Front End Engineer

🏢 About Millennium

Millennium is a global, diversified alternative investment firm founded in 1989. The firm's active multi-manager model leverages sophisticated proprietary technology systems to deliver high-performance analytical and trading capabilities across global financial markets.

🎯 The Role

As a Front End Engineer on the Information Technology team, you will engineer and maintain ultra-responsive, low-latency user interfaces for front-office trading applications. You will collaborate closely with quantitative researchers, backend developers, and product managers to construct real-time data visualizations and complex trading workflows.

🛠️ Tech Stack

• Front-end: React 18, TypeScript, AG Grid, Ant Design, WebSockets, WebAssembly (WASM)
• State Management: Redux, Zustand
• Back-end: Node.js, Java Spring Boot, Rust
• Data / Storage: MS SQL, Elasticsearch

💼 What You'll Do

• Build scalable React-based web interfaces that power mission-critical trading applications.
• Construct real-time visualization components for prices, orders, positions, and risk metrics over WebSockets.
• Optimize web UI performance and render speed across complex data-heavy screens.
• Integrate RESTful endpoints, streaming interfaces, and WebAssembly modules into front-end apps.
• Enforce code quality through code reviews, automated unit testing, and architectural best practices.

✅ What You'll Need

• Bachelor's degree in Computer Science or equivalent experience.
• 5+ years of experience engineering modern web applications with JavaScript and TypeScript.
• 5+ years of production experience with React, functional components, hooks, and modern frontend patterns.
• Strong expertise in handling real-time streaming data (WebSockets, SSE) for charts, data grids, and dashboards.
• Proficiency in modern state management solutions such as Redux or Zustand.

🌟 Nice to Have

• Domain familiarity with capital markets, fixed income, P&L, position tracking, or risk metrics.
• Experience leveraging LLM-assisted developer tooling in daily engineering workflows.
• Basic familiarity with backend environments like Node.js or Java Spring Boot.