AI Assisted Java Developer

Square One Resources; Leeds; On-site; GBP 66,000 - 111,000; Full time

Job summary

Square One Resources is looking for an AI Assisted Software Developer to join their team in Leeds, working on-site on Tuesdays and Thursdays for an initial 3-month contract with potential extension and a path to permanent employment.

The role focuses on backend development with Java and OO languages, designing features across the stack and APIs, and collaborating with product, design and QA to deliver high-quality solutions.

Qualifications

• Strong backend engineering experience.
• Java is preferred, with strong experience in comparable OO languages.
• Experience delivering solutions that span backend and frontend technologies.
• Demonstrated technical leadership through influencing engineering decisions and driving initiatives.
• Quality-first mindset with automated testing and maintainable software design.
• Strong problem-solving, communication, and collaboration skills.
• Openness to 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.

Skills

Backend engineering

Java

OO programming

API design

Technical leadership

Collaboration

Tools

Git

CI/CD

Job description

Job Title:AI Assisted Software Developer
Location: Leeds 2x a week - Tuesdays and Thursdays
Salary/Rate: Up to £600 daily Inside IR35
Start Date:12/10/2026
Job Type: Initial 3 month contract with likelihood of extension and to be converted to perm

*Candidates applying must be able to work on site to Leeds every Tuesday and Thursday.

Company Introduction
We have an exciting opportunity now available with one of our enterprise data analytics clients. They are currently looking for a skilled AI Assisted Software Developer with extensive spec-driven development and ideally a background in Javato join their team for an initial 3 month contract.

We're looking for a Software Engineer to help design, build, and evolve products from concept to production. You'll contribute across the technology stack with a strong focus on backend engineering, working closely with product, design, and QA to deliver high-quality solutions that solve real user problems.

Job 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.

Essential:

• 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.