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Job Description

Senior Backend Engineer (strong Java, SQL, AWS)

Manchester (Hybrid – 3 days in office)

£110,000 + 8% annual bonus + equity options

Must be eligible for NPPV3 clearance (UK typically 3+ years) - please apply only if you meet this criterion

About the Role

We’re partnering with a fast-growing public safety SaaS organisation that’s building its UK engineering presence from the ground up. This is one of the first senior technical hires in the UK, and it's a pivotal role in shaping architecture, influencing engineering culture, and driving future growth. As the UK team scales, this position offers a clear path to more responsibilities, whether that’s stepping into a Tech Lead role to own technical direction and mentor engineers, or moving into People Management to help build and lead a high-performing team.

You’ll work on scaling distributed systems and integrating with external providers, all within a modern, agile environment that values autonomy and innovation.

What You’ll Do

Own backend development across Java, SQL, AWS stack

Design and enhance interfaces, frameworks, and infrastructure pipelines

Deliver API integrations and solve scaling challenges

Tackle brownfield development and legacy plumbing while driving modernisation

Collaborate with US-based leadership and UK peers to ensure platform scalability

What We’re Looking For

8+ years’ experience in software engineering, ideally in SaaS or large-scale environments

Strong Java backend expertise ; SQL and AWS proficiency

Experience with AI-assisted development tools like Cursor and Claude Code

Experience with scaling systems and solving growth-related problems

Familiarity with Agile delivery and impact-driven development

React knowledge is a plus (not essential)

Ability to articulate impact and outcomes in your work

Security Eligibility - you must be eligible for NPPV3 clearance , which involves:

Detailed security questionnaire

Criminal record checks (spent & unspent)

Credit and financial history checks

MI5 records checks

UK (typically 3+ years; often combined with SC requiring 5 years)

If you are interested in applying for this job please press the Apply Button and follow the application process. Energy Jobline wishes you the very best of luck in your next career move.