Emplois à distance

Rate: 130 – 170 PLN/hour (B2B) We are looking for an experienced Software Engineer to join Flix on a freelance/service agreement basis (B2B contract). This is a contractor engagement for a seasoned professional who doesn’t just write code but thinks about the entire mobile ecosystem, including performance, quality, scalability, UX, and testing. Scope of Services Bring expertise in building high-quality, scalable, and user-friendly Android applications to enhance the Flix passenger journey — optimizing key features such as post-booking and home page experiences, while incorporating innovative solutions that drive mobile development excellence. About the Engagement • Design, develop, and maintain high-quality Android applications with a focus on scalability, performance, and user experience. • Support closely iOS, Backend, and feature teams to align on feature specifications and ensure seamless cross-platform integration. • Drive technical improvements across the entire codebase, including architecture enhancements and codebase modernization. • Enhance app performance and user experience through UI optimizations, accessibility compliance, and improvements in battery usage, memory management, and load times. • Leverage analytics & metrics to make data-driven decisions, optimizing performance and engagement based on user behavior and app health. • Write clean, maintainable, high quality and testable code, ensuring high test coverage through unit, integration, and UI tests to guarantee reliability. • Actively contribute to improving CI/CD pipelines, app stability, and release processes, driving faster delivery and higher productivity. • Maintain clear, up-to-date technical documentation, including API specs, architectural decisions, and code comments, fostering transparency and knowledge sharing within the stakeholders. About You • 6+ years of Android development experience with a proven track record of building high-quality, user-facing Android apps. • Strong expertise in Kotlin (Jetpack Compose, MVVM, Coroutines), with a deep understanding of Android architecture and best practices. • Hands-on experience with performance optimizations, background services, memory management, and smooth user interactions (UI, animations). • Experience with testing (unit, integration, UI testing) and a strong commitment to writing testable, maintainable code. • Ability to drive technical strategy, ensuring high standards in code quality, performance, and scalability. • Understanding of SOLID principles and software architecture patterns. • Experience working with CI/CD pipelines and automated deployment systems (GitLab, Fastlane, Docker). • Experience with Firebase SDK, including Firebase Analytics, Remote Config, and Crashlytics. • Customer-centric approach with a focus on delivering great user experiences. Cooperation model • Cooperation based on a service agreement (B2B/freelance contract), not an employment contract. • You will operate as an independent contractor, responsible for delivering agreed services and submitting invoices • Location : open for contractors based in Poland

Rate: 90 – 120 PLN/hour (B2B) We are looking for an experienced Workday Integration Engineer to join Flix on a freelance/service agreement basis (B2B contract) . This is a contractor engagement for a seasoned integration professional who wants to work on impactful, hands-on engineering challenges. Scope of Services Design, build, and maintain AWS-based integrations between our Workday HRIS and the internal and external systems within FlixTech People Enablement Stream. Work closely with HR, IT Infrastructure, various internal stakeholders, and external vendors to ensure seamless data flow and automation across platforms. About the Engagement • Design, build, and deploy scalable integrations on AWS connecting HR, payroll, and workforce platforms — consuming data from systems like Workday, Deel, Greenhouse, and other third-party providers • Architect and maintain event-driven and API-based integration workflows using AWS services including EventBridge, Lambda, API Gateway, ECS/Kubernetes, SQS, and S3 • Use Python to develop integration services, automation scripts, and data transformation and mapping logic to ensure accurate and consistent data exchange between systems • Use Infrastructure as Code, such as Terraform, to provision and maintain cloud infrastructure in a consistent and repeatable manner • Implement CI/CD pipelines using Git and DevOps tools to streamline code versioning, testing, and deployment • Implement secure integration pipelines using OAuth 2.0, SFTP, certificate-based authentication, AWS KMS encryption, fine-grained access controls, and PII masking to ensure GDPR compliance and protect international employee data • Implement monitoring, logging, and error-handling mechanisms to support troubleshooting, data integrity, and reliable production operations • Collaborate with functional teams to understand business processes and translate them into robust integration solutions • Troubleshoot and optimize integration performance in development, testing, and production environments • Provide technical guidance, best practices, and consulting to other developers About You • Experience connecting diverse HR, ATS, payroll, and EOR systems (Workday, Deel, Greenhouse, etc.), with a strong grasp of employee lifecycle events, organizational structures, and payroll cutoffs • Experience with API-based integrations using REST, SOAP, and JSON/XML • Experience with AWS, API Gateway, Terraform, and Infrastructure as Code • Familiarity with CI/CD pipelines, version control systems, and modern DevOps practices • Experience with secure data exchange, including SFTP, certificate management, encryption, and API authentication • Strong communication skills to collaborate with HR, Finance, IT, and external vendors to turn business needs into integration designs • Fluent in English; German language skills are a welcome bonus Preferred Skills: • Experience with Workday Integration technologies such as Workday Studio, PECI, Core Connectors, or EIBs Collaboration Model • Cooperation based on a service agreement (B2B/freelance contract), not an employment contract • You will operate as an independent contractor, responsible for delivering agreed services and submitting invoices • Location : open for contractors based in Poland

Rate: 90 – 120 PLN/hour (B2B) We are looking for an experienced Workday ERP Consultant to join Flix on a freelance/service agreement basis (B2B contract) . This is a contractor engagement for a seasoned HR systems professional who wants to work on impactful, hands-on HR technology challenges. Scope of Services Design, build, and maintain HR solutions with Workday and other HR systems within Flix People Enablement Tech Department. Work closely with HR, IT infrastructure, and different internal stakeholders and external vendors to ensure seamless data flow and automation across platforms. About the Engagement • Overview and develop the existing HR environment, find improvements and implement them • Support the technical and functional implementation of processes using Workday, Greenhouse and further systems • Understand current business processes, identify gaps, suggest improvements and continuously optimize them • Work closely with key users from HR department and contribute to a stable system environment • Accompany system and acceptance tests and document these thoroughly • Build trustful relationships with the respective stakeholders and project participants, consult them and represent a competent contact • Facilitate the expansion of the current Workday implementation with customizations that support a fast-growing company About You • Bachelor/Master degree in Informatics, Computer Science, Business Informatics, Economics, or similar • At least 3 years of professional experience as a Business Analyst / Administrator / Consultant for Workday • Experience in implementation projects and consulting stakeholders throughout project phases • Proven experience configuring and supporting Workday Recruiting • Fluent in English Preferred Skills: • Experience in Compensation, 3rd-Party Payroll Integration, Talent & Performance, Headcount Planning, Absences or Workday Integrations modules Collaboration Model • Cooperation based on a service agreement (B2B/freelance contract), not an employment contract • You will operate as an independent contractor, responsible for delivering agreed services and submitting invoices • Location : open for contractors based in Poland

Rate: 135 – 170 PLN/hour (B2B) We are looking for an experienced Software Engineer to join Flix on a freelance/service agreement basis (B2B contract) . The team owns a critical product at the heart of the Flix ecosystem - optimizing how Flix coordinates with Mobility Partners to keep millions of passengers moving across the globe. Scope of Services You'll have a real impact, contributing not just to code, but to product and technical decisions that directly impact the business. With your services you’ll maintain and continuously evolve a mature, stable product while simultaneously pushing it forward - tackling complex architectural challenges, reducing manual processes, and exploring AI-driven solutions. About the Engagement • You’ll collaborate with a distributed, self-organized, cross-functional team • You’ll have the opportunity to co-design new products from the ground up while continuously improving existing ones, with room to explore and implement cutting-edge technologies • Drive the development process in an Agile environment, placing Flix users at the center of each solution you and the team create • Support technical decisions across teams, improving technical excellence through collaboration and lateral leadership • Help define and deliver products that optimize the coordination between Flix and Mobility Partners, enhancing efficiency and reducing manual tasks About You • 6+ years of experience as a Software Java and/or Kotlin Engineer, with knowledge of distributed systems, including Spring/Spring Boot, Kafka, MySQL/Postgres, Redis, MongoDB and S3 • Willingness to work with both Java (for existing products) and Kotlin (for new ones) • Experience in making architectural decisions, and writing clean, performant, well-tested code • Autonomy and ownership in solving technical challenges, as well as strong communication skills when working with a distributed team • A strong product mindset, with a passion for user experience and a data-driven approach to decision-making • Experience in coding with AI • Fluent in English (upper-intermediate or higher) Nice-to-Haves • Experience with DevOps and infrastructure: Kubernetes, Docker, Gitlab CI, AWS, Terraform • Familiarity with data engineering (ETL, Snowflake) • Ability to be a sparring partner , share knowledge and experience, explain complex things in plain language, consult/ mentor, and provide constructive feedback Cooperation Model • Cooperation based on a service agreement (B2B/freelance contract), not an employment contract • You will operate as an independent contractor, responsible for delivering agreed services and submitting invoices • Location : open for contractors based in Poland

Rate: 90 – 120 PLN/hour (B2B) We are looking for a skilled Fullstack Engineer (Frontend focused) for service agreement collaboration (B2B contract) to cooperate with a team dedicated to Network Planning at FlixTrain - building internal tools that help plan the timetable and vehicle allocation, reduce manual processes, and increase productivity. This is a greenfield environment with plenty of room to shape new products from the ground up and explore innovative solutions for our internal users. Scope of Services You will independently develop and deliver high-quality frontend features, with occasional backend work, within a self-organized, cross-functional, distributed team. This includes building intuitive user interfaces with a focus on the experience of our internal users. You will also help drive frontend architecture decisions and contribute to technical quality across teams through code reviews and close collaboration. About the Engagement • Design and build internal web applications that automate and simplify FlixTrain Network Planning workflows • Develop modern, responsive user interfaces with React and TypeScript and contribute to a consistent, reusable frontend architecture • Design and implement backend functionality, including GraphQL APIs, server-side logic and database models • Work with internal users and stakeholders to understand their needs and turn them into practical product solutions • Write and maintain automated tests, to ensure reliability and maintainability • Collaborate with other engineers across a distributed architecture within an Agile environment • Document technical decisions, solutions and ways of working About You Must have: • Hands-on experience with React (React 19 in our stack) and TypeScript, with a strong command of HTML and CSS • Experience with an object-oriented backend language. Java is not required, but preferable: Node.js or similar is acceptable, provided you have real backend development experience, not just scripting • Hands-on experience in backend web application development: building and designing GraphQL APIs, server-side logic and database design • Experience writing tests and working with test runners such as Vitest • Understanding of event-driven systems and how to work with them • Solid written and spoken English skills • Experience working in an Agile setup • Curiosity about the business domain. Interest in transportation, logistics or similarly complex domains is a good signal, as is the ability to explain such a domain clearly Nice to have: • GraphQL: used in our stack (Spring for GraphQL, Apollo, gql.tada) • Java and Spring Boot / Spring Framework • Kafka • Experience with agentic or AI-assisted coding Collaboration Model • Contract type: Cooperation based on a service agreement (B2B/freelance contract), not an employment contract • Working model: Independent contractor responsible for delivering agreed services and submitting invoices • Location: Open for contractors based in Poland