Senior Java Software Engineer

, england, united kingdom, england, United-Kingdom • Posted May 27, 2026

Job Type: Full-time
Location: , england, united kingdom, england
Posted: May 27, 2026
Category: IT & Technology
Application Deadline: July 06, 2026

Role Description

We are working with a business who are rebuilding their core platform from the ground up and are looking for a Senior Java engineer who’s up for a real challenge.

Their system was originally built externally, and they've now brought it fully in-house. So, your mission is to get under the hood, untangle what’s there, and help them fix problems within teh code — cleaner, faster, and built to scale. Someone with a forensic mind who is then able to get on with the fix.

What You’ll Be Doing

  • Own the project entirely, end to end
  • Work across the stack using Java, React, AWS, MongoDB, and Elasticsearch.
  • Refactor and re-engineer core components
  • Collaborate closely with product and architecture teams.
  • Fix existing problems without rearchitecting and redesigning
  • You will be comfortable digging into existing codebase, breaking down and tracing the problem
  • Form and construct and then reverse engineer th...

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