Senior Front-End Engineer — Real-Time 3D & AI-Ready UI

HCL Technologies Limited; Hoboken (NJ); On-site; USD 130,000 - 190,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Pharmacy benefits

Life insurance

AD&D

Disability insurance

Employee assistance program

401(k) retirement plan

Paid time off

Paid holidays

Job summary

HCLTech is seeking a senior Front-end Engineer to own complex React Three Fiber features, including 3D equipment, real-time visuals, and a robust UI around them.

You will optimize rendering for low-end devices, manage large state with Zustand, and champion accessibility with keyboard navigation and ARIA. Collaboration with AI agents and a 3D artist will be essential to maintain code quality and asset integration.

Qualifications

• Senior-level React with deep understanding of modern React patterns and performance.
• Experience with Three.js/React Three Fiber for 3D rendering.
• Strong accessibility implementation including keyboard navigation and ARIA.

Responsibilities

• Build and own complex React Three Fiber features with real-time visuals.
• Profile and tune render loops to maintain performance on low-end hardware.
• Maintain coherent application state using Zustand at scale.
• Prioritize accessibility as a core requirement (WCAG AA).
• Decompose work for AI agents, review outputs critically, and ensure safety and consistency.

Skills

Senior-level React

React Three Fiber

Accessibility

Performance optimization

State management at scale

TypeScript

Testing

AI tooling awareness

Tools

Three.js

React Three Fiber

Zustand

Vite

Job description

HCLTech is seeking a senior Front-end Engineer to own complex React Three Fiber features, including 3D equipment, real-time visuals, and a robust UI around them.

You will optimize rendering for low-end devices, manage large state with Zustand, and champion accessibility with keyboard navigation and ARIA. Collaboration with AI agents and a 3D artist will be essential to maintain code quality and asset integration.