Senior React & TypeScript Front-End Engineer

HTC Global; Madison (WI); On-site; USD 120,000 - 160,000; Full time

Job summary

HTC Global Services seeks a Senior Front-End Engineer to craft production web applications using React and TypeScript. You will focus on scalable component design, state management, accessibility, and performance optimization across features, APIs, and UI architecture.

You will collaborate with product, design, and QA to deliver maintainable, high-quality user experiences—building tests, optimizing bundles, and ensuring accessibility per WCAG standards.

Qualifications

• 5+ years of building production web apps.
• 3+ years with React and TypeScript.
• Expertise in performance and accessibility practices.
• Experience with API integration and testing.

Responsibilities

• Build and maintain production web apps using React and TypeScript.
• Develop reusable components with hooks, context, and design patterns.
• Optimize rendering, lazy loading, and frontend performance.
• Manage state with Redux Toolkit and React Query.
• Create multi-step forms with schema-based validation.
• Integrate REST APIs, manage lifecycles, caching, and errors.
• Build UI with MUI, Emotion, and theming.
• Write tests with Jest and RTL; mock APIs with MSW.
• Ensure accessible interfaces with semantic HTML and keyboard support.
• Collaborate with product/design/QA; participate in CI/CD gates.
• Debug production issues via logs and monitoring.

Skills

React

TypeScript

Hooks & Context

Performance optimization

Accessibility

Testing

CI/CD & Git workflows

Communication

Browser profiling

State management

Tools

Redux Toolkit

React Query

react-hook-form

yup/zod

MUI

Emotion

Webpack

Babel

MSW

Jest

React Testing Library

Git & CI/CD tooling

Lighthouse tooling

Job description

HTC Global Services seeks a Senior Front-End Engineer to craft production web applications using React and TypeScript. You will focus on scalable component design, state management, accessibility, and performance optimization across features, APIs, and UI architecture.

You will collaborate with product, design, and QA to deliver maintainable, high-quality user experiences—building tests, optimizing bundles, and ensuring accessibility per WCAG standards.