Senior Software Engineer (Full Stack – Java) — SC Cleared

Company: Areti Group | B Corp™
Apply for the Senior Software Engineer (Full Stack – Java) — SC Cleared
Location: Cheltenham
Job Description:

My client is a specialist software consultancy delivering bespoke solutions to solve complex operational problems for Central Government customers. As their team grows, they’re looking for an experienced Full Stack Engineer to join a live delivery team working on mission-critical systems used by government caseworkers and citizens.

The role

You’ll work full lifecycle — from requirements and architecture through to delivery, support, and maintenance — on a Java, TypeScript and React stack, deployed across AWS and Azure. You’ll be based out of one of the client’s UK offices (choose your own office/home balance under their hybrid policy), with roughly fortnightly in-person time with the end client.

Depending on experience, there’s real scope to grow into technical leadership — owning architecture decisions, mentoring engineers, and managing client relationships directly.

What you’ll be doing

  • Designing, building, and testing full-stack solutions using Java (backend) and React/TypeScript (frontend)
  • Building and maintaining CI pipelines in GitLab, with a strong focus on code quality and security
  • Deploying and operating systems across AWS and Azure
  • Working directly with government stakeholders to translate operational needs into technical solutions
  • Depending on seniority: leading design decisions, mentoring junior engineers, and owning client relationships

What we’re looking for

  • Comfortable working across both AWS and Azure
  • Consultancy background is a plus but not essential — they care more about your delivery track record
  • Genuinely enjoy working directly with clients and translating ambiguous requirements into shipped software

Security clearance — please read before applying

This role requires active SC clearance or eligible to obtain. Please only apply if you are eligible (British passport holder with 5 years of continuous UK residency) and willing to undergo vetting.

  • Flexitime and a genuinely flexible hybrid policy — no mandated office days beyond client visits
  • A dedicated Career Coach, not just a line manager, focused on your development
  • Regular socials, an annual summer party in London, and company away days
  • Onsite lunch and drinks allowances

My client is proud to be an equal opportunities and Disability Confident employer, committed to reasonable adjustments throughout recruitment.

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Posted: September 25th, 2026