Synergy Interactive
Senior .NET/C# Engineer ($55/hr)
Synergy InteractiveUnited States6 hours ago
ContractEngineering

We are seeking an experienced Senior .NET/C# Engineer to join a London-based technology team supporting core systems for a leading hedge fund / asset management environment. This individual will play a key role in developing and enhancing critical applications that support Treasury, Operations, Accounting, or Compliance functions. The ideal candidate will have strong technical expertise in object-oriented programming and the ability to work in close collaboration with business users and cross-functional teams.

Responsibilities

  • Design, develop, and maintain robust, high-performance applications using .NET (C#) and related technologies.
  • Collaborate with business teams to understand requirements across Treasury, Operations, Accounting, or Compliance domains and translate them into effective technical solutions.
  • Enhance and support existing systems, ensuring scalability, performance, and reliability.
  • Participate in architectural discussions and provide input on system design and integration.
  • Troubleshoot, debug, and optimize application performance and data workflows.
  • Work closely with other engineers to ensure best practices in coding, testing, and deployment.
  • Contribute to continuous improvement efforts across the full development lifecycle.

Required Skills & Experience

  • 8–10 years of hands-on experience with .NET (C#) and strong understanding of object-oriented programming (OOP) principles.
  • Proven ability to design and implement complex, enterprise-grade applications.
  • Experience working within financial services, preferably at a hedge fund or asset manager, with exposure to at least one of the following areas:
  • Treasury: Margin, financing costs, optimization, locates
  • Operations: Post-trade reconciliations, affirmations, break resolutions, dispute process, allocations
  • Accounting or Compliance systems and workflows
  • Strong problem-solving and analytical skills with attention to detail.
  • Excellent communication and collaboration abilities; comfortable working closely with business stakeholders.

Nice-to-Have Skills

  • Experience with Blazor or DevExpress for front-end/UI development.
  • Familiarity with cloud-based architectures or microservices environments.
  • Experience working in an Agile/Scrum environment.

Key Skills

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