Software Engineer

Spectrum IT Recruitment; Greater London; On-site; GBP 55,000 - 90,000; Full time

Job summary

Spectrum IT Recruitment is seeking a Software Engineer to contribute to the design and enhancement of an in-house trading and research system.

You will work on greenfield and existing projects within a C# / .NET / SQL Server ecosystem, delivering scalable, high-performance software alongside researchers and traders.

Qualifications

• Bachelor's degree in Computer Science or related field.
• 2–5 years of professional software development experience.
• Strong English communication and detail-oriented mindset.

Responsibilities

• Design, develop, and maintain applications using C# and .NET.
• Contribute to system architecture and technical design discussions.
• Build scalable systems to support automated trading and research.
• Develop and optimise database solutions (SQL Server or equivalent).
• Collaborate with researchers and traders to deliver robust software solutions.
• Participate in code reviews and maintain high standards.

Skills

C# and .NET

SQL Server

ASP.NET

Multi-threaded programming

Git

Windows development

English communication

Problem solving

Financial markets exposure

Education

BSc in Computer Science

Tools

Git

SQL Server

Windows development environments

Oracle

Job description

Excellent opportunity for a Software Engineer to contribute to the development and enhancement of our client’s in-house trading and research systems.

You will work on greenfield and existing projects, helping to build scalable, high-performance systems that directly support real-world trading strategies. This role offers strong technical exposure and the opportunity to grow within a highly collaborative engineering team.

You will primarily work within a C# / .NET / SQL Server / ASP.NET ecosystem, developing reliable and maintainable applications.

Key Responsibilities

• Design, develop, and maintain applications using C# and .NET
• Contribute to system architecture and technical design discussions
• Build scalable systems to support automated trading and research
• Develop and optimise database solutions (SQL Server or equivalent)
• Improve performance, reliability, and automation across systems
• Participate in code reviews and maintain high standards of quality
• Collaborate with researchers and traders to deliver robust software solutions
• Contribute to continuous improvement of development processes and tooling

Required Skills & Experience

• BSc (or higher) in Computer Science or a related discipline
• Strong experience with C# and the .NET platform
• 2–5 years of professional software development experience
• Experience with SQL Server, Oracle, or equivalent relational databases
• Good understanding of object-oriented design principles
• Experience building and maintaining production applications
• Strong communication skills in English
• Analytical mindset with attention to detail
• Experience with multi-threaded or concurrent programming
• Exposure to network programming (TCP/UDP)
• Experience with Git or other version control systems
• Familiarity with Windows-based development environments
• Interest in or exposure to financial markets