Android Engineer
Vallum
Salary: $50 – $83 per year
Android Engineer
12 Months contract Inside IR35
London/Hybrid
Rate: £450/day
We are looking for an experienced Android Engineer to join a global engineering team developing mobile applications used by millions of users worldwide.
You will be responsible for designing, developing, maintaining and optimising Android applications, working closely with product, design, QA, Back End and engineering teams. The role offers the opportunity to work on modern Android technologies while also improving and modernising existing codebases.
Essential Skills & Experience
- Strong commercial experience developing Android applications using Kotlin
- Hands-on experience with Android Jetpack
- Strong understanding of MVI or other modern Android architectural patterns
- Strong experience with Gradle, Git and CI/CD pipelines
- Experience with GitHub Actions and/or CircleCI
- Experience integrating REST APIs, ideally using OkHttp
- Strong knowledge of Kotlin Coroutines, Flow and/or RxJava
- Experience with application debugging, performance analysis and optimisation
- Experience maintaining, refactoring and modernising Legacy Android applications
- Strong knowledge of JUnit and Espresso
- Excellent communication and collaboration skills
- Experience working within distributed or global engineering teams
- Degree in Computer Science or equivalent professional experience
Reference: WJ-766_24116556 · Posted 09 Nov 2026, 09:53 PM