React Developer

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

We are looking for a highly skilledReact/Front-End Developerwith deep expertise in building responsive, high-performing web applications. The ideal candidate will have extensive experience with modern front-end technologies, testing frameworks, and CI/CD practices, along with a strong understanding of the entire web stack.

Key Responsibilities:

• Design and developresponsive, scalable, and high-performing UI componentsusingReact and TypeScript.
• Writeclean, maintainable, and efficient codefollowing best practices.
• Implement and maintainunit and integration testsusing libraries such asJest, React Testing Library, and Enzyme.
• Optimize web applications forspeed, scalability, and performance, including server-side considerations.
• Collaborate with backend teams to ensure seamless integration across the full web stack.
• Work withCI/CD pipelinesto automate build, test, and deployment processes.
• Participate in code reviews and provide mentorship to junior developers.

Required Qualifications:

• 6–8 yearsof hands‑on experience withReactandTypeScript.
• 6–8 yearsof experience withtesting librarieslikeJest, React Testing Library, Enzyme.
• 6–8 yearsof experience inresponsive UI design and development.
• Strong experience in writingclean, high-quality, scalable code.
• 5+ yearsof experience across thefull web stack, including protocols and web server optimization techniques.
• 5+ yearsof experience withCI/CD pipelinesand related tools.

Preferred Skills:

• Familiarity with modern build tools (Webpack, Vite, etc.).
• Knowledge of performance monitoring and optimization techniques.
• Strong problem‑solving and debugging skills.
• Excellent communication and collaboration abilities.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.