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A well-established global investment firm is looking for a Senior C#/.NET Developer to support the development and enhancement of a range of internal platforms used across several business functions. Working as part of a collaborative technology team, you will help design and build applications that support key operational areas of the business. The work involves developing reliable backend services, improving existing systems, and building integrations between internal tools and third-party platforms. This is a longer-term consulting engagement offering the opportunity to work on a range of internal platforms in a technically strong environment, contributing to systems that support critical business operations.
Job Responsibility:
Design and develop backend applications using C# and .NET
Build and maintain APIs and integrations between internal and external systems
Work closely with engineers and business stakeholders to deliver scalable solutions
Contribute to improving existing systems and addressing technical challenges
Ensure applications are reliable, maintainable, and aligned with engineering best practices
Produce documentation around development and integration processes
Requirements:
Strong experience with C# and .NET development
Solid knowledge of SQL Server and relational data modelling
Experience building REST APIs and system integrations
Comfortable working in collaborative environments across both technical and business teams
Strong analytical and problem-solving skills
Nice to have:
Experience working on enterprise or internal business systems
Exposure to integrations with HR, finance, or operational platforms
Familiarity with cloud environments such as Azure or AWS
Experience with Python or data-focused tooling
Knowledge of authentication protocols such as SAML or OAuth
Experience with reporting or analytics tools such as Power BI or Tableau