Remote Senior .Net Developer

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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.

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.

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.

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 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