Main tasks: creating new functionalities to the existing system fixing bugs in existing functionalities creating unit tests cooperation with team members (dev/QA) Required skills: Previous experience working as a React.js Developer (Min 3 yrs.) In-depth knowledge of JavaScript, CSS, HTML. Experience with user interface design. Experience with popular React.js workflows (such as Redux). Experience with common front-end development tools such as Babel, Webpack, NPM, etc. Familiarity with RESTful APIs. Familiarity with browser-based debugging and performance testing software. A knack for benchmarking and optimization. Experience with code versioning tools. Ability to understand business requirements and translate them into technical requirements. Our benefits: Private medical care and multisport card Flexible working hours (you can start between 8:00 -10:00 a.m.) Your choice of computer: Mac OS/Linux/Windows Upskilling budget English classes Parking space Fresh fruit and juices every week Integration events Employee recommendation program. 🟢 The office is based in Kraków. We work at least 2 days from the office a week. 🟢 The process consists of 3 stages. We recruit remotely :)