IT & Software

Senior Software Developer

Spectrum IT Recruitment

London · Greater London · United Kingdom

Overview

In this role you will help design and build high-performance in-house trading and research systems. You’ll influence architectural decisions, work on greenfield projects, and collaborate with researchers and traders to translate requirements into robust software. The position focuses on scalability, reliability, and performance within a C#/.NET/SQL Server environment. You will mentor peers and contribute to development standards, delivering meaningful impact in a financial technology context.

Responsibilities
  • Design, develop, and maintain high-performance applications in C# and .NET
  • Lead architectural discussions and set technical direction
  • Build scalable, reliable systems to support automated trading and research
  • Develop and optimise database solutions (SQL Server or equivalent)
  • Improve performance, reliability, and automation across systems
  • Mentor junior developers and promote best engineering practices
  • Participate in code reviews and enforce high standards of quality
  • Collaborate with researchers and traders to translate requirements into robust software
  • Contribute to continuous improvement of development processes and tooling
Key requirements
  • BSc (or higher) in Computer Science or a related scientific discipline
  • Strong recent experience with C# and the latest .NET platform
  • 5+ years of professional software development experience
  • Solid experience with SQL Server, Oracle, or equivalent relational databases
  • Strong understanding of object-oriented design principles and software architecture
  • Experience building production-grade, scalable systems
  • Fluency in English with excellent written and verbal communication skills
  • High attention to detail and a thorough, analytical mindset
  • excellent written and verbal communication
  • high attention to detail
  • thorough analytical mindset
  • C# and .NET (latest platform)
  • SQL Server (or Oracle)
  • object-oriented design and software architecture

Reference: WJ-747_31160581

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