C# & React Developer

Vertus Partners; Greater London; On-site; GBP 60,000 - 80,000; Full time

Job summary

A global investment management firm in London is seeking a Full Stack Developer to join their core engineering group. This role involves designing and maintaining applications that provide real-time insights into trading activity. The ideal candidate will have strong C# development skills and experience with React. Familiarity with financial markets and data visualization platforms is a plus. This position offers the opportunity to work in a dynamic environment that supports research and trading at scale.

Qualifications

• Strong C# development experience, particularly in Back End services.
• Working knowledge of Python alongside C#.
• Frontend experience with React, including MUI and AG-Grid.

Responsibilities

• Develop end-to-end applications using C# and React.
• Build analytics and visualization tools for quantitative researchers.
• Integrate data from various trading and research systems.

Skills

C# development

Python knowledge

React experience

SQL skills

Production systems experience

Job description

Full Stack Developer (C#/React)

A global, technology led quantitative investment manager is hiring a Full Stack Developer to join its core engineering group in London. The firm trades systematically across all major liquid asset classes and relies heavily on high quality software, data pipelines, and analytics to support research and trading at scale.

This role sits close to the investment process and focuses on building production grade tools used daily by quantitative researchers, analysts, and portfolio teams.

What You'll Be Working On

You'll help design, build, and maintain systems that provide Real Time and end-of-day insight into trading activity and strategy performance across the firm.

Key responsibilities

• Developing end-to-end applications using C# on the Back End and React on the Front End
• Building analytics, reporting, and visualisation tools consumed by hundreds of quantitative researchers
• Integrating data from multiple internal trading and research systems
• Designing scalable, maintainable services that operate in a high-throughput, low-latency environment
• Owning production workflows, monitoring, and ongoing system improvements
• Continuously evolving the platform to support new asset classes, strategies, and research requirements
• Applying a systematic, engineering-driven approach to problem solving in a complex domain

Essential skills

• Strong C# development experience (Back End services, APIs, data processing)
• Working knowledge of Python (used alongside C# in the research and analytics stack)
• Frontend experience with React, ideally including MUI, AG-Grid, and ECharts
• Solid SQL skills and experience working with large datasets
• Experience working with production systems and shared codebases

Nice to have

• Exposure to financial markets, trading systems, or quantitative environments
• Experience building analytics or data-visualisation platforms
• Familiarity with performance-sensitive or distributed systems

Please submit your CV immediately in order to be considered for this role