Principal Android Engineer

Remote, London·Added 4 days ago (last checked 30 Oct)

hedgehog lab

12 open roles

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Our summary

Work mode: Remote (London)
Contract: Contract role, outside IR35
Experience: Senior level

Skills

Requirements

What we're looking for

Commercial Android experience at a senior or lead level, in Kotlin with Coroutines and Flow
Leading the technical direction of an Android app, including architecture decisions
Mentoring engineers and setting standards for a team
Jetpack Compose, plus XML layouts, Data Binding and enough Java to work on older code
MVVM and dependency injection with Hilt and Dagger
Unit testing with JUnit and MockK, and using tests to make safe changes in large codebases
Mobile security, particularly protecting sensitive data and securing network calls

Nice to have

Banking, fintech or other regulated apps
SAFe or another scaled agile framework
Leading a migration from XML screens to Compose
UI testing with Espresso or Compose
Certificate pinning, code obfuscation and root detection
CI/CD pipelines and mobile release processes
Accessibility experience

The role

A lot of Principal roles take you away from the code.

Here you'll lead the technical side of a hedgehog lab team delivering a UK bank's Android app as it moves to Jetpack Compose, and still build alongside them.

You'll shape how a large banking app moves to Compose, from the approach the team takes to the standards it follows.

You'll lead a consultancy team that owns the delivery, with engineers who take testing and code reviews seriously.

You'll add regulated banking work to your CV, which carries weight on future contracts.

Who you'll be doing it for

You'll lead a hedgehog lab delivery team working on our client's customer-facing Android app. Our client is a well-known UK bank.

What you'll be doing

What you'll do

Leading the team's technical decisions, including architecture and the move from XML and Data Binding to Compose
Setting coding, testing and code review standards for the team
Mentoring the Senior engineers
Working with the client's own engineers on technical approach and priorities
Building features in Kotlin and Compose within an MVVM architecture using Hilt and Dagger
Making sure sensitive data and network calls are handled securely
Leading investigations into defects and performance issues

What's in it for you

It's a contract outside IR35, expected to start in January 2027 and run for around 6 months. You'll work remote first, [on-site expectation]What's in it for you

How to apply

If this sounds like you, apply below and we'll be in touch.

About hedgehog lab

Industry: Software Development

In their own words

About the company & team

hedgehog lab is a digital product consultancy with 20 years of experience helping public and private sector organisations through digital transformation. We're B Corp and Great Place to Work certified.

All open roles at hedgehog lab