Hiring: Full Stack Software Engineer (Node.js & React Native) Victoria, London | Full-time | 4 days in office, 1 WFH Mid-Level (3–5 years’ experience) A fast-growing fintech is looking for a Mid-Level Full Stack Engineer to join their collaborative London-based team. This business powers co-branded card programmes for leading global travel and hospitality brands such as Marriott International and Hilton, delivering seamless payments and embedded loyalty solutions that enhance customer engagement and unlock new revenue streams. The Role You’ll play a key part in building and scaling a modern fintech platform, working across: Backend: Node.js (API development & scalable services) Frontend: React Native (iOS & Android apps) Database: MongoDB CI/CD, Git, and clean coding best practices You’ll collaborate closely with Product, Marketing, and Operations to ship new features, resolve customer issues, and continuously improve performance and code quality. ✅ What They’re Looking For 3–5 years’ software engineering experience Strong Node.js backend expertise Proven experience building & deploying React Native apps Solid MongoDB knowledge Detail-oriented, proactive problem-solver Comfortable in a fast-paced, agile environment If you enjoy writing clean, maintainable code and want to make a real impact in a scaling fintech — this could be a great next step.