Python Trading Support Engineer

Python Trading Support Engineer Location: London, UK (5 days onsite) Compensation: £250,000 - £400,000 Total Compensation + Significant Upside Potential Visa Sponsorship & Relocation Support Available
We are partnering with a leading global hedge fund undergoing a major transformation of its Front Office trading technology platform across OTC markets. This is a high-impact engineering role focused on mission-critical trade capture, execution workflows, platform reliability, and production engineering. You will work directly alongside Traders and Portfolio Managers, helping to build, support, and evolve systems that are central to the firm's trading operations and investment process. This is not a traditional support role. The position combines software engineering, production ownership, automation, and real-time problem solving within a fast-paced Front Office environment.
The firm is open to exceptional candidates currently based outside the UK and can provide:

• Full visa sponsorship
• Relocation support packages
• Assistance with onboarding and international relocation
• Strong candidates with relevant Front Office trading technology experience will be considered regardless of current location.

The RoleYou will join a highly technical Front Office engineering team responsible for a sophisticated OTC trading platform supporting multiple asset classes globally.
Responsibilities include:

• Building Python-based automation, tooling, and engineering solutions for Front Office trading platforms
• Improving platform reliability, monitoring, observability, and operational tooling
• Working directly with Traders and Portfolio Managers to resolve complex real-time trading challenges
• Troubleshooting trade lifecycle, booking, and workflow issues across OTC products
• Developing scalable solutions to improve reconciliation, alerting, and operational efficiency
• Contributing to platform engineering initiatives focused on performance, resilience, and scalability
• Supporting production releases, testing, deployment validation, and system improvements
• Investigating production issues using Python, SQL, and system-level analysis
• Collaborating with global engineering and infrastructure teams on platform evolution initiatives
• Operating within high-performance Linux/Unix production environments

Required Experience

• Exceptional Python engineering skills
• Experience building production-grade tooling, automation, or distributed systems in Python
• Previous Front Office trading technology experience within buy-side or sell-side environments
• Strong understanding of electronic trading workflows, trade lifecycle management, or booking systems
• Strong troubleshooting skills across complex real-time distributed systems
• Excellent SQL and data analysis capabilities
• Linux/Unix expertise
• Strong engineering mindset focused on scalability, maintainability, and reliability
• Ability to operate effectively in a fast-paced trading environment
• Strong communication skills and experience working directly with business stakeholders

Preferred Experience

• Hedge fund, proprietary trading, or systematic trading experience
• OTC and derivatives trading knowledge
• Experience with order management, trade capture, or risk platforms
• Platform observability, monitoring, or reliability engineering experience
• Additional scripting or automation expertise
• Understanding of post-trade processing and reconciliations
• Exposure to market connectivity or pricing infrastructure