Android Engineer

Role: Android Engineer

Department: Technology

Reporting To: Engineering Manager

Contract Location: UK

Working Style: Fully flexible remote working model

Hours of Work: Mon - Fri, 9:00 - 17:30

Travel Requirements: 1-3 time per year

About Jaja

Our Mission: Empowering our customers to buy, borrow, and build—driven by technology, fuelled by data, and built for the future.

Our Company Values: Care Deeply, Adapt & Thrive, Challenge Everything, Go for It Own It, Make It Simple.

Jaja is an innovative UK-based consumer finance business, initially launching a digital credit card in 2018, with a pipeline of consumer finance solutions in development. With backing from major private equity funds, Jaja has grown rapidly, recently acquiring a £530m credit card portfolio from the Bank of Ireland and launching a significant partnership with Asda in the UK.

We are on a mission to redefine the consumer finance experience and liberate customers from unnecessary complexity, wasted time, and frustration. Or as we say it, Make It Simple. We aim to delight our customers by making their experience simpler, more enjoyable, and more intelligent treating them fairly and giving them greater control over their finances.

Why Join Us?

This is an opportunity to make a significant impact in a growing business on a mission to transform the consumer finance industry forever. Join our Technology team, working in agile squads with passionate colleagues, to deliver top-tier technical solutions for our mobile-first consumer finance platform in a fast-paced environment.

About The Role

As an Android Engineer, you will deliver a substantial backlog of varied and exciting changes to our native Android app by providing high-quality technical solutions. This will be a combination of both business-led features and platform-led technical initiatives.

Key Responsibilities

• Work with product owners and designers to refine, estimate and prioritise Jira tickets
• Attend and contribute to agile ceremonies and platform discussions
• Collaborate with other Android engineers through the code peer review process
• Deliver code that is easy to understand, maintain and test
• Collaborate closely with engineers from other platforms

About You

We're seeking passionate individuals who align with our values—caring deeply about customer experience, adapting to challenges, and owning their work to deliver simple, high-quality solutions. The successful candidate must reside in Europe and have the legal right to work in the jurisdiction they live in and meet the following criteria:

Required Skills & Experience

• Enthusiasm to learn and deliver high-quality software.
• Experience in agile teams with practices like pairing and code reviews.
• Proven experience developing consumer-facing Android apps using Kotlin.
• Understanding of design patterns, SOLID, and clean code principles.
• Ability to write unit tests with mocking frameworks.
• Proficiency in reactive programming using Kotlin Flow.
• Experience building modern UIs with Jetpack Compose.
• Knowledge of dependency injection.
• Familiarity with crash report analysis, bug fixing, and performance optimisation.
• Experience with tools such as Jira, Git, and Bitrise.

Desired Skills & Experience

• Experience with Koin, Realm, Room, Coroutines, Jetpack Navigation, Compose Navigation, Mockito, JUnit, Espresso, or Clean/MVVM architecture.
• Knowledge of delivering accessibility features for users.
• Familiarity with design tools like Sketch or Figma.
• Experience with other front-end platforms such as iOS or Web (Angular).

What's in It for You?

• Competitive salary based on industry benchmarking.
• Fully flexible remote working model.
• Pension Salary Exchange scheme to enhance pension contributions.
• Participation in our annual bonus scheme.
• 25 days annual leave (FTE) plus UK bank holidays (increasing by 1 day per full calendar year worked, up to 30 days).
• An additional day off for your birthday each year.
• Private medical cover through Vitality. (UK only)
• 4x life assurance cover.
• Family-friendly policies with enhanced support.
• Free access to our confidential Employee Assistance Programme.
• Access to company perks, competitions, and recognition schemes.