C# Developer - Risk Technology

mavensecuritiesholdingltd· Technology
Apply Now ↗
📍 London

About this role

Maven is a market-leading proprietary trading firm deploying its own capital across discretionary, systematic, and market-making strategies. Backed by deep expertise in trading, technology, and research, we are relentlessly focused on improving liquidity across global listed derivatives. Through advanced execution and pricing technologies, we improve how financial markets operate. 

You will join a small team, collaborating with traders, risk specialists and developers to help optimise and automate and enhance our risk systems, including reporting, position management, building new and innovative solutions.  The team’s main responsibility is for middleware and backend services; we also develop full-stack solutions, including web-based front-ends.

What you’re going to do:

  • Design and develop sound solutions to support critical business functions with a focus on testability, maintainability, performance and resilience
  • Craft great code and tests, using automation as your friend
  • Analyse, capture and communicate your design decisions
  • Interact and collaborate with stakeholders, SRE’s and Infrastructure engineers 

What you’re going to need:

  • Strong analytical and system design skills
  • Excellent C# ability including strong focus on testing processes
  • .NET Core; CI/CD, containerization (Docker and/or Kubernetes) 

Nice to have: 

  • Knowledge of financial markets & securities (particularly equities, bonds, futures and options)
  • Derivative pricing and risk management
  • Python libraries (pandas, NumPy etc)
  • SQL and large data handling experience
  • Modern Front-end UI development experience, especially React and TypeScript
  • Event-driven design, DDD, CQRS and/or EventSourcing experience for Multithreading, distributed design, message queues (e.g. Kafka, RabbitMQ), fault-tolerance, Prometheus, Grafana

WHAT WE CAN OFFER YOU

  • Competitive compensation 
  • Group Pension plan 
  • Annual discretionary bonus 
  • Fully catered breakfast, lunch and snacks. 
  • 25 days’ annual leave
  • Informal dress code 
  • Private healthcare and life assurance
  • Cycle-to-work scheme
  • Private Gym

Frequently Asked Questions

Is the salary disclosed for the C# Developer - Risk Technology position at mavensecuritiesholdingltd?
The salary for this C# Developer - Risk Technology role at mavensecuritiesholdingltd is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the C# Developer - Risk Technology position at mavensecuritiesholdingltd located?
This C# Developer - Risk Technology role at mavensecuritiesholdingltd is based in London. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Which team or department does the C# Developer - Risk Technology at mavensecuritiesholdingltd belong to?
This C# Developer - Risk Technology position is part of the Technology department at mavensecuritiesholdingltd. See the full job description for more information about the team structure and responsibilities.
How do I apply for the C# Developer - Risk Technology position at mavensecuritiesholdingltd?
Click the "Apply Now" button on this page. You will be redirected to mavensecuritiesholdingltd's official application portal hosted on greenhouse where you can submit your application directly.
When was the C# Developer - Risk Technology job at mavensecuritiesholdingltd posted?
This C# Developer - Risk Technology position at mavensecuritiesholdingltd was posted on Dec 16, 2025. Apply as soon as possible — early applications are often reviewed first.
C# Developer - Risk Technology
mavensecuritiesholdingltd
Apply for this role ↗

You'll be redirected to mavensecuritiesholdingltd's official application page on Greenhouse.