Junior C# Developer

A fantastic opportunity for an ambitious Junior C# Developer to accelerate their career within a highly technical trading environment.

We are looking for a Junior C# .NET Developer to join a growing technology team responsible for building and supporting high-performance, real-time software used within trading.

This is an ideal opportunity for a graduate or early-career developer who has already gained some commercial C# experience and now wants to take a significant step forward technically.

You'll work alongside experienced software engineers, gaining hands-on exposure to trading systems, real-time applications, high-performance software and complex technical challenges that you wouldn't typically encounter in a standard junior development role.

You'll be encouraged to learn, ask questions and gradually take on more responsibility as your technical skills develop.

What You'll Be Doing

• Develop and enhance applications using C# and modern .NET
• Work on real-time, performance-critical trading technology
• Learn directly from experienced senior software engineers
• Build new features and improve existing systems
• Write clean, maintainable and well-tested code
• Work with SQL and relational databases
• Investigate technical issues and learn how to troubleshoot production systems
• Participate in code reviews, testing and debugging
• Gain exposure to performance optimisation, scalability and system reliability
• Work across the full software development lifecycle
• Develop your understanding of professional software engineering best practices

What We're Looking For

• A strong academic background with at least a 2:1 degree in a STEM subject
• Some commercial experience developing software with C#
• Good understanding of .NET / .NET Core
• Solid knowledge of object-oriented programming
• Understanding of SQL and relational databases
• Strong problem-solving and analytical skills
• A genuine enthusiasm for software engineering and learning new technologies
• Someone who wants to understand how and why systems work , rather than simply writing code
• Good communication skills and the ability to learn from experienced developers

Great If You Have

You don't need to tick every box, but exposure to any of the following would be beneficial:

• ASP.NET Core / Web APIs
• SQL Server
• Multithreading or asynchronous programming
• Git
• Automated testing and CI/CD
• Distributed systems
• Performance optimisation or low-latency applications
• AWS or Azure
• An interest in financial markets, trading or quantitative technology

Why This Is a Great Junior Opportunity

This isn't a role where you'll spend your first few years working on basic development tasks.

You'll be joining an environment where software performance, speed, reliability and quality really matter , giving you the opportunity to develop skills that can take years to gain elsewhere.

You'll learn from experienced engineers, gain exposure to sophisticated trading technology and build a strong foundation across C#, .NET, databases, real-time systems and high-performance software engineering .

For a Junior Developer who is technically curious, ambitious and keen to learn, this is an opportunity to develop quickly and build a genuinely strong engineering career within trading technology.

Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy. </p

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