Node.js Developer

Stealth iT Consulting; Newcastle upon Tyne; Hybrid; GBP 65,000 - 90,000; Full time

Job summary

Stealth iT Consulting in the United Kingdom is seeking an experienced back-end developer to design, build, and maintain scalable Node.js services. You will create RESTful APIs and microservices, ensure security and performance, and collaborate with front-end teams.

The role emphasizes strong testing, CI/CD collaboration with DevOps, and adherence to SOLID principles and data protection standards. Experience with Express.js or NestJS and various databases is essential, with a hybrid working

Qualifications

• Strong commercial experience with Node.js.
• Experience building REST APIs and microservices.
• Familiarity with Docker and containerisation.
• Experience with SQL and NoSQL databases.
• Knowledge of Express.js or NestJS.
• Experience with OAuth2/JWT authentication.
• Experience with Jest or Mocha.
• Experience with Git and collaboration workflows.
• Understanding of SOLID principles and design patterns.
• Experience with CI/CD pipelines.

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.

Tools

Node.js

Express.js

NestJS

REST APIs

Microservices

Docker

Git

Jest

Mocha

OAuth2/JWT

PostgreSQL

MongoDB

DynamoDB

Asynchronous programming

CI/CD

SOLID

Design patterns

Job description

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) - This will be paid for

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.
• Strong commercial experience with Node.js.
• 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.