Software Engineer (Android) - Service Agreement

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