Back End Developer

Lead 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.

Contract: 6‑month, fully remote contract. Outside IR35.

• 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

• Developers needing extensive supervision or mentoring
• Anyone without production experience in consumer‑facing systems
• Those who avoid AI coding tools

• Node.js (extensive production experience) – this is key, you must have
• RESTful API design and development (production experience)
• Database design and optimisation (SQL and/or No
  
  SQL)
• Authentication, authorization, and security best practices
• AI coding tools (Git Hub Copilot, Claude, Cursor, or similar)

• React JS / Next.js (for full stack capability)
• Payload CMS
• Azure
• Microservices architecture