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Senior Frontend Developer ReactJS

Compunnel Inc.New York, NY🇺🇸United StatesPosted 1 Sept 2026

Why This Role Stands Out

This hybrid Senior Frontend Developer role offers a fantastic opportunity to craft scalable, high-performance user interfaces using cutting-edge React and TypeScript, with a strong emphasis on code quality and modern best practices. You'll thrive here if you're a proactive developer who enjoys collaborating with cross-functional teams and driving impactful user experiences. Don't miss out on the chance to grow your skills and contribute to exciting projects!

Quick Overview

Seniority
Mid Senior
Work mode
Hybrid
Location
New York, NY, United States
Posted
22 hours ago
AgileGitGraphQLJavaScriptPlaywrightRESTReactReduxTypeScriptVitest

Job Description

Job Summary We are seeking a skilled Senior Frontend Developer with strong hands-on experience in React and TypeScript to build high-quality, scalable, and performant user interfaces. The ideal candidate will work closely with product, design, and backend teams to deliver seamless user experiences while maintaining strong code quality, test coverage, accessibility, and modern frontend development 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 using React Router. Write reliable unit and component tests using Vitest. Develop and support end-to-end testing using Playwright. Collaborate with cross-functional teams to translate requirements into high-quality features. Optimize rendering, API interactions, and overall frontend performance.

Participate in code reviews and maintain clean, scalable frontend architecture. Enforce coding standards and modern development best practices. Troubleshoot UI issues and ensure a consistent user experience across devices and browsers. Integrate REST APIs and GraphQL services into frontend applications. Required Qualifications Strong experience with React 18 and modern TypeScript. Solid understanding of Redux, Redux Toolkit, and global state management 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, and CSS3. Strong understanding of component-driven architecture. Experience integrating REST APIs or GraphQL services. Ability to write clean, maintainable, scalable, and high-quality code.

Preferred Qualifications Experience with CI/CD pipelines and Git-based development workflows. Knowledge of frontend performance profiling and optimization. Experience working in Agile development environments.

Certifications Education: Bachelors Degree

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