Node.js Developer - £50,000 - Permanent

Job Title: Node.js Developer
Salary: £50,000 + 25 Days Annual Leave + 5% Pension
Location: Initially in the office 2 days per week in Newcastle (for the first 4 weeks) then fully remote with occasional visits (once a month)
Clearance: BPSS

Key Responsibilities

• Design, develop, and maintain scalable Back End services using Node.js.
• Build and consume RESTful APIs and microservices.
• Develop secure, performant, and maintainable applications following best practices.
• Collaborate with Front End developers to integrate user-facing components.
• Participate in Agile ceremonies including sprint planning, stand-ups, reviews, and retrospectives.
• Write clean, reusable, and well-tested code.
• Create unit, integration, and end-to-end tests.
• Work closely with DevOps teams to support CI/CD pipelines.
• Contribute to technical design discussions and architecture decisions.
• Troubleshoot production issues and implement performance improvements.
• Ensure solutions comply with government security, accessibility, and data protection standards.

Essential Skills

• Strong commercial experience with Node.js.
• Proficiency in JavaScript (ES6+) and/or TypeScript.
• Experience building REST APIs and microservices.
• Knowledge of Express.js or NestJS.
• Experience with asynchronous programming and event-driven architecture.
• Strong understanding of authentication and authorization (OAuth2, JWT).
• Experience with SQL and NoSQL databases such as PostgreSQL, MongoDB, or DynamoDB.
• Familiarity with Docker and containerisation.
• Experience using Git and collaborative development workflows.
• Strong understanding of software engineering best practices, including SOLID principles and design patterns.
• Experience writing automated tests using Jest, Mocha, or similar frameworks.