Overview

Location: City Of London, England, United Kingdom

We are seeking an experienced Backend Developer to design, develop, and maintain scalable backend services and REST APIs using Python and Node.js. You will work closely with product, front-end, and DevOps teams to deliver high-performance, secure, and reliable systems.

Responsibilities

• Build RESTful APIs and microservices using Node.js (Express/NestJS) and/or Python (FastAPI/Django/Flask)
• Design and manage relational and NoSQL databases (PostgreSQL, MongoDB)
• Implement user authentication and authorization (OAuth2, JWT)
• Integrate with 3rd-party APIs and external services
• Optimize system performance and monitor API uptime
• Write unit/integration tests
• Collaborate on DevOps, CI/CD, and deployment workflows

Required Skills

• Strong experience with backend development in Node.js and/or Python
• API design bes...