C# Developer - Risk Technology

Full Time

LondonPosted 6 weeks ago

Role Overview

Mavensecuritiesholdingltd is hiring a C# Developer - Risk Technology. This is a full-time role in London. Part of Mavensecuritiesholdingltd's Trading hiring. Full responsibilities, required qualifications, and the apply link are listed in the description below.

Salary Context

Salary is not disclosed in this posting. Market median for Trading roles is $150k-$200k (based on 122 comparable listings). Many employers share specifics during the interview process or after an initial screen.

Resume Keywords to Include

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PythonTypeScriptSQLReactDockerKubernetesKafkaRabbitMQ

Job description

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

About Mavensecuritiesholdingltd

Mavensecuritiesholdingltd

TradingOn-site

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Frequently Asked Questions

How do I apply for the C# Developer - Risk Technology position at Mavensecuritiesholdingltd?

Use the Apply button above to submit your application directly to Mavensecuritiesholdingltd. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.

Where is the C# Developer - Risk Technology position at Mavensecuritiesholdingltd located?

This position is based in London. Mavensecuritiesholdingltd has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.

What does a C# Developer - Risk Technology at Mavensecuritiesholdingltd earn?

Mavensecuritiesholdingltd has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.

When was the C# Developer - Risk Technology role at Mavensecuritiesholdingltd posted?

This role was posted on May 27, 2026 (45 days ago). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.