C# Developer

Company: Trilogy International, A Korn Ferry Company
Apply for the C# Developer
Location: London
Job Description:

Job Title: Senior Software Developer (C#/.NET)

Duration: 6 Months Initial

Overview:We are seeking a highly experienced Senior .NET Developer ideally with proficiency in Blazor to join a collaborative development team responsible for designing, implementing, and maintaining complex web applications. The ideal candidate will have a track record of delivering robust, scalable software solutions and a proactive approach to staying current with modern web technologies.

Key Responsibilities:

  • Design, develop, test, and maintain web applications using .NET technologies, with a focus on Blazor.
  • Analyse, modify, and enhance existing application logic to improve performance and functionality.
  • Provide application development or technical support within defined initiatives or product areas.
  • Participate in system architecture and integration decisions, contributing to the implementation of DevOps best practices.
  • Collaborate in Agile project environments, actively engaging in sprint planning, code reviews, and technical discussions.
  • Create and maintain comprehensive technical documentation, including architecture diagrams, specifications, and deployment plans.
  • Support the full software development lifecycle, including requirements analysis, design, coding, testing, deployment, and support.
  • Contribute to the stability and performance of systems through proactive monitoring, incident analysis, and problem resolution.
  • Support system upgrades, patching, and continuous integration/delivery pipeline management.

Required Skills and Experience:

  • 5–8 years of experience in software development, ideally with a focus on enterprise-level applications.
  • Strong expertise in C# and the .NET framework (2.0–4.x), as well as .NET 6/8.
  • Demonstrated experience with Blazor for at least four years, ideally within large-scale application environments.
  • Experience developing ASP.NET Web Forms, MVC, and RESTful APIs.
  • Proficiency in Visual Studio and source control systems such as Git.
  • Hands-on experience with Azure DevOps, including configuration of repositories, pipelines, and release processes.
  • Familiarity with infrastructure automation tools (e.g., ARM templates, Terraform, Azure APIs).
  • Understanding of Configuration Management and DevOps practices.
  • Experience working in Agile/Scrum development teams.
  • Strong testing background, including unit testing with NUnit or xUnit, and experience with test-driven development (TDD) preferred.
  • Ability to troubleshoot and resolve production incidents efficiently.
  • Experience supporting system availability, patch management, and performance improvements.
  • Demonstrated ability to work collaboratively within matrixed teams and communicate effectively with stakeholders.

Name:

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Phone:

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CV / Resume:

Yes, I am currently eligible to work (work permit/visa/citizenship) in the country to which I am applying. No, I am not currently eligible to work (work permit/visa/citizenship) in the country to which I am applying.

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Posted: June 6th, 2026