Senior React & TypeScript Frontend Engineer

Valiant Technologies LLC; Rhode Island; On-site; USD 100,000 - 150,000; Full time

Job summary

Valiant Technologies LLC is seeking a highly skilled React/Front-End Developer to build responsive, high-performing web applications. You will implement UI components in React and TypeScript, and collaborate with backend teams to integrate across the full stack.

The role emphasizes rigorous testing with Jest, RTL, and Enzyme, plus CI/CD practices to automate builds and deployments. You will mentor junior developers and participate in code reviews in a fast-growing environment in Rhode Island.

Qualifications

• 6–8 years of hands-on React and TypeScript experience.
• 6–8 years with testing libraries: Jest, RTL, Enzyme.
• 6–8 years in responsive UI design and development.
• 5+ years across full web stack and server optimization.
• 5+ years with CI/CD pipelines and tools.

Responsibilities

• Design and develop responsive, scalable, high-performing UI components using React and TypeScript.
• Write clean, maintainable, and efficient code following best practices.
• Implement and maintain unit and integration tests with Jest, RTL, and Enzyme.
• Optimize web applications for speed, scalability, and performance, including server-side considerations.
• Collaborate with backend teams to ensure seamless integration across the full web stack.
• Work with CI/CD pipelines to automate build, test, and deployment processes.
• Participate in code reviews and mentor junior developers.

Skills

React

TypeScript

Testing libraries

CI/CD

Responsive UI design

Full web stack

Tools

Jest

React Testing Library

Enzyme

Webpack

Vite

Job description

Valiant Technologies LLC is seeking a highly skilled React/Front-End Developer to build responsive, high-performing web applications. You will implement UI components in React and TypeScript, and collaborate with backend teams to integrate across the full stack.

The role emphasizes rigorous testing with Jest, RTL, and Enzyme, plus CI/CD practices to automate builds and deployments. You will mentor junior developers and participate in code reviews in a fast-growing environment in Rhode Island.