Software Engineer (Android) - Service Agreement

Warsaw·Posted today

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<div> 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.   </div> <div> Scope of Services </div> <div> 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.  </div> About the Engagement <ul> <li data-leveltext="●" data-font="" data-listid="3" data-list-defn-props="{"335552541":0,"335559685":720,"335559991":360,"469769242":[65533,0],"469777803":"left","469777804":"●","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1">Design, develop, and maintain high-quality Android applications with a focus on scalability, performance, and user experience.</li> <li data-leveltext="●" data-font="" data-listid="3" data-list-defn-props="{"335552541":0,"335559685":720,"335559991":360,"469769242":[65533,0],"469777803":"left","469777804":"●","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1">Support closely iOS, Backend, and feature teams to align on feature specifications and ensure seamless cross-platform integration.</li> <li data-leveltext="●" data-font="" data-listid="3" data-list-defn-props="{"335552541":0,"335559685":720,"335559991":360,"469769242":[65533,0],"469777803":"left","469777804":"●","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1">Drive technical improvements across the entire codebase, including architecture enhancements and codebase modernization.</li> <li data-leveltext="●" data-font="" data-listid="3" data-list-defn-props="{"335552541":0,"335559685":720,"335559991":360,"469769242":[65533,0],"469777803":"left","469777804":"●","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1">Enhance app performance and user experience through UI optimizations, accessibility compliance, and improvements in battery usage, memory management, and load times.</li> <li data-leveltext="●" data-font="" data-listid="3" data-list-defn-props="{"335552541":0,"335559685":720,"335559991":360,"469769242":[65533,0],"469777803":"left","469777804":"●","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1">Leverage analytics & metrics to make data-driven decisions, optimizing performance and engagement based on user behavior and app health.</li> <li data-leveltext="●" data-font="" data-listid="3" data-list-defn-props="{"335552541":0,"335559685":720,"335559991":360,"469769242":[65533,0],"469777803":"left","469777804":"●","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1">Write clean, maintainable, high quality and testable code, ensuring high test coverage through unit, integration, and UI tests to guarantee reliability.</li> <li data-leveltext="●" data-font="" data-listid="3" data-list-defn-props="{"335552541":0,"335559685":720,"335559991":360,"469769242":[65533,0],"469777803":"left","469777804":"●","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1">Actively contribute to improving CI/CD pipelines, app stability, and release processes, driving faster delivery and higher productivity.</li> <li data-leveltext="●" data-font="" data-listid="3" data-list-defn-props="{"335552541":0,"335559685":720,"335559991":360,"469769242":[65533,0],"469777803":"left","469777804":"●","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1">Maintain clear, up-to-date technical documentation, including API specs, architectural decisions, and code comments, fostering transparency and knowledge sharing within the stakeholders. </li> </ul> About You <ul> <li>6+ years of Android development experience with a proven track record of building high-quality, user-facing Android apps. </li> <li>Strong expertise in Kotlin (Jetpack Compose, MVVM, Coroutines), with a deep understanding of Android architecture and best practices. </li> <li>Hands-on experience with performance optimizations, background services, memory management, and smooth user interactions (UI, animations). </li> <li>Experience with testing (unit, integration, UI testing) and a strong commitment to writing testable, maintainable code. </li> <li>Ability to drive technical strategy, ensuring high standards in code quality, performance, and scalability. </li> <li>Understanding of SOLID principles and software architecture patterns. </li> <li>Experience working with CI/CD pipelines and automated deployment systems (GitLab, Fastlane, Docker). </li> <li>Experience with Firebase SDK, including Firebase Analytics, Remote Config, and Crashlytics. </li> <li>Customer-centric approach with a focus on delivering great user experiences. </li> </ul> Cooperation model <ul> <li>Cooperation based on a service agreement (B2B/freelance contract), not an employment contract.</li> <li>You will operate as an independent contractor, responsible for delivering agreed services and submitting invoices </li> <li>Location: open for contractors based in Poland</li> </ul> <iframe src="https://www.youtube.com/embed/YlHz7TiiRAw" width="560" height="314"></iframe>

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