AI-Driven Backend Engineer (Java) - Onsite Leeds Tue/Thu

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

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