Android Engineer (Kotlin And Flutter) - 12-Month Contract - London/Bristol - Inside IR35

Hamilton Barnes; Greater London; Hybrid; GBP 500 - 700; Full time

Job summary

Hamilton Barnes is seeking two Android Engineers (Kotlin and Flutter) for a 12-month contract based in London or Bristol. The role involves designing, building and maintaining secure Android apps, collaborating with product, design and backend teams.

Hybrid work arrangement and Inside IR35 apply. The ideal candidate will be proficient in Kotlin and Flutter, familiar with Android Studio, Jetpack Compose, and MVVM/MVI/MVC architectures, and capable of CI/CD using Jenkins or GitHub Actions.

Qualifications

• Strong proficiency in Kotlin and Flutter required.
• Experience designing and releasing Android apps.
• Experience with modern Android architecture and CI/CD pipelines.

Responsibilities

• Design, build and maintain mobile Android applications.
• Implement UI with Jetpack Compose and Material Design.
• Integrate RESTful APIs and GraphQL securely.
• Ensure app performance and memory efficiency across devices.
• Contribute to code quality and reusable components.

Skills

Kotlin

Flutter

Jetpack Compose

MVVM

MVI

MVC

Unit testing

UI testing

Git

Android Studio

GitHub

Jenkins

Bitrise

GitHub Actions

Tools

Android Studio

GitHub

Jenkins

Bitrise

GitHub Actions

Job description

Android Engineer (Kotlin and Flutter) - 12-Month Contract - London/Bristol - Inside IR35

Our client, a leading IT consultancy, is looking for two Android Engineers to join a consumer servicing and engagement programme. You will design, build and maintain secure, production-ready Android applications, working closely with product owners, designers and Back End engineers. This is a 12-month contract, Inside IR35, based in London or Bristol.

Key Responsibilities

• Design, develop and maintain mobile applications for the Android ecosystem
• Implement modern UI using Jetpack Compose and Material Design, working closely with product teams
• Integrate RESTful APIs, GraphQL and third-party services into secure, high-performing applications
• Build, test, debug and deploy apps across Android versions and devices, optimising performance and memory use
• Contribute to code quality standards, code reviews and reusable component libraries

What You Will Ideally Bring

• Strong proficiency in Kotlin and Flutter, with proven experience building and releasing Android apps
• Expertise with Android Studio, Jetpack Compose and Core Android components (Activities, Fragments, Services, Broadcast Receivers, Content Providers)
• Solid grounding in MVVM, MVI, MVC or Clean Architecture, with push notifications, background services and app life cycle management
• Experience with Git/GitHub/GitLab and unit and UI testing (JUnit, Espresso), working in an Agile/Scrum team
• Desirable: CI/CD exposure (Jenkins, Bitrise or GitHub Actions)

Contract Details

• Duration: 12 months
• Day Rate: Negotiable
• Determination: Inside IR35
• Location: London OR Bristol (Hybrid)
• Positions: 2
• Start Date: ASAP

Android Engineer (Kotlin and Flutter) - 12-Month Contract - London/Bristol - Inside IR35