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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior .Net Developer - **Company:** LanceSoft, Inc. - **Location:** London, UK - **Experience:** Expert - **Salary:** £104,000.0 - £114,400.0 - **Contract:** Temporary contract - **Skills:** .NET Framework, Application Programming Interfaces (APIs), Amazon Web Services, Applications Architecture, Unit Testing, Microsoft Azure, Big Data, C Sharp (Programming Language), Code Review, Continuous Integration, JSON, Enterprise Messaging Systems, Microsoft SQL Server, Object-Oriented Software Development, SQL Databases, .NET Core, Integration Tests, Apache Kafka, Restful APIs - **Published:** August 11, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5836692150 ## About the Role 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 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 ## Description * 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., * 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 ## Related Videos - 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