
Javascript Developer
Hybrid
London, United Kingdom
£ 110 / hour
Freelance
10-04-2025
Job Specifications
Contract - Senior JavaScript Developer (React/TypeScript) – Front Office Trading Platform
Location: London - 1-2 Days Per Week (Can be flexible)
Duration: 2 Years
Industry: Global Investment Bank
Daily Rate: £750 p/d Base Pay - £880 p/d PAYE
Overview:
Join a high-performing engineering team building a modern, real-time front-office trading platform for a global financial institution. This role focuses on delivering performant, modular, and scalable UI applications used in pricing and execution workflows.
Key Responsibilities:
Design, develop, and maintain complex SPAs using React and TypeScript.
Build real-time, event-driven UIs integrating with pricing and trading systems.
Own full software lifecycle: design, implementation, testing, deployment, and L2 support.
Collaborate with global teams (quants, product, backend, QA) in an Agile setup.
Contribute to architectural decisions, platform evolution, and best practices.
Tech Stack:
Core: JavaScript (ES6+), TypeScript, React, Redux, Webpack, CSS/SASS
Architecture: Modular SPA, Micro-Frontends, Event-Driven UIs
Protocols: REST, WebSocket
Tooling: Git, Jira, Confluence, CI/CD (Jenkins, Docker)
Bonus: RxJS, Java/Spring Boot, Kafka, Cassandra
You Have:
Strong knowledge of UI performance, design patterns, and testing.
Experience in low-latency or real-time systems.
Exposure to financial markets, trading platforms, or derivatives (preferred).
Strong communication, autonomy, and ownership mindset.
Bonus Points For:
Full-stack experience (Java backend)
Exposure to pricing engines, order management, or e-trading systems
Background in financial services or capital markets tech
We are committed to fostering a diverse and inclusive recruitment process. We actively seek talented individuals from all backgrounds, perspectives, and experiences.
About the Company
We are a global recruitment solutions company with four decades of experience. The idea of partnership is at the heart of everything we do at Sanderson. Working with clients and candidates alike, we deliver permanent or contract hires, executive search assignments, fully outsourced recruitment solutions, including RPO and MSP and deploy high-performing project teams. We strive to deliver with personality and a passion for service excellence. Our services are built on collaboration, understanding and flexibility. Our breadt... Know more
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