Hiring: Front End Engineer Company: Millennium Location: New York, NY Job Posted Time: 2026-09-16 18:08:43 Target Skills & Keywords : Capital Markets, Elasticsearch, JWT, Java, JavaScript, LLM, Node.js, REST, React, Risk Management, Rust, SQL Server, SSE, Spring Boot, TypeScript, User Experience, WebSocket About the job Experience: •5+ years of professional experience building web applications with JavaScript/TypeScript •5+ years with React in production, including substantial experience with hooks, functional components, and modern patterns Required Skills: •Design, build, and maintain React-based user interfaces that power core trading application workflows •Implement real-time data visualizations for orders, prices, positions, and other key metrics using streaming technologies such as WebSockets •Turn product requirements and stakeholder feedback into intuitive, efficient, and scalable user experiences, rapidly prototyping and iterating on new features •Optimize front-end performance, responsiveness, and reliability across complex, data-intensive screens •Partner with backend engineers to integrate REST and WebSocket APIs, as well as WebAssembly-based components •Write clean, testable, well-structured code supported by unit and integration tests •Provide best practices around code reviews, front-end architecture decisions, and developer-level production support for the front-end components •Prototype, iterate, and support front-end components in production to ensure a high-quality user experience Qualifications: •Bachelor’s degree in Computer Science or a related field •Strong knowledge of modern JavaScript (ES6+), HTML5, and CSS3 •Demonstrated capacity to leverage LLM-assisted tools (e.g., code assistants) effectively in the development workflow •Good communication skills and ability to collaborate directly with non-technical stakeholders •Front-end: React 18, TypeScript, AG Grid, Ant Design, WebSockets, WASM •Back-end: Node.js, Java Spring Boot (used to bundle/serve the front-end — familiarity is a plus, not required), Rust Compensation: •$175,000 - $250,000 / year •Competitive benefits and rewards package •Millennium offers a total compensation package which includes a base salary, discretionary performance bonus, and comprehensive benefits Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!