Senior Frontend Engineer (React and TypeScript)

We are seeking a highly skilled Senior Frontend Engineer to join a high-impact team working on a large-scale, enterprise-level application. This is an urgent requirement for a professional who can hit the ground running and contribute to a complex React-based ecosystem.

The Project You will be working on a large-scale React application that demands high performance, scalability, and maintainable code. The project is currently in a critical phase of growth, requiring a developer who understands the nuances of managing complex state and architectural integrity in a massive codebase.

Core Requirements Expertise in React: 5+ years of experience building and scaling large frontend applications. TypeScript Mastery: Strong proficiency is essential; you should be comfortable with advanced types and ensuring type safety across the application. Senior-Level Experience: A proven track record of making architectural decisions and solving complex technical challenges. English Proficiency: Strong verbal and written communication skills are required for seamless collaboration within an international team environment. Immediate Availability: We are looking for someone who can start ASAP.

Key Responsibilities Develop and maintain high-quality features using React and TypeScript. Collaborate with the existing team to ensure code consistency and architectural best practices. Optimize the application for maximum speed, scalability, and a seamless user experience. Participate in code reviews and provide technical leadership to maintain high engineering standards.

What We Offer Professional Environment: Work on a challenging, large-scale product alongside other senior-level talent. Flexibility: While we have an urgent timeline, we value efficiency and professional autonomy. Medical Insurance in Ukraine and Multisport program in Poland. Offices in Ukraine (Kyiv, Kharkiv) and Poland (Wroclaw) or Remote. Paid vacation, sick leaves, and official holidays. Legal & Accounting services. The company provides all necessary equipment. English classes and Education reimbursement.

Note on Application: As we need to fill this role immediately, candidates with immediate or near-immediate availability will be prioritized.