Senior Software Architect, Real-Time Market Data Platform

Fastmarkets; Greater London; On-site; GBP 70,000 - 90,000; Full time

Job summary

A global commodities information provider in Greater London is seeking a principal engineer to lead the development team. In this role, you will design scalable systems, deliver high-quality code, and mentor junior developers. The ideal candidate has extensive experience with C# and .NET, a strong understanding of distributed systems, and a passion for clean code. Join us in shaping the future of market data technology.

Qualifications

• Experience with C# / .NET Framework.
• Solid understanding of concurrent programming.
• Proficiency in Test-Driven Development.
• Experience building distributed systems.
• Strong communication skills.

Responsibilities

• Guide coding best practices within the team.
• Deliver high-quality, performant code.
• Provide mentorship for junior engineers.
• Contribute to technical direction.

Skills

C# / .NET Framework

Concurrent programming

Service Bus or Event Hubs

Test‑Driven Development

Building distributed systems

RESTful APIs

ASP.NET / Web development

SQL and NoSQL databases

Strong communication skills

Mentoring junior developers

Tools

.NET 8.0 or higher

Azure cloud services

Distributed caching technologies (Redis)

Job description

A global commodities information provider in Greater London is seeking a principal engineer to lead the development team. In this role, you will design scalable systems, deliver high-quality code, and mentor junior developers. The ideal candidate has extensive experience with C# and .NET, a strong understanding of distributed systems, and a passion for clean code. Join us in shaping the future of market data technology.