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Software Development Engineer in Test | C# ​/Python​/Java | Hedge Fund

Job in Greater London, London, Greater London, W1B, England, UK
Listing for: Mondrian Alpha
Full Time position
Listed on 2026-10-16
Job specializations:
  • Software Development
    Software Engineer, DevOps, Software Testing, Python
Salary/Wage Range or Industry Benchmark: 110000 - 160000 GBP Yearly GBP 110000.00 160000.00 YEAR
Job Description & How to Apply Below

A leading global hedge fund is looking to hire an experienced Software Development Engineer in Test / Test Automation Engineer / Software Engineer to join its technology function, working on the development, automation and reliability of its trading platforms and production systems.

This is a highly technical, hands-on engineering opportunity, working closely with Software Engineers, Quant Developers, Quant Researchers, Front Office Technology, Risk and Trading teams to ensure the quality, performance, scalability and reliability of business-critical trading infrastructure.

The successful candidate will take ownership of automated testing, test framework development, software quality engineering and CI/CD integration, helping to deliver complex trading systems into production safely and efficiently.

Key Responsibilities:
  • Design, develop and maintain automated testing frameworks using C#/.NET, Python or Java.
  • Build bespoke test harnesses, testing tools and automation infrastructure for complex software applications.
  • Develop and enhance CI/CD pipelines, automated regression testing and continuous integration processes.
  • Improve software quality, system reliability, production readiness and release automation.
  • Collaborate with Software Developers, Quantitative Developers and Trading Technology teams to identify technical risks and improve engineering standards.
  • Take ownership of testing architecture, automation strategy and engineering improvements across critical trading platforms.
  • Contribute to the development of scalable, maintainable and robust software testing solutions.
Technical Requirements:
  • 7+ years of software engineering or test automation experience, using C#/.NET, Java or Python.
  • Strong understanding of object-oriented programming (OOP), software architecture and software design principles.
  • Hands-on experience developing test automation frameworks, test harnesses and automated testing tools.
  • Experience with CI/CD, continuous integration, automated testing and software deployment pipelines.
  • Strong knowledge of software testing methodologies, quality engineering and system reliability.
  • Experience working with complex, business-critical software systems.

My client offers an excellent compensation package, including a highly competitive base salary, performance-related compensation with participation in fund performance, and a comprehensive benefits package.

You will join a high-performing engineering environment with significant technical autonomy, modern development tooling and the opportunity to work alongside some of the strongest technologists in the hedge fund industry.

#SDET #Software Engineering #Test Automation #CSharp #Dot Net #Python #Java #CICD #Hedge Funds #Trading Technology #Quantitative Finance

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