Full-time

Senior Software Engineer (Contract)

Posted by Digital Waffle • , , United Kingdom, , , United Kingdom, United-Kingdom

📍 , , United Kingdom, , , United Kingdom 🕒 February 28, 2026

About the Role

Role: Senior Software Engineer (Contract)

Location: Fully Remote (UK)

We’re looking for an experienced Senior Software Engineer (Contract) to join on an interim basis and drive performance improvements across our applications and infrastructure. You’ll be responsible for identifying bottlenecks, putting the right telemetry in place, and helping our teams deliver a faster, more reliable experience for customers at scale.

Key Must Have Skills

  • DOM performance
  • MS SQL Server, query optimisation, and indexing strategies
  • K6 , Playwright , AppInsights
  • Azure DevOps - CI/CD pipelines and observability tooling

What you’ll be doing

  • Backend performance: Analyse .NET applications for efficiency, memory usage, and concurrency, implementing improvements where needed.
  • Database tuning: Optimise SQL queries, indexes, and overall database p...

Ready to Apply?

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