Senior Frontend Engineer - React/TypeScript (Hybrid)

United States Digital Space LLC; United States; Hybrid; USD 120,000 - 150,000; Full time

Job summary

The World’s Identity Company is seeking an experienced web frontend engineer to join the First Party Apps Platform team. You will build secure web experiences for end-user authentication and access using React and TypeScript across scalable frontend features.

You will collaborate with product managers, UI/UX designers, and backend engineers, write well-tested code, optimize performance, and contribute to frontend architecture.

Qualifications

• 5+ years of professional frontend experience building complex web apps.
• Deep expertise in React, including hooks, lifecycle, and state management.
• Proficiency in TypeScript for robust, maintainable codebases.
• Strong knowledge of HTML5, CSS3 and modern JavaScript (ES6+).
• Experience with Webpack, Babel, Vite, and Yarn.
• Experience consuming RESTful APIs.
• Familiarity with testing frameworks (Jest, RTL, Playwright).
• Git for version control.
• Responsive and accessible UI development.
• Excellent collaboration across cross-functional teams.

Responsibilities

• Lead design and development of complex, high-performance features using React and TypeScript.
• Collaborate with product managers, UI/UX designers, and backend engineers to translate requirements into frontend solutions.
• Write clean, modular, well-tested, and maintainable code, adhering to best practices.
• Optimize applications for speed, scalability, and responsiveness across devices and browsers.
• Contribute to evolution of frontend architecture for long-term scalability.
• Participate in code reviews, providing feedback and ensuring quality.
• Identify and address technical debt and performance bottlenecks.
• Stay up-to-date with frontend trends; evaluate new tools and approaches.
• Champion a culture of continuous improvement, innovation, and technical excellence.

Skills

React

TypeScript

REST APIs

HTML5/CSS3

Testing

Git

Responsive design

Accessibility

Problem-solving

Communication

Education

Bachelor’s degree in Computer Science or equivalent experience

Tools

Webpack

Babel

Vite

Yarn

React Testing Library

Jest

Playwright

Git

Job description

The World’s Identity Company is seeking an experienced web frontend engineer to join the First Party Apps Platform team. You will build secure web experiences for end-user authentication and access using React and TypeScript across scalable frontend features.

You will collaborate with product managers, UI/UX designers, and backend engineers, write well-tested code, optimize performance, and contribute to frontend architecture.