Senior Software Engineer

Company: Harrington Starr
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This range is provided by Harrington Starr. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

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Associate Vice President @ Harrington Starr

Senior Software Engineer – Fully Remote (UK-Based)

Revolutionize Fintech with a High-Growth Start-up

The Company

Join a cutting-edge fintech start-up that’s transforming the industry. With a product already used by multiple clients worldwide, they’re now expanding their core engineering team over the next 12 months. This is a chance to work on innovative solutions in a fast-moving environment, alongside some of the brightest minds in the field.

Top-tier salaries & benefits to attract the best talent in the UK.

What’s in It for You?

  • Competitive salary – Up to £110,000 basic
  • Equity stake in the business
  • Fully remote working (UK-based)
  • Excellent holidays, increasing with service
  • Private medical scheme & pension
  • A chance to work alongside top-tier engineers in a high-performance environment

What You’ll Do

  • Lead new feature development from concept to production
  • Design and build low-latency, high-performance systems
  • Maintain and improve existing services while introducing new functionality
  • Troubleshoot and resolve production issues
  • Enhance development and operations processes
  • Contribute to architecture and system design
  • Participate in an out-of-hours support rotation

What You’ll Need

  • Expertise in C# / .NET (or a willingness to cross-train from Java)
  • Experience with Test-Driven Development (TDD)
  • Background in high-performance, low-latency applications
  • Industry experience in finance or other mission-critical sectors
  • Strong understanding of complex data structures, concurrency, and garbage collectors
  • Ability to work independently and collaboratively
  • UK right to work (no sponsorship available)

Find Out More

For a confidential conversation about this opportunity (or similar roles in fintech), contact Con Lam at Harrington Starr:

Apply below or connect on LinkedIn.

Seniority level

Mid-Senior level

Employment type

Full-time

Job function

Information Technology

Industries

Financial Services and Investment Banking

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Posted: March 16th, 2025