Snior Node.JS Developer

Job Description

Senior Developer (Node.

JS)

Hybrid - Occasional travel to Newcastle

6 months, Inside IR35. £550 per day

We are seeking an experienced Contract Senior Software Engineer to join a fast-paced Agile delivery team working on critical citizen and staff-facing public services.

In this role, you will provide hands-on Node.js expertise, technical leadership, and guidance to delivery teams, ensuring outcomes align with modern software engineering best practices. You will be responsible for designing, building, and maintaining robust, scalable, and operationally stable products that impact millions of users.

Key Responsibilities

• Hands-on Development: Deliver high-quality, clean, and maintainable Node.js code within an Agile environment.
• Technical Leadership: Provide guidance and mentorship to less experienced engineers while championing engineering best practices.
• Resilience and Scalability: Take ownership of the operational stability, performance, and scalability of the services you build.
• DevOps and Automation: Embed strong automated testing (TDD) and CI/CD principles across the delivery pipeline.
• Agile Collaboration: Actively participate in Agile ceremonies (refinement, estimation, planning, and reviews), collaborating closely with Delivery Managers, BAs, Architects, and QA.

Skills and Experience Required: Core Technical Stack

Core Technical Stack

• Backend: Strong Node.js development experience (including frameworks like Express) and NPM package management.
• Testing: Deep understanding of Test Driven Development (TDD) and common testing frameworks (eg, Jest, Mocha, Chai).
• Data: Practical experience with Relational or NoSQL databases (eg, PostgreSQL, MySQL, MongoDB, DynamoDB).
• Version Control: Git and experience with distributed version control workflows.
• DevOps and Infrastructure: Experience with CI/CD tooling (eg, GitLab CI, GitHub Actions, Jenkins) and containerisation (Docker).

Desirable

• Microservices and Event-Driven Architecture (eg, Kafka, SNS/SQS, EventBridge).
• Cloud platforms, with a strong preference for AWS.
• Commercial experience with TypeScript.
• Familiarity with Node.js performance tuning and observability tools (eg, OpenTelemetry).
• Familiarity with Kubernetes.

To Apply

If you are a seasoned contractor with strong public sector alignment and a deep love for clean Node.js architecture, please submit your CV and availability for immediate consideration. You must be SC eligible and a British National.