AI Assisted Software Developer

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

Job summary

Square One Resources is seeking an AI Assisted Software Developer to design, build, and evolve products from concept to production. You will contribute across the technology stack with a strong focus on backend engineering and APIs, working closely with product, design, and QA to deliver high-quality solutions.

The role requires hands-on coding in Java or similar OO languages, participation in architectural decisions, and mentoring colleagues while embracing AI-assisted development and

Qualifications

• Strong backend engineering experience with OO languages
• Experience delivering backend/frontend solutions
• Demonstrated technical leadership and mentoring
• Quality-first mindset with automated testing and maintainable design

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 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 experience

Technical leadership

Automated testing

Code reviews

AI-assisted development

Spec-driven development

Communication

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:01/10/2026
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 Java to 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.