Senior Full Stack Engineer
Summary
Senior full stack engineer building a greenfield, next-generation trading platform for a global fintech in collaboration with AWS. Owns the full lifecycle — design, coding, testing, deployment — using TypeScript/React, Node.js/Java/C# backends, AWS serverless, Terraform and CI/CD, plus mentoring juniors. London, 3 days/week in office.
Senior Full Stack Engineer - TypeScript / React / AWS
London 3 days in Office per week | Permanent | Up to £100k base + Bonuses!
We're partnering with a leading global financial technology business to hire a Senior Full Stack Engineer for an exciting greenfield project, building a next-generation trading platform in collaboration with AWS.
This is a fantastic opportunity to work with cutting-edge technology, influence architectural decisions and help deliver scalable solutions used across global financial markets.
The Role
You'll take ownership of the full development lifecycle, from design and coding through to testing and deployment. Working alongside experienced engineers and architects, you'll drive technical improvements, contribute to platform design and mentor junior developers.
Key Requirements
- Strong commercial experience with TypeScript and React.
- Backend development experience with Node.js, Java or C#.
- Hands-on AWS experience (Lambda, Fargate, API Gateway or AppSync).
- Knowledge of microservices, event-driven architecture and messaging technologies.
- Experience with REST APIs, GraphQL, SQL/NoSQL and Terraform.
- Strong understanding of automated testing, CI/CD and containerisation.
- Comfortable working in Agile teams and delivering production-grade software.
Desirable:
C#/.NET 8+, financial markets knowledge, OTC products or low-latency systems experience.
Why Join?
- Work on a greenfield, next-generation technology platform.
- Collaborate directly with AWS specialists and experienced architects.
- Influence technical direction and engineering best practices.
- Join a collaborative team with opportunities to mentor and grow.
If you're a hands-on engineer looking to work with modern cloud technologies and make a real impact, we'd love to hear from you.
