Senior Software Engineer

Senior Full Stack Engineer

Remote (UK) | Full time

London office available for optional in person collaboration

We're looking for an experienced Senior Full Stack Engineer to join a small, highly skilled team building a next generation Financial Services Regulatory Compliance platform.

This is a hands on role where you'll work across the stack, leading frontend development with React and Next.js while also contributing to a Python (FastAPI) backend that powers AI driven insights and data heavy systems.

You'll have real ownership, influence technical direction, and help shape a platform used to simplify complex regulatory information.

What you'll be doing

• Leading the development of responsive, high performance frontend features using React and Next.js
• Working closely with product, design, and data teams to create intuitive user experiences
• Building and maintaining scalable APIs and backend services in Python using FastAPI
• Contributing to architectural decisions as the platform evolves and transitions from Azure to GCP
• Ensuring strong integration between frontend and backend with a focus on performance and maintainability
• Taking ownership of features from design through to deployment

What we're looking for

• Strong experience building production ready applications with React and Next.js
• Confident use of JavaScript and TypeScript, with a focus on performance and modern React patterns
• Proven experience developing APIs or backend services with Python and FastAPI
• Comfortable working across the full stack and switching between frontend and backend problem solving
• Experience with MongoDB, Redis, and cloud platforms such as Azure, GCP, or AWS
• Experience working with data heavy or AI driven products is a bonus
• A proactive engineer who enjoys working in a small, fast moving team

Tech stack

• Frontend: React, Next.js, TypeScript, Tailwind CSS
• Backend: Python (FastAPI)
• Database: MongoDB
• Caching & queueing: Redis
• Cloud: Azure (transitioning to GCP, AWS possible in future)

What you'll get

• Flexible remote working with optional access to a London office
• The chance to work on a technically challenging, AI powered platform with real world impact
• A collaborative environment with low bureaucracy and genuine ownership over your work