Full-Stack Python Developer - mthree in City of London

We’re seeking a talented Full Stack Python Developer to join our growing technology team at a leading investment bank. You’ll play a key role in designing and building a greenfield application from the ground up that will monitor and analyse the performance of trading systems.

This is a unique opportunity to architect and implement a high-impact tool that provides real-time insights into trading system health, stability, and efficiency, directly influencing our front-office operations.

What You’ll Do

• Lead the full-stack development of a new tool to track and report trading system status and performance.
• Develop robust backend services in Python running in a Linux environment.
• Build a sleek and responsive ReactJS front end for real-time data visualisation and user interaction.
• Collaborate closely with traders, DevOps, and infrastructure teams to understand system requirements and performance metrics.
• Design efficient data pipelines and APIs to gather and analyse large volumes of system data.
• Ensure scalability, security, and resilience across the application stack.
• Contribute to development best practices and help shape long-term technical strategy.

What We’re Looking For

• Strong experience with Python for backend development.
• Solid knowledge of ReactJS for front-end applications.
• Hands-on experience working in a Linux-based environment.
• Proven track record building full stack applications in a professional setting.
• Experience working on greenfield projects or product development from scratch.
• Familiarity with performance monitoring, system metrics, or trading infrastructure is a plus.
• Comfortable working in fast-paced environments with cross-functional teams.