C# Developer - Risk Technology

Maven Securities; Greater London; On-site; GBP 55,000 - 75,000; Full time

Benefits offered by this job

Competitive compensation

Group Pension plan

Annual discretionary bonus

Fully catered meals

25 days annual leave

Informal dress code

Private healthcare

Cycle-to-work scheme

Private Gym

Job summary

Maven Securities is seeking a skilled software developer to join their team in London. You will work closely with traders and risk specialists to enhance risk systems and develop innovative solutions. The role requires strong C# skills, experience with .NET Core, and an understanding of design best practices.

The position offers competitive compensation, a group pension plan, and various perks, including catered meals and private healthcare. If you are passionate about technology and finance, join us to make an impact!

Qualifications

• Strong analytical and system design skills.
• Excellent C# ability focusing on testing processes.
• .NET Core experience with CI/CD and containerization.

Responsibilities

• Design and develop solutions for critical business functions.
• Craft code and tests, utilizing automation.
• Analyze and communicate design decisions.

Skills

Analytical and system design skills

C# programming

.NET Core

CI/CD

Docker

Kubernetes

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