Senior Java Software Engineer

Burns Sheehan; Greater London; On-site; GBP 54,000 - 90,000; Full time

Benefits offered by this job

Fully remote in the UK

Every other Friday off (9/80)

High-spec home office equipment

Ownership and AI-driven engineering

Job summary

Burns Sheehan is partnering with a UK-based SaaS business to hire a Senior Software Engineer. You will own backend development within a small, experienced team, shaping design decisions and contributing across the stack.

You'll build scalable Java/Spring Boot backends, work with AWS/React/SQL, and leverage AI-assisted tooling to drive modern, cloud-native solutions across an established platform.

Qualifications

• Strong commercial experience with Java & Spring Boot.
• Experience building scalable APIs and cloud-based applications.
• Solid SQL and AWS knowledge.
• Comfortable working across the stack, including React.
• Passion for clean code, modern engineering practices and continuous improvement.

Responsibilities

• Take ownership of backend development and contribute across the full stack.
• Collaborate with CTO and engineers to modernise the SaaS platform.

Skills

Java

Spring Boot

AWS

React

SQL

REST APIs

Tools

Claude AI

Job description

Senior Software Engineer | Java | Spring Boot | AWS

Are you a Senior Software Engineer who enjoys building scalable products, solving complex technical challenges and working with modern AI-powered development tools?

I'm partnering with an established, profitable SaaS business that's entering an exciting new phase of growth. With thousands of customers already using their platform, they're investing heavily in AI-driven capabilities and are looking for an experienced engineer to help shape what's next.

What you'll be doing

You’ll play a key role in a small, highly experienced engineering team, taking ownership of backend development while contributing across the full stack when needed.

You’ll be working with:

• AWS
• React
• SQL
• REST APIs
• AI-assisted development tools (Claude)

This is a role where you'll have genuine ownership, influence technical decisions, work closely with the CTO and help modernise an established SaaS platform.

What we're looking for

• Strong commercial experience with Java & Spring Boot
• Experience building scalable APIs and cloud-based applications
• Solid SQL and AWS knowledge
• Comfortable working across the stack, including React
• Passion for clean code, modern engineering practices and continuous improvement

What's on offer?

• Up to £90,000 salary
• Fully remote within the UK
• Every other Friday off (9/80 working pattern)
• High-spec home office equipment
• Real ownership, technical influence and the opportunity to help shape an AI-first engineering culture.

If you're looking for a role where your ideas are valued and your work will have genuine impact, I'd love to tell you more.