Senior Full Stack Developer

Role: Senior Full-Stack Developer Location: London (Hybrid) Industry: FinTech Startup Employment Type: Full-time About the Company We''re recruiting for a fast-growing fintech startup building modern financial products that simplify how businesses and consumers manage money. Their team combines deep technical expertise with a product-first mindset to deliver scalable, secure, and user-friendly solutions in a highly regulated environment. They are looking for a Senior Full-Stack Developer to play a key role in designing, building, and scaling our core platform as we continue to grow. The Role As a Senior Full-Stack Developer, you will work across the entire technology stack to deliver high-quality applications and services. You ll collaborate closely with product, design, and engineering teams to shape architecture decisions, improve developer experience, and deliver customer-facing features at pace. This is a hands-on role suited to someone who enjoys ownership, solving complex technical problems, and working in a fast-moving startup environment. Key Responsibilities Design, build, and maintain scalable web applications using TypeScript, React, Node.js, and MongoDB Develop clean, maintainable, and well-tested frontend and backend code Build and optimise RESTful APIs and micro services Collaborate with product managers and designers to deliver intuitive user experiences Improve application performance, reliability, and security Participate in architecture ..... full job details .....