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Senior Software Engineer

Remote / Online - Candidates ideally in
Carrickfergus, County Antrim, BT38, Northern Ireland, UK
Listing for: Harrington Starr
Remote/Work from Home position
Listed on 2026-07-07
Job specializations:
  • Software Development
    Software Engineer, Backend Developer, Full Stack Developer, Cloud Engineer - Software
Salary/Wage Range or Industry Benchmark: 110000 GBP Yearly GBP 110000.00 YEAR
Job Description & How to Apply Below

United Kingdom Full Remote:
Perm Role

Harrington Starr has partnered with an innovative start up Fin Tech who specialise in providing market access and data from their ultra low-latency platform to financial service firms, leading exchanges and single dealers across digital assets, FIX and more.

They are looking to hire a Senior C#, .NET Engineer with strong experience in start-up/ scale up firms, able to take ownership of developing new applications, adding features to existing systems and contributing to the growth and success of the companies core products.

Key Requirements:
  • Extensive C#, .NET development experience (5+ years)
  • Strong experience developing highly scalable, low-latency applications
  • Good hands on development experience with cloud based, microservice architecture (Docker, Kubernetes)
  • Extensive experience with TDD and Event Driven Development.
  • Independent self starter, confident with taking ownership of developing greenfield applications
  • Strong collaborator and communicator
  • 2:1 in BSc Computer Science or related Mathematics based degree
  • Excellent base salary up to £110,000 based on experience
  • Fully remote working model
  • Involvement with a very exciting Fin Tech with huge plans for growth and opportunities to build greenfield applications and add features to their existing products
  • Interaction with key internal stakeholders (C‑Suite)

If you would like to book in a confidential phone call to discuss this opportunity in further detail, please apply below or send through a copy of your up-to-date CV via email to ol

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Position Requirements
10+ Years work experience
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