Square One Resources

Square One Resources

Leeds, Yorkshire and the Humber

Fullstack Java Developer

Full-Time£40,000 - 70,000 per year前天United Kingdom
IT

Job Description

Salary: £40,000 - 70,000 per year

Requirements:
  • Strong backend engineering experience; Java is preferred, but we welcome engineers with strong experience in comparable object-oriented languages.
  • Experience delivering solutions that span backend and frontend technologies, with a solid understanding of how systems fit together end to end.
  • Demonstrated technical leadership through influencing engineering decisions, driving initiatives, and supporting the success of others.
  • A strong quality-first mindset, including experience with automated testing, code reviews, and maintainable software design.
  • Strong problem-solving, communication, and collaboration skills.
  • Openness to adopting modern engineering practices, including AI-assisted development and spec-driven approaches.
Responsibilities:
  • Design, build, test, and deliver features across the stack, with a strong emphasis on backend services and APIs.
  • Contribute to architectural decisions and technical strategy, helping shape the long-term direction of our products and platforms.
  • Leverage AI-assisted development tools and spec-driven engineering practices to improve productivity, code quality, and delivery effectiveness.
  • Champion engineering excellence through automated testing, code reviews, observability, maintainability, and continuous improvement.
  • Collaborate closely with product managers, designers, QA engineers, and fellow developers to solve complex customer problems.
  • Support and mentor other engineers through knowledge sharing, technical guidance, and constructive feedback.
  • Participate in the continuous improvement of engineering processes, tooling, and delivery practices.
Technologies:
  • AI
  • Backend
  • Frontend
  • Support
  • Java
  • Fullstack

More:

We have an exciting opportunity with one of our enterprise data analytics clients for an initial 2 month contract, with a likelihood of extension and conversion to permanent. The role is based in Leeds and requires onsite work every Tuesday and Thursday. The salary/rate is up to £600 daily inside IR35, and the start date is within the next two weeks. We are looking for a Software Engineer to help design, build, and evolve products from concept to production, working closely with product, design, and QA to deliver high-quality solutions that solve real user problems.

last updated 37 week of 2026

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About Square One Resources

Square One Resources

Square One Resources

Leeds

IT

Skills & Technologies

JavaAIUI

Inferred from job description

Salary Insight

£55,000

This role

£55,000

UK median

This salary is 0% above the UK median for Developers55,000/yr).

Based on 2024–2025 UK technology sector benchmarks

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