Android Engineer

Vallum; Greater London; Hybrid; GBP 50,000 - 83,000; Full time

Job summary

Vallum is seeking an experienced Android Engineer to join a global engineering team delivering mobile apps used by millions. You will design, develop and optimise Android applications, collaborating across product, design, QA and back-end teams to modernise legacy code.

The role requires strong Kotlin, Android Jetpack and modern architecture experience, with CI/CD pipelines and cross-functional collaboration in a distributed global team.

Qualifications

• Experience developing Android applications in Kotlin.
• Experience with Android architecture patterns (MVI or similar).
• Strong CI/CD and version-control experience.

Responsibilities

• Design, develop, maintain, and optimise Android applications.
• Collaborate with product, design, QA, back end and engineering teams.
• Improve and modernise existing codebases.

Skills

Kotlin

Android Jetpack

MVI architecture

CI/CD pipelines

Git

GitHub Actions

CircleCI

OkHttp

Kotlin Coroutines/Flow/RxJava

JUnit

Espresso

Communication

Distributed teams

Education

Degree in Computer Science

Tools

Gradle

Job description

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