Staff Frontend Engineer, High-Impact React/TypeScript

United States Digital Space LLC; United States; Hybrid; USD 120,000 - 180,000; Full time

Job summary

The World's Identity Company is seeking a senior frontend engineer to join the First Party Apps Platform team. You will design and implement high-impact web features, focusing on secure, scalable user experiences across devices.

With 5+ years of frontend work, you will collaborate with product, design, and backend teams to deliver maintainable React/TypeScript applications, champion best practices, testing, and accessibility.

Qualifications

• 5+ years of professional frontend development experience building complex web applications.
• Strong expertise in React and its core concepts, hooks, and state management.
• Proficiency in TypeScript and modern JavaScript (ES6+).
• Solid understanding of HTML5 and CSS3.
• Experience with front-end tooling (Webpack, Babel, Vite) and package managers (Yarn).
• Experience consuming RESTful APIs and testing with Jest/RTL/Playwright.
• Version control with Git and collaborative workflows.
• Strong responsive design and accessibility practices.
• Excellent problem-solving and communication skills, with cross-functional collaboration.

Responsibilities

• Lead the 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 and coding standards.
• Optimize applications for speed, scalability, and responsiveness across devices and browsers.
• Contribute to the evolution of frontend architecture for long-term scalability and maintainability.
• Participate in code reviews to ensure quality and provide constructive feedback.
• Identify and address technical debt, performance bottlenecks, and areas for improvement.
• Stay up-to-date with frontend trends and evaluate new tools and approaches.
• Champion a culture of continuous improvement and technical excellence.

Skills

5+ years frontend experience

React

TypeScript

JavaScript (ES6+)

HTML5

CSS3

Webpack

Babel

Vite

RESTful APIs

Testing (Jest, React Testing Library,

Git

Responsive design

Accessibility

Problem-solving

Communication

Team collaboration

Education

Bachelor's degree in Computer Science or equivalent experience

Tools

Webpack

Babel

Vite

Job description

The World's Identity Company is seeking a senior frontend engineer to join the First Party Apps Platform team. You will design and implement high-impact web features, focusing on secure, scalable user experiences across devices.

With 5+ years of frontend work, you will collaborate with product, design, and backend teams to deliver maintainable React/TypeScript applications, champion best practices, testing, and accessibility.