Sr. Frontend Developer (ReactJS) - 100% Remote - W2 only

Job Title: Sr. Frontend Developer (ReactJS)

Location: Remote

Duration: Long-term

Responsibilities

Tech Stack: React 18.2.0, TypeScript 5.9.2, Redux RTK, React Router Vitest Playwright
We are looking for a skilled Frontend Engineer with strong hands-on experience in React and TypeScript to build high-quality, scalable, and performant user interfaces. You will work closely with product design and backend teams to deliver seamless experiences while ensuring code quality, test coverage, and modern best practices.

Key Responsibilities

• Develop responsive, accessible, and high-performance UI components using React 18.2.0 and TypeScript 5.9.2
• Implement predictable state management using Redux Toolkit RTK and Redux best practices.
• Build and maintain application routing with React Router.
• Write reliable unit and component tests using Vitest, with familiarity with Playwright for end-to-end testing.
• Collaborate with cross-functional teams to translate requirements into high-quality features.
• Optimize rendering API interactions and overall frontend performance.
• Participate in code reviews, maintain clean architecture, and enforce coding standards.
• Troubleshoot UI issues and ensure a smooth user experience across devices and browsers

Required Skills and Qualifications

• Strong experience with React v18 and modern TypeScript
• Solid understanding of Redux, Redux Toolkit, and global state patterns
• Experience with React Router for SPA navigation and routing flows
• Proficiency with Vitest or other modern JavaScript testing frameworks
• Familiarity with Playwright for automated end-to-end testing
• Strong knowledge of ES6, HTML5 CSS3 and component driven architecture
• Experience integrating REST APIs or GraphQL services
• Ability to write clean, maintainable, and scalable code

Nice to Have

• Experience with CICD pipelines and Git-based workflows
• Knowledge of performance profiling and frontend optimizations

Skills

Mandatory Skills: Microservices, Python, React