React DeveloperWe are looking for a React Developer responsible for developing and maintaining modern web applications. You will work closely with our project team, analyze business requirements, and ensure high-quality code delivery through testing, code reviews, and the use of security tools. This role involves both developing new features and supporting production environments.About DevapoAt Devapo, we focus on continuous self-development and acquiring new knowledge. We build solutions leveraging various cloud platforms and utilize cutting-edge technologies to deliver innovative results. If you are a fast learner, want to participate in international projects, are a team player, and can work independently - join us!We provide our clients with more than just code - we want to equip them with tools that allow their businesses to flourish. Our clients' success is our success, which is why we ensure that everyone who creates Devapo has a long-term goal in mind. At Devapo, you'll have the opportunity to discuss your challenges and solutions with our team of experts, including experienced architects who are always ready to share their knowledge and guide you through complex technical decisions.Responsibilities: Developing front-end applications in React and collaborating with the project team Analyzing business requirements and translating them into technical solutions Ensuring code quality through unit testing, integration testing, code reviews, and vulnerability scanning Maintaining applications and providing production support Optimizing and updating software Participating in the automation of deployment processes Creating technical documentation Requirements: Minimum 4 years of commercial experience with React Strong proficiency in TypeScript Experience with modern state management solutions (Redux Toolkit, Zustand, Jotai, or similar) Knowledge of React Hooks and modern React patterns Experience in REST API integration Familiarity with testing tools (Jest, React Testing Library, Vitest) Experience with version control systems (Git) Knowledge of Clean Code principles and design patterns Ability to write unit and integration tests Nice to have: Experience with Next.js or other React frameworks Familiarity with reactive programming (RxJS) Experience with monorepo tools (Nx, Turborepo) Knowledge of styling libraries (styled-components, Emotion, Tailwind CSS) Experience with SSR/SSG Knowledge of accessibility principles (a11y) Experience with Docker Basic backend knowledge (Node.js, Java, Python) What We Offer: Salary: 90-130 PLN/h (B2B) Training and certification funding with learning opportunities during work hours Private medical care through Medicover Multisport benefits Language classes (English) Flexible working hours Team meetings and integration events Referral bonus for recommending new employees