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Permanent

Junior Software Developer - Trading

Spectrum IT Recruitment
London
money-bag £60000 - £80000/annum
Posted: 18 August 2026 (Today)
Closing date: 17 September 2026
Ref: 225506326



We are looking for a Junior C# .NET Developer to join a growing technology team developing and supporting high-performance, real-time software systems.

This is an excellent opportunity for a graduate or early-career developer who is passionate about software development and wants to build their career working with C#, .NET and complex, high-volume systems.

You will work alongside experienced developers and gain exposure to the full software development lifecycle, contributing to systems where performance, reliability and scalability are critical.



Key Responsibilities

  • Develop, enhance and maintain applications using C# and .NET.
  • Contribute to the development of high-performance and real-time software systems.
  • Write clean, maintainable and well-tested code.
  • Work alongside senior developers to investigate and resolve technical issues.
  • Develop new features and functionality based on business and technical requirements.
  • Work with databases and SQL to retrieve and manage application data.
  • Participate in code reviews, testing and debugging.
  • Help monitor and troubleshoot production systems.
  • Collaborate with developers, testers and other technical teams.
  • Learn and apply best practices around software development, performance and system reliability.


Skills & Experience

Essential:

  • Strong educational background - At least a 2:1 in STEM subject
  • Commercial experience developing with C#.
  • Good understanding of .NET / .NET Core.
  • Strong understanding of object-oriented programming and software development principles.
  • Knowledge of SQL and relational databases.
  • Strong problem-solving and analytical skills.
  • A genuine interest in developing high-quality software.
  • Good communication skills and the ability to work effectively within a development team.

Desirable:

  • Experience with ASP.NET Core or Web APIs.
  • Knowledge of SQL Server.
  • Exposure to multithreading, asynchronous programming or distributed systems.
  • Experience with Git and modern development practices.
  • Understanding of performance optimisation and low-latency systems.
  • Exposure to automated testing and CI/CD.
  • Knowledge of cloud technologies such as AWS or Azure.

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

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