Senior Developer
Posted Today by Maxwell Bond
£55 Per hour
Outside
Onsite
Liverpool, England, United Kingdom
Summary: The role of Senior Developer focuses on supporting API development and backend delivery for a high-traffic consumer platform, utilizing Node.js and AI-assisted development tools. The position requires extensive experience in backend development and collaboration with front-end engineers to create scalable and secure systems. The contract is initially for 6 months, with a requirement of 3 days a week onsite in Liverpool. The role is classified as outside IR35.
Key Responsibilities:
- Support API development and backend delivery for a high-traffic consumer platform.
- Collaborate with front-end engineers to build scalable, secure, and performant systems.
- Deliver production-ready APIs quickly and independently.
- Design and develop RESTful APIs with extensive production experience in Node.js.
- Optimize database design (SQL and/or NoSQL) and implement security best practices.
- Utilize AI coding tools to enhance development speed and efficiency.
- Make confident technical decisions with minimal guidance.
- Apply caching and optimization techniques for high-traffic environments.
Key Skills:
- Extensive production experience with Node.js.
- Proficient in RESTful API design and development.
- Experience in database design and optimization (SQL and/or NoSQL).
- Knowledge of authentication, authorization, and security best practices.
- Familiarity with AI coding tools (e.g., GitHub Copilot, Claude, Cursor).
- Experience with consumer-facing platforms.
- Understanding of backend performance, scalability, and security.
- Ability to collaborate effectively with front-end developers.
Salary (Rate): £55.00/hr
City: Liverpool
Country: United Kingdom
Working Arrangements: on-site
IR35 Status: outside IR35
Seniority Level: Senior
Industry: IT
Senior 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. *6 months initially, 3 days a week onsite in Liverpool. Outside IR35* Core Technical Requirements: Node.js (extensive production experience) - this is key, you must have extensive experience with Node.JS RESTful API design and development (production experience) Database design and optimization (SQL and/or NoSQL) Authentication, authorization, and security best practices AI coding tools (GitHub Copilot, Claude, Cursor, or similar) 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 Nice to Have: React JS / Next.js (for full stack capability) Payload CMS Azure Microservices architecture