Backend-First Full Stack Engineer (6-Month Contract)

ARM; Cambridge; On-site; GBP 60,000 - 78,000; Full time

Job summary

ARM is seeking a skilled Full Stack Software Engineer (6-month fixed term) to join the Portfolio Team in the UK. The role centers on backend development, system architecture and code quality, with a strong emphasis on Node.js and TypeScript.

You will work on scalable services, RESTful APIs and AI-assisted development tooling, with collaboration across frontend and product teams. The successful candidate will review AI-generated code, contribute to architectural decisions and help advance

Qualifications

• Strong proficiency in Node.js with TypeScript and modern JavaScript (ES6+).
• Experience designing RESTful APIs and backend services.
• Understanding of clean code and scalable architecture.
• Experience reviewing AI-generated code.
• Familiarity with AI-assisted software development tools.

Responsibilities

• Design, develop and maintain scalable backend services using Node.js, TypeScript and Express.js.
• Design and implement RESTful APIs and service integrations.
• Develop maintainable, well-tested and performant code following engineering best practices.
• Design data models and work with relational and NoSQL databases.
• Improve application reliability, observability and performance through monitoring and logging.

Skills

Node.js

TypeScript

RESTful APIs

Backend systems

Distributed systems

AI-assisted tools

Tools

Express.js

Job description

ARM is seeking a skilled Full Stack Software Engineer (6-month fixed term) to join the Portfolio Team in the UK. The role centers on backend development, system architecture and code quality, with a strong emphasis on Node.js and TypeScript.

You will work on scalable services, RESTful APIs and AI-assisted development tooling, with collaboration across frontend and product teams. The successful candidate will review AI-generated code, contribute to architectural decisions and help advance