Senior Full Stack Engineer – Subscription Platform (Java/React)
£500/day PAYE – Fully Remote – UK Applicants Only
We’re hiring a Senior Full Stack Engineer to join a fast-paced product engineering team working on one of the most high-impact parts of a global consumer platform — converting users from free to paid subscriptions.
This team owns the core surfaces that showcase the value of paid plans, tailoring the experience across devices, regions, and user profiles. Your work will directly influence growth, revenue, and user satisfaction by helping millions of users understand and act on the benefits of premium features.
What You’ll Be Doing
* Build and maintain Java-based backend services and APIs used across mobile and web platforms
* Develop high-quality, personalised front-end experiences using React and Next.js
* Collaborate with teams across the business to support new product offerings and regional requirements
* Design scalable backend systems that integrate with complex internal APIs and user flows
* Take part in product launches, A/B testing initiatives, and cross-functional delivery work
What We’re Looking For
* 5+ years of experience as a fullstack engineer working across both frontend and backend systems
* Strong Java and gRPC skills with experience deploying to cloud-native environments (GCP preferred)
* Proven experience building front-end web applications with React and Next.js
* Strong fundamentals in system design, data structures, and API architecture
* A collaborative mindset and the ability to thrive in a fast-moving, cross-functional environment
Key Details
* Rate: £500/day (PAYE)
* Location: Fully remote (UK-based only)
* Eligibility: You must be a UK tax resident and have full right to work in the UK