Senior Trading Systems Engineer

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Our client is a well-established, globally recognised multi-strategy hedge fund managing approximately $9 billion in assets.

They are looking for a Senior Trading Systems Developer to be the sole technical presence in their London office; owning the full trade life cycle stack end-to-end and working directly alongside traders and portfolio managers with no local dev management layer above you.

This is not a role for someone who needs close oversight. They want someone who surfaces problems before they’re asked, moves fast under pressure, and is trusted to represent the global dev team in a demanding trading environment.

Requirements

Technical

  • 5+ years professional software development with clear ownership progression
  • C# and/or Python as primary languages
  • Hands‑on experience with OMS, EMS, market data infrastructure, or P&L/position workflows
  • Web front‑end experience (Angular or React preferred)
  • Fluency with CI/CD, distributed source control, and automated testing tooling
  • Degree in computer science or related STEM discipline
  • Confident and direct with senior traders under live market pressure
  • Deep sense of personal ownership
  • Proactive by default; you identify issues before being asked
  • Composure and decisiveness when the environment demands urgency
  • Clear communicator across time zones with a globally distributed team
  • Comfortable with out‑of‑hours support when critical issues arise

#J-18808-Ljbffr”, “datePosted”: “2026-05-10”, “hiringOrganization”: { “@type”: “Organization”, “name”: “OCR Alpha”, “sameAs”: “https://uk.whatjobs.com/pub_api__cpl__428778261__4861?utm_campaign=publisher&utm_medium=api&utm_source=4861&geoID=33” }, “jobLocation”: { “@type”: “Place”, “address”: { “@type”: “PostalAddress”, “addressLocality”: “London” } } }
Company: OCR Alpha
Apply for the Senior Trading Systems Engineer
Location: London
Job Description:

Our client is a well-established, globally recognised multi-strategy hedge fund managing approximately $9 billion in assets.

They are looking for a Senior Trading Systems Developer to be the sole technical presence in their London office; owning the full trade life cycle stack end-to-end and working directly alongside traders and portfolio managers with no local dev management layer above you.

This is not a role for someone who needs close oversight. They want someone who surfaces problems before they’re asked, moves fast under pressure, and is trusted to represent the global dev team in a demanding trading environment.

Requirements

Technical

  • 5+ years professional software development with clear ownership progression
  • C# and/or Python as primary languages
  • Hands‑on experience with OMS, EMS, market data infrastructure, or P&L/position workflows
  • Web front‑end experience (Angular or React preferred)
  • Fluency with CI/CD, distributed source control, and automated testing tooling
  • Degree in computer science or related STEM discipline
  • Confident and direct with senior traders under live market pressure
  • Deep sense of personal ownership
  • Proactive by default; you identify issues before being asked
  • Composure and decisiveness when the environment demands urgency
  • Clear communicator across time zones with a globally distributed team
  • Comfortable with out‑of‑hours support when critical issues arise

#J-18808-Ljbffr…

Posted: May 10th, 2026