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.NET Developer

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Barclays

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Location:
United Kingdom , Glasgow

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

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Job Description:

Join Barclays as a .NET Developer, where you will design and deliver high-performance .NET 8 Web APIs within a modern, distributed environment. You’ll apply your expertise in ASP.NET Core, C# multithreading, and database technologies such as SQL Server or MongoDB to build scalable, resilient solutions. As part of existing team moving from London to Glasgow, you’ll contribute to API development on Kubernetes while continuing to grow your skills in emerging technologies and architectures.

Job Responsibility:

  • 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

Requirements:

  • .NET 8 Web API Development – Strong experience building, deploying, and maintaining .NET 8 Web APIs, including ASP.NET Core fundamentals such as dependency injection, middleware, routing, controllers, and API versioning
  • Database Technologies (SQL Server or MongoDB) – Proficiency with SQL Server or hands on MongoDB experience, including driver usage, performance tuning, and connection management
  • C# Multithreading & Concurrency – Deep understanding of async/await, TPL, thread safe collections, memory management, and parallel processing in distributed systems

Nice to have:

  • Kubernetes & Container Orchestration – Experience with Docker, Kubernetes workloads, pod scaling, CI/CD, IaC, and monitoring
  • Authentication & Security – Exposure to Kerberos/GSSAPI, Active Directory integration, JWT, and secure API design
  • Distributed Systems & Event Driven Architecture (incl. Kafka) – Understanding of microservices, event driven patterns, message queues, and Apache Kafka based streaming
What we offer:
  • Competitive holiday allowance
  • Life assurance
  • Private medical care
  • Pension contribution

Additional Information:

Job Posted:
March 21, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
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