Full Stack Engineer

Leading UK Fintech Scale-Up | Full Stack Engineer | London | £55-75K

About the Company:

Our partner, a leading UK fintech scale-up, is revolutionising the credit data market as the first real-time credit bureau. They are on a mission to power better lending with accurate, real-time credit information and analytics through modern, API-first solutions. Their innovative platform enhances decision-making for lender partners, contributing to a more efficient and equitable financial ecosystem. They are now expanding their small, collaborative team and looking for a talented Full Stack Engineer to join them in London.

About the Role:

They are seeking a product-minded Full Stack Engineer to play a pivotal role in building and scaling their B2B SaaS experience for lender partners. This hybrid position requires a strong blend of frontend and backend expertise, with a practical 50/50 split focused on developing user interfaces with Svelte and robust backend services with Go. This is an exciting opportunity for an engineer who thrives on ownership, possesses a pragmatic approach to problem-solving, and enjoys collaborating closely within a fast-paced, high-impact environment. You will contribute directly to a platform that is transforming financial services at scale.

Responsibilities:

• Develop and maintain highly performant B2B SaaS features using TypeScript and Svelte for the frontend.
• Design, build, and optimise scalable backend services using Go.
• Collaborate closely with product managers and designers to translate user needs into technical specifications.
• Take ownership of features from conception through to deployment and monitoring.
• Contribute to architectural discussions and decisions for evolving platform capabilities.
• Ensure code quality, testability, and maintainability through best practices.
• Actively participate in a small, cross-functional engineering team environment.

Requirements:

• Strong commercial software engineering experience with TypeScript.
• Proficiency in Go, or a strong aptitude and eagerness to become productive quickly.
• Experience with a modern frontend framework like Svelte (or React/Vue with a willingness to learn Svelte).
• Demonstrated product mindset and a focus on user experience.
• Collaborative, communicative, and effective working with thin specifications.
• Enthusiasm for leveraging AI coding assistants and modern development tooling.
• Ability to work 2 days per week from the London office (typically Tuesday & Wednesday).

Compensation and benefits:

• Competitive salary ranging from £55,000 to £65,000, flexible up to £75,000 for exceptional candidates.
• Significant ownership and impact within a rapidly growing fintech scale-up.
• Hybrid working model with 2 days in the London office.
• Opportunity to innovate in the UK credit data market with real-time solutions.
• Exposure to cutting-edge cloud infrastructure and distributed systems.
• Work within a collaborative and supportive small engineering team.
• Continuous learning and professional development opportunities.