Senior Android Engineer - Hybrid, £100K

Senior Android Engineer

London (Hybrid — 2 days onsite per week)

Kotlin • Compose • Coroutines • Modular Architecture • KMP

A high-growth technology business in the data and privacy space is looking for a Senior Android Engineer to join the team building their flagship app. This product helps users understand, control and benefit from their data, and sits at the heart of a rapidly expanding consumer and B2B ecosystem.

Their Android app is fully Kotlin-based, heavily modularised, and all new features are built with Jetpack Compose. Coroutines and Flows are used extensively throughout, testing is taken seriously (unit, UI and integration), and Kotlin Multiplatform is now being introduced to share code with iOS.

You’ll be joining a collaborative engineering group working on major new features, shaping technical discussions, influencing architecture and API design, and helping to evolve a category-defining product used across the UK, US and several new international markets launching in 2026.

What they’re looking for

• 5+ years commercial Android experience
• Deep Kotlin knowledge
• Strong experience with Coroutines and Flows
• Experience with automated testing + CI/CD
• Ability to discuss architecture and make tradeoff decisions
• Clear written and verbal communication skills

Benefits

• Competitive salary + meaningful share options
• Hybrid working (3 days WFH)
• 32 days holiday
• Your choice of hardware
• Annual training and conference budget
• Regular team days out
• Real autonomy within a fast-growing organisation