Senior Full Stack Engineer

Senior Full Stack Software Engineer £100,000–£110,000 + benefits UK-based | Hybrid – London 2 days per week Certus Recruitment is working with an ambitious UK fintech building a regulated stablecoin and digital payments platform. We are looking for a Senior Software Engineer to join at an early stage and help build the application, financial infrastructure and settlement technology behind the platform. This is a highly hands-on role, working closely with the Head of Engineering across back-end services, core systems and customer-facing applications. The role You will work across: Back-end services and transaction workflowsFinancial transaction and settlement systemsCompliance and authorisation logicDatabase design and transactional integrityAPIs, event-driven architecture and shared schemasCustomer-facing and internal applicationsBlockchain and on-chain settlement integrationYou’ll be turning architecture and design documentation into robust, tested and production-ready software. What we're looking for 5+ years' professional software engineering experienceStrong back-end engineering experienceExperience taking systems from prototype through to productionStrong TypeScript and PostgreSQL/SQL skillsExperience with strongly typed languagesRust experience is highly desirable, or a strong systems background with the ability to learn quicklyExperience with event-driven and transactional systemsStrong written communication and a design-led approachCollaborative, hands-on and comfortable taking ownershipExperience in fintech, payments, banking, custody or financial infrastructure would be advantageous. Blockchain or stablecoin experience isn't essential, but you'll need an interest in developing your knowledge of on-chain systems. The opportunity Join at a genuinely formative stage and help build the technology behind a new regulated digital currency platform. You'll have significant ownership across the stack, working on systems that will ultimately move from sandbox to regulated production. £100,000–£110,000 + benefits UK-based | Hybrid – London 2 days per week Interested? Apply directly or contact Certus Recruitment for a confidential discussion.