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Full Stack JavaScript Developer

  • Location:

    Newcastle upon Tyne

  • Sector:

    Front End & Web Development

  • Job Type:


  • Salary:


  • Contact:

    Freya Chemoun

  • Contact Email:

  • Salary high:


  • Salary low:


  • Job Ref:


  • Published:

    13 days ago

  • Duration:

    6 months

  • Expiry date:


  • Start Date:


Job Description

This is a remote role, inside IR35, 6 months initially. Have to pass SC clearance (resident of the UK for at least 5 years) and DBS check.

Spectrum IT are looking for a Contract Senior / Full Stack Software Developer to join our clients Greenfield R&D project and to be part of a cross-functional, multi-disciplinary Agile product team. They develop simple but highly effective web applications, and are passionate about writing good quality, highly testable, user-driven software.

The main technologies you will be working on are: React SPAs written in TypeScript and the backend you will be working with NodeJS.

Key responsibilities:

  • Design and develop quality software following best practice (e.g. SOLID principles for object oriented, also use functional programming, DRY, secure against OWASP Top 10, etc.)
  • Work closely across the multi-disciplinary team to ensure the team delivers its commitments
  • Embrace an inspect and adapt mindset to improve the development
  • Promote knowledge sharing across the team and department, ensuring that we work as closely and effectively as possible
  • To ensure full participation in the performance development review (PDR) process


  • Understanding of the full software development lifecycle
  • Experience working in an environment with regular releases and CICD processes
  • Experience developing using JavaScript/TypeScript/ES6+ for front (React) and back-end systems (NodeJS)
  • In-depth knowledge and experience developing with React, HTML, CSS and WCAG accessibility requirements
  • Strong knowledge of relational databases (preferably PostgreSQL) and SQL optimisation
  • Knowledge of containerisation (Docker/Kubernetes)
  • Detailed understanding of REST APIs and associated tools, libraries, and standards (e.g. OpenAPI, JSON Schema, Express, Hapi, Stoplight)
  • Ability to deliver a complex software product from inception to completion, influencing design decisions and technology choices where appropriate


  • Experience developing event-driven systems
  • Experience using message queues (e.g. RabbitMQ, Kafka, ZeroMQ)
  • Experience developing for high availability
  • Knowledge of public cloud (AWS/GCP/ Azure)
  • Experience with other front-end frameworks (e.g. Angular and Vue)
  • Knowledge of other programming languages (C# and Java)