Senior Software Developer
Job in
Greater London, London, Greater London, W1B, England, UK
Listed on 2026-03-02
Listing for:
Spectrum IT Recruitment
Full Time
position Listed on 2026-03-02
Job specializations:
-
Software Development
C# / Unity Developer, Senior Developer, Software Engineer, Backend Developer
Job Description & How to Apply Below
Excellent opportunity for a Senior Software Developer to play a key role in architecting, developing, and enhancing our clients in-house trading and research systems.
This is an opportunity to work on greenfield projects, influence architectural decisions, and directly impact systems that support real-world trading strategies.
As a senior member of the team, you will contribute both technically and strategically, helping shape development standards, performance optimisation, and system scalability.
You will primarily work within a C# / .NET / SQL Server / ASP.NET ecosystem, developing high-performance, reliable, and maintainable applications.
Key Responsibilities- Design, develop, and maintain high-performance applications in C# and .NET
- Lead architectural discussions and contribute to 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 closely with researchers and traders to translate requirements into robust software solutions
- Contribute to continuous improvement of development processes and tooling
- 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
- Experience in multi-threaded and concurrent application development
- Network programming experience (TCP/UDP)
- Experience with distributed version control systems (Git)
- Strong understanding of Windows technologies
- Exposure to financial markets or trading systems
Position Requirements
10+ Years
work experience
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