Python Trading Support Engineer (Fintech)

Python Trading Support Engineer - Front Office Trading Technology

Conditions

Posted Date May 24, 2026 Employment Type Full-time Experience Level Not Applicable Location United Kingdom Annual Salary 300,000 GBP Category ** Programming ** Company **Bonhill Partners **

Python Trading Support Engineer - Front Office Trading Technology

Python Trading Support Engineer - Front Office Trading TechnologyLondon (5 days onsite)International candidates welcome - Visa sponsorship and relocation support available£250,000 - £400,000 Total Compensation + Significant Upside Potential

We are partnering with a leading global hedge fund undergoing a major build-out of its next-generation Front Office trading technology stack across OTC markets. This is a high-impact, Front Office engineering role focused on mission-critical trade capture, execution workflows, and platform reliability used directly by global trading desks. The environment is fast-paced, highly technical, and tightly embedded within the investment process, with engineers working side-by-side with Traders and Portfolio Managers on systems that directly influence trading performance, efficiency, and scale.

This role is best suited to strong buy-side or Front Office engineers who enjoy combining deep Python engineering with real-time problem solving, platform ownership, and direct business interaction. This is emphatically not a traditional support role. The focus is on building, automating, and evolving trading systems driving resilience, scalability, and operational excellence across complex, high-volume environments.

You’ll sit at the intersection of engineering and trading, shaping execution workflows, automation, observability, and platform performance, within a culture that values proactive engineering ownership over reactive support.

International Hiring Note

• The firm is open to exceptional candidates based outside the UK, and is prepared to provide:
• Full visa sponsorship
• Relocation support packages
• Assistance with onboarding and cross-border transition
• Strong candidates with relevant Front Office trading technology experience will be considered regardless of current location.

Looking to advance your Development & Programming career with relocation support? Explore Development & Programming Jobs with Relocation Packages that include comprehensive packages to help you move and settle in your new role. The Role You will join a highly technical Front Office engineering group responsible for evolving and supporting a sophisticated OTC trading platform across multiple asset classes globally the role combines:

• Python software engineering
• Real-time trading systems engineering
• Platform reliability and optimisation
• Automation and tooling development
• Trade workflow analysis
• Production ownership
• Direct interaction with investment teams

What You’ll Be Doing

• 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 solve complex real-time trading problems
• Troubleshooting trade lifecycle, booking, and workflow issues across OTC products
• Developing scalable tooling 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 Discover our full range of relocation jobs with comprehensive support packages to help you relocate and settle in your new location.
• Investigating production issues using SQL, Python, and system-level analysis
• Collaborating with infrastructure and engineering teams globally on platform evolution initiatives
• Operating within high-performance Linux/Unix production environments

Core Requirements

• Exceptional Python engineering capability this is the key focus of the role
• Strong 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 capability within complex, real-time distributed systems
• Excellent SQL and data analysis skills
• Linux/Unix expertise
• Strong engineering mindset with a focus on scalable, maintainable systems
• Ability to operate effectively in fast-paced, high-performance trading environments
• Strong communication skills with both technical teams and investment professionals

Interested in relocating to United Kingdom? Check out our comprehensive Relocation Jobs in United Kingdom page with detailed relocation packages and benefits. Highly Desirable

• Experience within hedge funds, proprietary trading firms, or systematic trading environments
• Knowledge of OTC or derivatives trading workflows
• Exposure to order management, trade capture, or risk platforms
• Experience improving platform observability, reliability, or operational tooling
• Additional scripting or automation experience
• Understanding of post-trade processing and reconciliations
• Exposure to market connectivity or pricing infrastructure

Why This Role

• High level of Front Office exposure and influence
• Strong engineering culture with significant technical ownership
• Opportunity to work on complex, business-critical trading systems
• Direct impact on trading workflows and operational performance
• Highly competitive compensation structure with meaningful upside potential
• Opportunity to work alongside top-tier engineering and investment talent
• Large-scale platform transformation programme with significant investment and visibility
• International mobility supported via visa sponsorship and relocation assistance

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