Job Description

We're partnered with a fast-growing London-based startup who are looking for a Mid-Level Backend Engineer to help scale a high-traffic platform at pace. This role is ideal for a Node.js developer who wants real ownership, rapid delivery, and the chance to grow quickly in a startup environment.
They've recently onboarded new clients and with huge growth plans for 2026, this is a great opportunity to join a fast growing business!
You'll work across a wide range of backend projects - building new platform features, developing third-party integrations, and creating APIs that power customer-facing applications. As part of a small, collaborative team, you'll make meaningful contributions from day one, own significant areas of the product, and see your work shipped quickly.
What You'll Be Doing

• Build and maintain backend services and APIs using Node.js
• Develop new features across internal tools and customer-facing products
• Design and implement integrations with third-party and partner systems
• Write clean, well-tested, maintainable code
• Design database schemas, optimise queries, and ensure data integrity
• Collaborate closely with frontend engineers and other stakeholders
• Troubleshoot and resolve production issues with a focus on reliability
• Contribute ideas to improve systems, architecture, and processes

What We're Looking For

• 3-5 years of professional backend engineering experience
• Strong experience with Node.js and TypeScript
• Proven experience building RESTful APIs and/or GraphQL
• Solid knowledge of relational databases (PostgreSQL preferred)
• Experience writing unit and integration tests
• Comfortable working with Git and collaborative workflows
• Strong problem-solving and communication skills
• Ownership mindset - able to take projects from idea to production
• Comfortable working in a fast-moving, sometimes ambiguous environment

This is a great opportunity to join a growing business and if you'd like to find out more about the role, please reach out to me on charlotte@burnssheehan.co.uk
Burns Sheehan Ltd will consider applications based only on skills and ability and will not discriminate on any grounds.

Skills Required