Senior Front End Developer

We are seeking a talented senior developer to work with our teams in a leading global Tier 1 investment bank to join its London-based Equity Derivatives Pre-Trade Technology team.

This is a high-impact role where you'll help shape and deliver a strategic pre-trade Request-for-Quote (RFQ) and pricing platform used globally by Equity Derivatives and Delta One trading desks. You'll combine hands-on development with technical leadership, working closely with Front Office Sales, Trading, Quantitative Research and Technology teams to deliver business-critical solutions.

Essential functions

• Develop high-quality, scalable software following engineering best practices.
• Partner directly with traders, sales teams and quants to deliver innovative front-office solutions.
• Drive architecture, technical direction and system enhancements across the platform.
• Mentor developers and contribute to a high-performance engineering culture.
• Champion observability, automated testing and CI/CD best practices.
• Work within an agile, fast-paced environment delivering frequent releases.

Qualifications

• Extensive experience as a Senior Developer or Technical Lead.
• Strong front-end development expertise, particularly JavaScript and React.
• Proven experience building production-grade applications and distributed systems.
• Strong understanding of APIs, microservices and modern software architecture.
• Experience with automated testing, monitoring, observability and CI/CD pipelines.
• Excellent communication skills with the ability to engage directly with business stakeholders.

Would be a plus

• Experience within Equity Derivatives, Delta One, Electronic Trading or Front Office technology.
• Development of applications handling real-time market data, orders or trading workflows.
• Experience with cloud-native and containerised environments.
• Exposure to Kubernetes and microservices architectures.
• Familiarity with AI-assisted development tools and LLM-powered engineering workflows.