Back End Developer

Senior Backend Developer (Contract, AI-Driven Environment, Node.

JS)

We’re looking for an experienced backend senior developer to support API development and backend delivery for a high-traffic consumer platform. You’ll work alongside front-end engineers to build scalable, secure, and performant systems using modern tools and AI-assisted development.

You’ll be a good fit if you:

* Deliver production-ready APIs fast and independently

* Have proven experience with consumer-facing platforms

* Use AI coding tools (Cursor, Claude Code, Codex, or similar) to speed up development

* Make confident technical decisions with minimal guidance

* Follow clear architectural standards and established development patterns

* Understand backend performance, scalability, and security at production scale

* Build reliable, maintainable APIs and data systems

* Collaborate effectively with front-end developers to design and implement seamless integrations

* Apply caching and optimization techniques for high-traffic environments

We’re not looking for:

* Developers needing extensive supervision or mentoring

* Anyone without production experience in consumer-facing systems

* Those who avoid AI coding tools

Core Technical Requirements:

* Node.js (extensive production experience) - this is key, you must have

* RESTful API design and development (production experience)

* Database design and optimization (SQL and/or No

SQL)

* Authentication, authorization, and security best practices

* AI coding tools (Git Hub Copilot, Claude, Cursor, or similar)

Nice to Have:

* React JS / Next.js (for full stack capability)

* Payload CMS

* Azure

* Microservices architecture

Contract Details:

* North West UK (hybrid)

* Competitive day rate

* Immediate start