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C# Developer

BarclaysLondon, United Kingdom
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To design, develop and improve software, utilising various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues.

Accountabilities

  • Development and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and tools.
  • Ensuring that code is scalable, maintainable, and optimized for performance.
  • Cross-functional collaboration with product managers, designers, and other engineers to define software requirements, devise solution strategies, and ensure seamless integration and alignment with business objectives.
  • Collaboration with peers, participate in code reviews, and promote a culture of code quality and knowledge sharing.
  • Stay informed of industry technology trends and innovations and actively contribute to the organization’s technology communities to foster a culture of technical excellence and growth.
  • Adherence to secure coding practices to mitigate vulnerabilities, protect sensitive data, and ensure secure software solutions.
  • Implementation of effective unit testing practices to ensure proper code design, readability, and reliability.

Join Barclays as a C# Developer, where you will be part of the team responsible for the design, development, and support of low-latency pricing and execution platforms used by front-office trading and sales teams. The successful candidate will work closely with quantitative teams, traders, and technology stakeholders to deliver high-performance, resilient, and scalable systems.

To be successful, you should have

  • .Net 8 Coding Experience
  • Using containers (Kubernetes)
  • Excellent communication skills – written and talking to Tech Teams and Stakeholders
  • Gitlab
Some other highly valued skills may include
  • Working on low latency pricing and execution systems
  • Working knowledge of resilient software design
  • Solace messaging

You may be assessed on key critical skills relevant to success in this role, such as risk and controls, change and transformation, business acumen, strategic thinking, digital and technology skills, as well as job-specific technical skills.

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FAQ

Is the C# Developer position at Barclays remote?
Yes. This role was posted on Remote Frontend Jobs, a job board that lists exclusively fully remote positions.
When was this C# Developer job posted?
This listing was posted on January 16, 2026 and is still open for applications.
How do I apply for the C# Developer position at Barclays?
Use the apply button on this page — it takes you directly to the employer’s application page.

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