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Green Energy Advice Bureau Logo Green Energy Advice Bureau · IT - Software Development

Junior Full Stack Developer

United Kingdom, Sunderland 30000.00 - 35000.00 GBP / Year · Job Posted April 11, 2026
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Job Description

This position is central to the ongoing development, stability, and modernisation of Phoenix, our internal platform, as well as the integrations that support our wider business operations. This is a hands-on role suited to a developer who enjoys taking ownership from concept through to delivery. You will contribute to architectural decisions, work with legacy systems, and help shape the technical direction of our products in a regulated environment where accuracy and reliability are essential.

Job Responsibility

  • Building, and maintaining backend services using Python
  • Building, and maintaining frontend services using React
  • Building and integrating RESTful APIs, including third-party integrations
  • Contributing to system architecture and technical decision-making
  • Refactoring and modernising legacy codebases in a structured, incremental way
  • Addressing technical debt to improve long-term system quality
  • Ensuring systems meet the standards required in a regulated industry, with a strong focus on accuracy and compliance
  • Collaborating closely with developers, product stakeholders, and wider teams to deliver high-quality solutions

Requirements

  • Strong experience developing backend systems using Python
  • Hands-on experience with cloud platforms, preferably AWS (GCP experience considered)
  • Full stack development experience, with a clear strength on the backend
  • Working knowledge of TypeScript and Node.js
  • Experience building and consuming RESTful APIs
  • Ability to contribute to and influence technical and architectural decisions
  • Comfortable working with and improving legacy codebases
  • Experience managing technical debt
  • Strong sense of ownership, with the ability to manage work independently and see tasks through to completion
  • Experience working in a regulated environment (energy, finance, healthcare, or similar)

Nice to have

  • Familiarity with QA processes, testing strategies, or test automation
  • Experience with Test-Driven Development (TDD)

What we offer

  • Free on-site parking
  • Generous holiday allowance plus bank holidays
  • Professional and Personal Development Scheme
  • Amazing perks including up to £40 off your home broadband
  • A supportive, collaborative team and a phenomenal office culture
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