Job Description
The full job description covers all associated skills, previous experience, and any qualifications that applicants are expected to have.
Job Title: Senior C# / .NET Developer – Financial Services (Risk / Securities Lending)
Location: London (Hybrid)
Duration: 6 Months contract
Job Description
Role Overview
- We are seeking an experienced C# / .NET Developer to join a technology team supporting critical Financial Services platforms, with a strong focus on Risk Management and/or Securities Lending domains.
- The role involves designing, building, and supporting high performance systems used for risk calculations and trading/financing workflows.
- You will work closely with quants, risk managers, business analysts, and product owners to deliver robust, scalable solutions in a regulated environment.
Key Responsibilities
- Design, develop, and maintain C# / .NET applications supporting Risk or Securities Lending platforms
- Build and consume RESTful APIs to integrate with upstream/downstream systems
- Implement scalable, testable, and maintainable object oriented code following best practices
- Contribute to risk workflows including exposure calculations, limits, and reporting
- Work with large data sets and high throughput systems typical of financial services
- Participate in code reviews, architectural discussions, and technical design sessions
- Collaborate with cross functional teams (Risk, Front Office, Operations, Compliance)
- Support production systems and assist with incident analysis and remediation
Required Skills & Experience
Core Technical Skills
- Strong hands on experience with C# and .NET (.NET Core / .NET)
- Excellent Object Oriented Programming (OOP) skills and design principles
- Proven experience designing and implementing APIs (REST / JSON)
- Solid understanding of application architecture, performance, and scalability
- Experience with SQL databases (e.g. SQL Server)
- Familiarity with unit testing, integration testing, and CI/CD pipelines
Financial Services Domain Knowledge (Essential)
- Experience working in Financial Services technology environments
- Strong domain knowledge in at least one of:
- o Risk Management
- o Securities Lending / Prime Brokerage
- o Collateral, Margin, or Financing platforms
Risk & Regulatory Experience (Highly Beneficial)
- Exposure to risk and regulatory xwzovoh methodologies such as:
- o RWA (Risk Weighted Assets)
- o CCAR
- o Basel III / Basel IV frameworks
- Understanding of credit risk, counterparty exposure, or capital calculations is a strong advantage
Nice to Have
- 10+ years experience
- Experience with cloud platforms (Azure / AWS)
- Messaging technologies (e.g. Kafka)
- Experience in front to back trading or financing systems
- Familiarity with Agile / Scrum delivery methodologies
Personal Attributes
- Strong problem solving and analytical mindset
- Comfortable working in complex, regulated environments
- Able to communicate effectively with both technical and non technical stakeholders
- Proactive, delivery focused, and detail oriented