Millennium Management

UI Engineer

Bangalore, Karnataka, India March 20, 2026 Greenhouse
UI Engineer

We are a high-impact and fast-paced infrastructure team looking for a passionate UI Engineer to focus on building and enhancing our next-generation chatbot platform. Our mission is to create products that are not only intuitive but significantly boost the productivity of our users. You'll be responsible for creating intuitive, responsive, and high-performance user interfaces that power AI-driven conversations and enable a a wide range of supporting features and plugins. This is a unique opportunity to not only join one of the leading hedge funds in the world, but to provide leadership on the core AI Tool used by every aspect of the business daily.

Key Responsibilities:

  • Design and implement responsive, accessible user interfaces using Typescript and Next.js

  • Build and maintain scalable front-end architecture

  • Collaborate with UX designers and backend engineers to create seamless chat experiences

  • Optimize application performance and loading times

  • Write and maintain comprehensive end-to-end tests using Playwright

  • Contribute to technical architecture decisions and best practices

  • Work within an agile team environment to deliver features on schedule

Required Qualifications:

  • 5+ years of professional experience in front-end development

  • Strong proficiency with React and Next.js

  • Expert knowledge of modern TypeScript, HTML5, and CSS3

  • Experience with modern CSS practices

  • Experience with automated testing, particularly Playwright or similar E2E testing frameworks

  • Strong understanding of front-end performance optimization techniques

  • Experience with version control systems (Git) and CI/CD pipelines

  • Excellent problem-solving and communication skills

Preferred Qualifications:

  • Experience with state management solutions eg, Zustand, RxJS, MobX

  • Experience with real-time applications and WebSocket implementations

  • Previous work on chat interfaces or conversational UI

  • Knowledge of AI/ML concepts and integration patterns

  • Understanding of UX/UI principles and best practices

  • Mobile application development with React Native or similar.

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How to Get Hired at Millennium Management

  • Millennium Management is a $70B+ multi-strategy platform hedge fund with over 330 independent investment teams, making it one of the largest and most diversified alternative asset managers in the world.
  • The pod-based structure means each team operates semi-independently with its own P&L, creating an entrepreneurial environment within institutional infrastructure.
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