Overview

We’re working with a leading, technology-driven trading organisation with a global presence, seeking a Senior Software Engineer to join their platform engineering team. This is an opportunity to work on cutting-edge systems that process data at scale, powering decision-making in fast-moving global markets.

Our client is a diversified principal trading firm operating across multiple asset classes, financial instruments, and emerging sectors.

Key Skills & Experience

• 3+ years’ experience in platform-level software engineering
• Strong computer science fundamentals (degree or equivalent experience)
• Proven expertise in Java, Python, or other modern programming languages
• Experience working with large-scale, high-volume data systems
• Strong problem-solving and analytical skills
• Comfortable collaborating with distributed, global teams

The Role

• Build tools to enable rapid market opportunities and enhance trading operations
• Partner closely with analysts, quants, and traders to understand their needs and deliver intuitive, self-service solutions
• Design and develop systems for large-scale data acquisition, processing, storage, and visualisation
• Contribute to a platform that consolidates technologies and data to accelerate research and trading strategies
• Continuously refine and extend global platform capabilities while adapting to evolving business priorities

What we’re looking for

• Are passionate about solving complex problems with elegant solutions
• Care deeply about user experience and system reliability
• Enjoy experimenting with emerging technologies and tools
• Value writing clean, modular, and maintainable code
• Are excited to learn more about financial markets and trading systems
• Observability tools (Splunk, Prometheus, Grafana)

Why Apply?

This is a fantastic opportunity to join a high-performance engineering team in a business that invests heavily in technology and talent. You’ll work in a culture that values impact over process, encourages experimentation, and supports continuous learning.

Location: London (Hybrid, flexible working available)

Seniority level

• Mid-Senior level

Employment type

• Full-time

Job function

• Information Technology, Engineering, and Finance

Industries

• Financial Services, Engineering Services, and Information Services