We're looking for a highly experienced Senior Backend / Full Stack Engineer to join a growing engineering team building and evolving a complex, production-grade fintech platform.
This is a hands-on role where you'll contribute from day one-designing architecture, building scalable systems, and delivering high-quality features across a modern full stack. You'll play a key part in shaping a platform that powers onboarding, payments, and compliance workflows across multiple markets.
What You'll Be Doing
Backend & Full Stack Development
- Develop and enhance features within a NestJS / TypeScript backend
- Design and implement scalable, secure RESTful APIs
- Work with relational databases (PostgreSQL/MySQL) and optimise performance
- Contribute to frontend features where appropriate (React Native)
Architecture & Engineering Excellence
- Collaborate on system architecture and promote clean, modular design
- Write high-quality, well-tested code (unit, integration, e2e) using Jest
- Maintain CI/CD pipelines and Docker-based environments
- Uphold best practices in code quality, testing, and performance
Integrations & Compliance
- Build and maintain integrations with payment providers, identity verification, and open banking platforms
- Work within regulated environments, supporting KYC/AML workflows
- Handle event-driven systems, webhooks, and idempotent processing
Collaboration & Leadership
- Work closely with product, design, and QA teams to deliver reliable releases
- Contribute to documentation and technical decision-making
- Mentor and support other engineers
Tech Stack
- Backend: TypeScript, Node.js, NestJS
- Frontend: React Native, Redux
- Data: TypeORM, PostgreSQL / MySQL
- Cloud & DevOps: AWS (Cognito), Docker, GitLab CI/CD
- Testing & Docs: Jest, Swagger/OpenAPI
- Integrations: Payments, Open Banking, Identity/KYC services
What We're Looking For
Essential Skills
- 10+ years in software engineering
- Strong expertise in TypeScript and Node.js
- Proven experience with NestJS and RESTful API design
- Deep understanding of relational databases and ORM tools
- Experience with authentication (JWT, identity providers such as Cognito)
- Strong testing mindset with experience using Jest
- Confidence working with Docker and CI/CD pipelines
If you are a skilled Senior Backend Engineer with a passion for fintech, we would love to hear from you. Apply now to join our client's forward-thinking and dynamic team.