Senior Android Engineer

Senior Android Engineer – Ambitious Start-Up – London (Hybrid) The Job This is a rare one: a Senior Android Engineer role at a well-funded, talent-dense start-up building an AI-first platform with genuine international ambition. You'll work closely with the Principal Engineer to design, build, and scale the Android platform, contributing to architecture decisions and feature development as the company scales into new markets. You'll work within a small, senior technical team that includes direct access to the CTO and Senior Leadership. Key Responsibilities Work alongside the Principal Engineer to design and build the Android platform architecture, with an eye on long-term scalabilityOwn feature development from concept through to Play Store launchIntegrate and manage third-party SDKs across the platform, from evaluation through to implementationContribute to performance optimisation as user numbers and real-time data volumes growHelp shape engineering standards, mobile best practice, and code quality as the team growsCollaborate with the Principal Engineer, CTO, and wider engineering team on technical and product directionSupport the move from outsourced delivery towards a world-class in-house engineering capability Must-Have Tech Stack Kotlin & Jetpack ComposeMVVM architectureModular mobile application designREST APIs & real-time data integrationSDK integration — experience implementing and managing third-party SDKsPlay Store releases & mobile CI/CDTrack record of performance optimisation at scale The Company This isn't your average pre-seed start-up. Backed by serious investment and led by a founding team with a genuine track record of scaling businesses before, this is a company with the pedigree and the funding to actually make its international ambitions happen — not just talk about them. Right now they're small and sharp: small team in the UK with a growing team in Malta. London is set to become the long-term home for tech and marketing as they scale. Joining at this stage means getting in early on something built to expand across multiple regulated markets — with the resources, leadership experience, and momentum behind it to actually get there fast. Why This One's Worth a Look Ground-floor start-up energy — this is a pre-seed business with serious backing and even more serious ambition. You're not joining a machine, you're helping build one.Real growth trajectory — international expansion across multiple markets is the plan, not the pitch deck fantasy. Get in now and grow with it.Work shoulder-to-shoulder with a Principal Engineer — sharpen your craft alongside someone who's been there, without losing your own voice on architecture and decisions.Liverpool Street base — right in the middle of one of London's best-connected, most vibrant spots for grabbing coffee and lunchFast-paced, no red tape — decisions happen quickly here, and engineers are trusted to make the call rather than wait for sign-off. Package £80,000 – £110,000, Location London, hybrid What Now? If "genuine ownership" and "build it from scratch, with senior support around you" sound like the right fit — click to apply, or send your CV directly