Fullstack Software Engineer (Fintech)

TL;DR

Fullstack Software Engineer (Fintech): Building and optimizing a real-time, multi-asset trading platform with an accent on high-performance backend services and intuitive user-facing applications. Focus on developing core monitoring and control systems, ensuring system scalability, and collaborating with global trading and research teams.

Location: Must be based in or able to commute to London, UK (Hybrid)

Company

A highly successful quantitative trading firm operating at the heart of global financial markets.

What you will do

• Develop high-performance applications using C# and .NET.
• Build and improve a real-time, multi-asset trading platform.
• Design intuitive user experiences using modern frontend technologies.
• Take ownership of core monitoring and control systems.
• Collaborate with trading, engineering, and research teams to deliver technical solutions.
• Drive engineering best practices across development, testing, and deployment.

Requirements

• Commercial software engineering experience.
• Strong knowledge of C# or another strongly typed language such as Java, Kotlin, C++, or Rust.
• Experience with JavaScript and modern frontend frameworks such as React or Angular.
• Comfortable working across both backend and frontend development.
• Experience building scalable, high-performance applications.
• Strong problem-solving and communication skills.

Nice to have

• Interest in financial markets or quantitative trading.

Culture & Benefits

• Work in a world-class quantitative trading environment.
• Engage with highly complex, business-critical technology.
• High levels of ownership and technical autonomy.
• Collaborative engineering culture with exceptional colleagues.
• Excellent salary and benefits package.