Direct contract Salary is negotiable 100% Remote Advanced English is mandatory. **Senior Frontend Engineer React** What You’ll Do ●     Develop, test, and deploy high-quality, user-facing features and applications using React and TypeScript. ●     Build scalable and maintainable frontend architectures, including reusable component libraries and design systems. ●     Collaborate closely with Product Managers, UX Designers, and backend engineers to translate complex requirements and detailed designs into reality. ●     Proactively optimize web applications for maximum speed, performance, accessibility, and cross-browser compatibility. ●     Mentor junior engineers, lead by example in code quality, and drive best practices in testing (e.g., Jest, React Testing Library, Cypress). ●     Drive technical decision-making, contribute to the team's frontend roadmap, and help shape the future of our user interfaces. ●     Consume and collaborate on the design of REST and GraphQL APIs. What You'll Need ●     5+ years of professional frontend development experience, with a significant focus on React. ●     Deep expertise in JavaScript/TypeScript and the modern React ecosystem (e.g., Hooks, Context, Redux/Zustand). ●     Strong understanding of HTML5, CSS3, and modern styling patterns (e.g., CSS-in-JS, Tailwind, CSS Modules). ●     Experience with frontend build tools (e.g., Vite, Webpack), package management (npm/yarn), and CI/CD pipelines. ●     A strong passion for user experience, performance, and building intuitive, accessible interfaces. ●     Excellent communication and collaboration skills. ●     Experience with GraphQL (consuming APIs, e.g., Apollo Client) is a strong plus. ●     Experience leveraging modern IDEs and AI-assisted development tools (e.g., Cursor, GitHub Copilot) to accelerate development cycles. Employment type: Full-time Salary: Starting from $70,000.00 per month Application question(s): * What is your level of English proficiency? * How many years of Senior-level React experience do you have? Work location: Remote