Senior Software Engineer (Android) - Service Agreement

Flix·Warsaw·Posted 21 October 2026

Apply with a tailored CV View on Flix's site

About the role

Rate: 135 – 170 PLN/hour (B2B) We are looking for an experienced Senior Software Engineer to join Flix on a freelance/service agreement basis (a 1-year 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,…

This is a summary of the advert. The full description and the application are on Flix's careers site.

Apply faster with Prepper

A version of your CV tailored to this Senior Software Engineer (Android) - Service Agreement role.
A cover letter written from your CV and this advert.
Prepper can fill in Flix's application form and send it once you approve.
The application saved in your tracker, with reminders to follow up.

Start free

More roles at Flix

Prepper is independent and not affiliated with Flix. Roles are listed from the employer's public careers system and removed when they close.