Senior React/TypeScript Developer @ Antal

2 weeks ago

Kraków, Czech Republic Antal Full time

5+ years of commercial experience in frontend development Strong proficiency in React and TypeScript Solid experience with TanStack Query and Zustand Deep understanding of JavaScript (ES6+), HTML5, and CSS3 Experience with REST API integration and automated testing Familiarity with Git and version control workflows Focus on performance, UX, and maintainability Excellent communication and problem-solving skills Nice to have: Experience with TanStack Router, Form, and Table Familiarity with zod for schema validation Exposure to enterprise-scale applications Senior React/TypeScript Developer Rate: 180–220 PLN/h B2B | Location: Kraków | Hybrid: 6 office days/month We're looking for a Senior React/TypeScript Developer to join a mature engineering team working on a large-scale financial platform. The role involves building scalable, well-tested, and maintainable frontend applications using modern technologies. Benefits: Private medical care (Luxmed) Multisport card Collaborative team culture and modern tech stack ,[Develop new features in React/TypeScript with attention to performance and scalability, Maintain and improve existing components and modules, Integrate with RESTful APIs and manage state using TanStack Query and Zustand, Write unit and integration tests (Jest, React Testing Library), Participate in code reviews and contribute to architectural decisions, Collaborate with backend developers, designers, and QA engineers, Ensure code quality, accessibility, and responsiveness, Stay current with frontend trends and propose improvements] Requirements: React, TypeScript, TanStack Query , Zustand, JavaScript, HTML5, CSS, REST API, Automated testing, Git, UX, TanStack Router, Form, Table

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