Senior C# Developer (Ref: 3ff-4)
RefermentUnited Kingdom20 hours ago
Full-timeEngineering, Finance +1
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Referment is working with a leading global trading firm that is looking to hire a Senior C# Developer to join its high-performing technology team in London. This role offers the chance to work on a range of front-office trading systems that support physical and financial commodity desks across global markets.
As a senior engineer, you’ll play a key role in designing and developing scalable, high-performance applications used daily by traders, quants, and risk analysts. The team operates in a highly agile environment, and you’ll have the opportunity to contribute to both technical direction and hands-on development across critical systems.
Key Responsibilities
This is a fantastic opportunity to join a technology-led organisation where software development is central to business success. You’ll work alongside highly skilled professionals on complex challenges, using the latest technologies in an environment that values innovation and collaboration.
#Referment
As a senior engineer, you’ll play a key role in designing and developing scalable, high-performance applications used daily by traders, quants, and risk analysts. The team operates in a highly agile environment, and you’ll have the opportunity to contribute to both technical direction and hands-on development across critical systems.
Key Responsibilities
- Design, develop, and maintain enterprise-level trading applications using C#/.NET
- Build and enhance tools used by front-office trading desks across commodities markets
- Partner with traders, analysts, and other developers to gather requirements and deliver robust software solutions
- Ensure system reliability, performance, and scalability in a high-volume environment
- Contribute to architecture and design decisions, and mentor junior developers where appropriate
- Integrate with internal and external data feeds, APIs, and trading platforms
- Support modern development practices, including CI/CD and automated testing
- 7+ years of experience in C#/.NET software development
- Experience working in a front-office or trading environment, ideally within financial services or commodities
- Strong understanding of object-oriented programming, multithreading, and performance optimisation
- Solid experience with SQL Server and messaging systems such as RabbitMQ or Kafka
- Comfortable working in a fast-paced, agile environment and engaging directly with business users
- Familiar with version control, CI/CD pipelines, and modern software development practices
- Exposure to energy or commodities markets
- Knowledge of cloud services (preferably Azure)
- Experience with scripting languages such as Python
This is a fantastic opportunity to join a technology-led organisation where software development is central to business success. You’ll work alongside highly skilled professionals on complex challenges, using the latest technologies in an environment that values innovation and collaboration.
#Referment
Key Skills
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