical Reviews: Active contribution through clear technical reviews, operational monitoring, and explicit technical decision-making. • Quality Standards: Shaping our shared delivery practices and establishing modern test and engineering standards across the team. Dein Profil • Backend Engineering: Strong senior experience in building and maintaining complex systems using Ruby on Rails . • API Design: Proven expertise in designing clean APIs, data models, and managing background job processing. • System Architecture: Sound understanding of authorization concepts, billing workflows, and automated testing strategies. • LLM Practice: Practical experience building LLM applications, evaluations, and agent workflows. • End-to-End Ownership: Ability and mindset to own functionality independently from initial design to live production. • Technical Communication: Strong communication skills to collaborate with product and domain experts and make technical trade-offs explicit. Warum Caspar Health? • Remote-first with flexible working hours – office optional in Berlin-Mitte or up to 90 days a year outside of Germany • To match this, we support you with a monthly home office allowance and an additional meal subsidy • Plenty of time to recharge – with 30 vacation days per year • Budget for learning & development, conferences, and coaching – tailored to your potential and growth opportunities • High level of ownership and decision-making freedom – no micromanagement. We hire experts who know what they’re doing. #MakeAnImpact! • Genuine collaboration – no silos, no egos. After all, we’re all working toward the same vision. #ValueFocus! • Access to all Caspar offerings for mental and physical well-being #HealthyTogether! • And yes – all the snacks your heart desires, group sports sessions, a never-empty drinks fridge, and a healthy dose of humor are included too What defines us as a team • We live diversity – it's not a marketing slogan, it's part of our everyday reality • Feedback isn’t a tool – it’s part of our culture • We believe that technology only makes sense when it truly helps people • Our drive is purpose – but our standard is professionalism Dein Kontakt Hannah Christiani, Talent Acquisition Specialist Please submit your application online. We are also interested in knowing your earliest possible start date and your salary expectations. If you have further questions please reach out to talent@caspar-health.com. We will get in touch with you as soon as we can. Our product CASPAR Health is used in the environment of medical institutions, patients, doctors and therapists. Working with (sensitive) personal data (e.g. health data) is part of our daily work. Therefore, we require a high level of commitment to the protection of …

ABOUT US Ruby Labs is a leading tech company that creates and operates innovative consumer products. We offer a diverse range of opportunities across the health, education, and entertainment industries. Our innovative teams are driving the future of consumer-led products, and we're always looking for passionate individuals to join us. Learn more about our story at: https://rubylabs.com/about-us/ ABOUT THE ROLE We’re looking for a Senior User Acquisition Manager to take full ownership of Meta paid traffic and drive subscriptions through web funnels within a single project. Meta is the core channel, with room to expand into additional sources such as AppLovin, X, TikTok and Snapchat. You'll manage 7-figure budgets across multiple GEOs, decide what to test, scale and cut, and be accountable for results. Performance is measured on real business metrics (CPA, ROAS and cohorts), not surface-level platform numbers. We are an AI-first team, so we expect you to use Claude and automation to move faster and to streamline your day-to-day workflows. KEY RESPONSIBILITIES • Manage and scale paid social campaigns on Meta end to end: account structure, bidding, budget allocation, optimization and scaling. • Expand into additional sources (AppLovin, X, TikTok, Snapchat) and look for new growth levers: audiences, formats, placements and campaign types. • Scale spend across multiple GEOs while holding CPA and ROAS targets. • Run structured creative testing with the creative team on all channels, with clear hypotheses and simple scale/kill rules. • Work with the data team on reports, cohort analysis and deep dives, quickly diagnose drops and spikes and act on them. • Manage signal quality: conversion events, event value, purchase optimization, attribution. • Protect account health: manage ad account structure, backups and policy compliance. • Work with platform reps on betas, new campaign types and escalations. • Use Claude and automation (skills, scripts, workflows) to speed up builds, reporting and optimization. • Prepare a clear strategy, document tests and learnings, and keep an eye on market trends and competitors. QUALIFICATIONS • Paid social experience: 3+ years of hands-on experience managing paid social campaigns, with Meta as your main platform (TikTok, Snapchat, Pinterest, or AppLovin experience is a plus) and a proven ability to scale budgets efficiently while maintaining strong ROI. • High-budget management: experience managing $500k+ in monthly ad spend, with consistent optimization and sustainable growth. • Multi-GEO expertise: experience running and scaling campaigns across multiple countries and regions, and making independent, data-driven scaling decisions. • Strong analytical skills: solid command of CPA, ROAS, and cohort analysis, plus proficiency in tools like Omni/Tableau/Mixpanel and the ability to build custom performance analyses. • Meta platform knowledge: deep understanding of account structures, audience targeting, bidding strategies, and creative testing methodologies. • AI and automation: experience automating user acquisition workflows with AI, automated rules or scripts, and a mindset of constantly looking for ways to work smarter. • Autonomous and proactive: you take ownership, thrive in a fast-paced environment, and spot opportunities for testing, optimization, and growth. • Growth mindset: strong motivation to learn, experiment and scale, with a focus on long-term performance. • Clear communication: strong English, with the ability to present insights, results and recommendations to stakeholders. LOCATION Ruby Labs operates within the CET (Central European Time) zone. Applicants from any country are welcome to apply for the position as long as they are located within approximately ± 4 hours of CET. This ensures optimal collaboration and communication during working hours. BENEFITS Discover the perks of being part of our vibrant team! We offer: • Remote Work Environment: Embrace the freedom to work from anywhere, anytime, promoting a healthy work-life balance. • Unlimited PTO: Enjoy unlimited paid time off to recharge and prioritize your well-being, without counting days. • Paid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge. • Company-provided MacBook: Experience seamless productivity with top-notch Apple MacBooks provided to all employees who need them. • Flexible Independent Contractor Agreement: Unlock the benefits of flexibility, autonomy, and entrepreneurial opportunities. Benefit from tax advantages, networking opportunities, reduced employment obligations, and the freedom to work from anywhere. Read more about it here: https://docs.google.com/document/d/1nkrN76JlZkbKj9WSOhlT1_mni_CZeDkHdwfIjPXVwvk/preview?tab=t.0#heading=h.ndsdl4wapxtt Be part of our fast-growing team and seize this excellent opportunity for personal and professional growth! INTERVIEW …

Who Are We? Welltech is a global wellness technology company with Ukrainian roots. Our mission is to build and scale wellness apps globally through state-of-the-art, tech-driven performance marketing. We are one of the most established players in the wellness app space, and we are accelerating. Over 25.5 million people across the world use our apps — Muscle Booster, Yoga-Go, and WalkFit — to build healthier habits, move more, and feel better every day. Every subscription represents a real person making a real change in their life, and we take that seriously. With 500+ people across hubs in Cyprus, Ukraine, Poland, Spain, and the UK, we combine the scale of a market leader and the drive of a team that's just getting started. What We're Looking For As a Growth Product Manager, you will own and optimise acquisition funnels for one of our apps while leading complex, high-impact growth initiatives. You will combine advanced experimentation, strong commercial judgment, creativity, and deep user insight to develop innovative funnel experiences that drive subscription conversion, ARPU, and sustainable growth at scale. What you'll do • Own the performance and experimentation roadmap for your acquisition funnels, proactively identifying and prioritising the highest-impact growth opportunities. • Independently tackle complex and ambiguous growth challenges, translating them into clear strategies, actionable hypotheses, and experimentation plans. • Design and lead sophisticated experiments across areas such as pricing, personalisation, monetisation, and new funnel architectures, balancing learning speed with commercial risk. • Go beyond standard funnel metrics to uncover root causes, size opportunities, and evaluate the broader business impact of your experiments, including downstream monetisation and LTV. • Develop innovative funnel concepts that go beyond existing templates, leveraging audience psychology, user research, emerging trends, and creative experimentation. • Lead high-impact cross-functional initiatives, aligning design, engineering, analytics, acquisition, content, and product teams to bring complex ideas to life. • Apply strong experimentation methodology and statistical judgment to ensure reliable results, challenge assumptions, and make sound decisions even when data is inconclusive. • Translate experiment results into strategic insights, identifying patterns and building on learnings to inform future growth opportunities. • Build coherent acquisition experiences that connect advertising creatives, funnel messaging, monetisation, and product value propositions. • Leverage AI and automation to develop reusable workflows that improve the speed and quality of research, ideation, and experimentation. Your professional qualities • 5+ years of experience in Growth, Product, Product Marketing, or CRO/Experimentation roles, with a demonstrated track record of delivering measurable business impact. • Advanced experimentation expertise, including strong knowledge of A/B testing methodology, statistical concepts, and complex experiment design. • Strong analytical and commercial judgment, with the ability to connect conversion performance to monetisation, LTV, and broader business outcomes. • Deep understanding of UX, audience psychology, user research, and conversion optimisation. • Proven ability to independently navigate ambiguous problems, develop strategies, and drive complex initiatives from ideation through execution. • Strong cross-functional leadership and stakeholder management skills, with the ability to influence decisions and lead projects without formal authority. • Creative and innovative mindset, with the ability to challenge conventional approaches and develop original growth ideas. • English proficiency B2+. Candidate Journey Recruiter Call Meet a team member Skills Assessment Leadership Interviews Check Out Some of Our Products Muscle Booster https://musclebooster.fitness/ Yoga-Go https://yoga-go.io/ WalkFit http://walkfit.pro/

OUR VISION & PRODUCTS EverAI — Building the Future of AI Companionship One of the Top 15 Largest & Fastest-Growing AI Companies in the World 50 Million Users in 2 years — Help Us Reach 100M first, 500M next At EverAI, we’re shaping what it means to connect with AI. With 50 million users and counting, we're not just building products — we're creating entirely new categories. Our flagship product is the world’s largest AI companionship platform, redefining relationships for millions. It is governed by our proprietary moderation system, EverGuard — an internal AI designed to ensure everything we build is safe, ethical, and human-first. And we’re only just getting started! OUR TEAM We are an enthusiastic, passionate and hardworking team of ≈ 100 people. Our founding team has strong entrepreneurial experience building and scaling web products from 0 to IPO. Alexis Soulopoulos [CEO] • 10+ years in Tech Executive Leadership • Co-Founder Mad Paws Holdings (from 0 to IPO) • Forbes 30 under 30 + Deloitte TechFast50 ’22 & ‘23 Michael Monin [Co-founder & CTO] • 10+ years as CTO / COO (web2/web3), 3 years in AI/LLM • Serial-entrepreneur: MTK Digital (exited / 0->$20m revenue) and Zipchat (AI Chatbot for E-commerce brands) Thomas Lacroix [Co-founder & CMO] • 8+ years in Customer Acquisition & E-commerce Growth • Serial-entrepreneur: Curatible (sold to Blackstone) and MTK Digital (exited / 0->$20m revenue) Maruša Fasano [CFO/Legal] • 25+ years in Finance, Strategy, M&A • Ex-CFO/M&A @Curatible (exited to Blackstone) • Ex-President of the Board @SotremoSA (exited) • Co-founder/CFO @SoftOne (exited) YOUR ROLE Most LLM roles stop at experimentation. Here, the models you improve power experiences for 50M+ users. Most of our traffic runs on self-hosted, fine-tuned open-weight models. On our internal roleplay evals, our smaller fine-tuned models can outperform much larger off-the-shelf models. Your job is to make them better. You’ll join a small AI team led by Marco, our LLM Tech Lead, working closely with our CTO, Product, Web and DevOps teams. You’ll work across data, post-training, evals, and model behavior, taking ideas from failure analysis to production. The problems are real: personalization, character consistency, long conversations, better evals, multilingual behavior, and faster training cycles. If you want to shape model behavior at consumer scale, this is the role. KEY RESPONSIBILITIES • Fine-tune open-weight LLMs using SFT, LoRA/QLoRA and post-training methods such as DPO and GRPO • Diagnose model failures and turn them into experiments. Decide whether the answer is better data, post-training, prompting or classifiers • Build training data and evals that directly shape what gets trained next • Improve model behavior across personalization, consistency, tone, multilingual and group interactions • Ship to production and use real user behavior to guide the next iteration • Speed up the training loop so experiments are faster, easier to compare, and more reproducible YOUR QUALIFICATIONS • You’ve personally post-trained open-weight LLMs for a user-facing product and shipped them to production • You’ve worked where AI was core to the product or business, not an experimental side feature • Fine-tuning is core to your experience • Strong Python, PyTorch and Hugging Face, with hands-on GPU training and debugging • You build data and evals yourself and make decisions from evidence • You can take work beyond notebooks into production • You use AI tools daily in your own engineering work • You are fully comfortable working with uncensored models and explicit NSFW content, including harmful material when developing and evaluating moderation system BONUS POINTS • Experience with conversational AI, roleplay products, or highly personalized consumer AI • Multilingual LLMs • Moderation, safety, or adversarial testing • Multimodal models • Open-source LLM / post-training contributions WHY EVERAI? Exponential Growth: From 50M users in 2 years, to 100M next — and 500M beyond Track Record of Category-Creating Innovation: We consistently launch world-first AI applications — setting the pace, not following it Global Impact: Top-tier user growth, real-world adoption, and cultural relevance Proven Leadership: A senior team that’s launched, scaled, and exited & IPO’d multiple scale ups — now fully focused on reshaping AI companionship Elite Remote Team: 100% remote and built to win — world-class talent from Tier 1 tech companies, with a culture of ownership, velocity, and radical creativity Ethical Core: Our AI ecosystem is governed by EverGuard, our proprietary AI moderation technology, ensuring responsible development at scale WHAT WE OFFER Contract Type: We prefer B2B, but we’re flexible, what matters is long-term commitment and impact Work From Anywhere: Fully remote. Choose the environment where …

ABOUT US Ruby Labs is a leading tech company that creates and operates innovative consumer products. We offer a diverse range of opportunities across the health, education, and entertainment industries. Our innovative teams are driving the future of consumer-led products, and we're always looking for passionate individuals to join us. Learn more about our story at: https://rubylabs.com/about-us/ ABOUT THE ROLE This is a senior, hands-on media buying role with end-to-end ownership. You will own the whole acquisition process on Paid Social acquisition channels: strategy, account structure, bidding, budget allocation, creative testing, measurement, scaling and account health. You decide what to test, what to scale and what to cut, and you are accountable for the results. We need someone who has already run Paid Social Ads at scale, who knows how to grow profitably in a policy-sensitive niche, and who can operate independently on large budgets. You will manage performance against real revenue data (CPA, FTD, ROAS, payback, player LTV and cohorts), not surface-level platform metrics. We also work AI-first, and we expect you to use Claude and automation to move faster. KEY RESPONSIBILITIES • Own the process end-to-end: take full ownership of acquisition across all paid social ad networks (TikTok, Meta, AppLovin, Snapchat, and more): planning, launch, optimization, scaling, reporting and documentation. • Scale spend profitably in the US market while holding payback, ROAS and CPA targets based on real revenue and player-value data. • Build and optimize account structure, conversion events, value-based bidding and budget allocation across paid social networks. • Decide budget allocation across acquisition channels and find new scaling levers: audiences, formats, placements, campaign types and additional channels. • Run a structured, high-velocity creative testing process with the creative team on all channels, with clear hypotheses and kill/scale rules. • Manage signal quality: conversion events, event value, deposit / purchase optimization, attribution. • Operate in a policy-sensitive niche: run in the US within each platform's rules. Keep ads and handle disapprovals, appeals and restrictions, and build prevention-first processes so issues are caught before launch. • Protect account health: manage ad account structure, backups and recovery plans. • Work with reps on betas, new campaign types and escalations. • Diagnose drops and spikes quickly and act on them. • Document tests, learnings and playbooks, and use Claude and automation to speed up builds, QA, reporting and optimization. QUALIFICATIONS • 5+ years of hands-on paid social / user acquisition experience. • Large-scale experience running acquisitions in the US market. • Proven experience working in policy-sensitive niches and keeping accounts healthy while scaling. • Strong hands-on Meta Ads experience scaling accounts profitably. • Hands-on AppLovin (AppLovin Ads / AXON) experience, scaling it as an acquisition channel. • Direct ownership of large budgets, ideally $1M+/month hands-on. • Strong understanding of unit economics: LTV, ROAS, payback windows, cohorts, high-value-user dynamics and value-based optimization. • Deep policy and account health experience: disapprovals, appeals, restrictions, ad account bans and how to recover and prevent them. • Strong creative testing discipline and measurement rigor. • Ownership mentality: you run channels end-to-end with minimal supervision and take responsibility for outcomes. LOCATION Ruby Labs operates within the CET (Central European Time) zone. Applicants from any country are welcome to apply for the position as long as they are located within approximately ± 4 hours of CET. This ensures optimal collaboration and communication during working hours. BENEFITS • Remote Work Environment: Embrace the freedom to work from anywhere, anytime, promoting a healthy work-life balance. • Unlimited PTO: Enjoy unlimited paid time off to recharge and prioritize your well-being, without counting days. • Paid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge. • Company-provided MacBook: Apple MacBooks provided to all employees who need them. • Flexible Independent Contractor Agreement: Unlock the benefits of flexibility, autonomy, and entrepreneurial opportunities. Read more about it here: Independent Contractor Agreement https://docs.google.com/document/d/1dHF4ctKlez75whdn-ybUwP5d5Wr0BdwVrorrm_fM40Q/preview Be part of our fast-growing team and seize this excellent opportunity for personal and professional growth! LIFE AT RUBY LABS At Ruby Labs, we are more than a team; we're a community united in pushing the boundaries of technology and innovation. Our combined passion fuels our ambition for excellence, driving impact that resonates around the globe. We are an equal-opportunity employer and …