C# Developer

City, London

Synechron
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We're Synechron, a global consultancy laser-focused on accelerating digital initiatives in financial services.

With over 14,500 members of staff across 17 countries and a unique mix of end-to-end digital, business and technology services, we help clients solve complex challenges with modern and innovative solutions.

We're big enough to be taken seriously, yet small enough to operate with an agile, open, relationship-driven approach. Our clients come to us with problems that need genuine thought, intelligence and knowledge; we're not just putting bodies on seats.

We are seeking a highly skilled C Developer with a strong background in asset management or investment banking. The ideal candidate will possess expert-level proficiency in C and .NET technologies, along with strong SQL experience. Experience with Kafka and familiarity with Windows Forms and front-end development frameworks such as Angular will be considered advantageous.

Key Responsibilities:

Design, develop, and maintain high-quality software applications using C and .NET technologies (both .NET Framework 4.8 and .NET 8).

Collaborate with cross-functional teams to gather and analyze business requirements and translate them into technical specifications.

Write and optimize SQL queries for SQL Server and PostgreSQL databases, ensuring data integrity and performance.

Implement real-time data processing solutions using Kafka, including producing and consuming messages.

Develop and enhance Windows Forms applications, if applicable.

Collaborate with front-end developers to integrate user-facing elements with server-side logic, using Angular or other modern frameworks.

Conduct code reviews and provide technical guidance to junior developers.

Troubleshoot and debug applications to ensure optimal functionality and performance.


  • Expert level developing in C / .NET (.NET Framework 4.8 + .NET 8)

  • Strong SQL experience (SQL Server and PostgreSQL)

  • Experience with Kafka

  • Windows Forms (.NET Framework) (Nice to have)

  • Front-End development using Angular and/or other frameworks (Nice to have).

  • Good core engineering principles are a must Ideally, someone who has done a microservices transition.

Date Posted: 02 May 2025
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