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Full-Stack Trading Engineer - (Execution Technology) - Selby Jennings

Selby JenningsLondon🇬🇧United KingdomPosted 16 Oct 2026

Quick overview

SeniorityMid Senior
Employment typeFull Time
Work modeHybrid
LocationLondon, United Kingdom
Posted1 week ago
Generative AI

Job description

What You'll Be Doing

  • Building and enhancing front-end trading and workflow applications using React, TypeScript and Java.
  • Developing and maintaining backend services supporting order routing, execution workflows and trading infrastructure.
  • Partnering closely with quantitative research, execution and trading teams to deliver new functionality and platform enhancements.
  • Helping scale a global execution platform across multiple regions and asset classes.
  • Integrating the platform with external counterparties, brokers and internal systems.
  • Leveraging modern AI development tools and agentic workflows to accelerate development, testing and code quality.
  • Contributing to a highly collaborative engineering culture focused on innovation and continuous improvement.

What We're Looking For
  • 4-6 years of software engineering experience.
  • Strong full stack development skills.
  • Commercial experience with React and TypeScript.
  • Strong object-oriented programming fundamentals.
  • Experience building backend services in Java.
  • Experience with electronic trading, execution systems, market making, broker algorithms or financial technology.
  • Exposure to AI-assisted software development tools such as Claude Code, Codex, Cursor or similar.
  • Curiosity, strong problem-solving ability and a genuine passion for technology.

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