JavaScript (React, Typescript)/ Mashup Developer

The position is for a client in the financial sector, located in Kraków, Poland, with a hybrid work model (2 days in office, 3 days remote).

• 10+ years of experience with ReactJs 16.x or above
• Hands-on experience with AI tools for development (GitHub CoPilot, Claude)
• Strong experience with TypeScript and ES6
• Strong experience with D3.js and AG-Grid library
• Excellent knowledge of React Hooks, React Redux, and middleware like thunk
• Proficient in HTML5, CSS3, Bootstrap, and Media Query
• Experience with Material-UI or React-specific UI libraries
• Strong understanding of Enigma Js and WebSocket
• Experience integrating Qliksense API with React
• Good experience with unit testing using Jest and Enzyme
• Experience with Module Federation using Webpack
• Strong experience with Axios and fetch for API calls
• Experience using Jira, Jenkins, and Ansible for automated deployments
• Experience with GitHub or other source code control and release software
• Ability to identify and fix security vulnerabilities in code
• Knowledge of MI reporting platforms
• Fluency in English (spoken and written)

• Develop and maintain React applications using ReactJs 16.x or above
• Utilize AI tools like GitHub CoPilot and Claude for development tasks
• Implement features using TypeScript and ES6
• Work with D3.js and AG-Grid libraries
• Use React Hooks, React Redux, and middleware such as thunk
• Develop UI components with HTML5, CSS3, Bootstrap, Material-UI, and React-specific UI libraries
• Integrate Qliksense API with React layer and work with WebSocket
• Perform unit testing using Jest and Enzyme
• Build generic UI components
• Implement Module Federation using Webpack
• Use Axios and fetch libraries for API calls
• Employ Jira, Jenkins, and Ansible for automated deployments
• Manage source code and releases using GitHub or similar tools
• Identify and fix security vulnerabilities in code
• Work with MI reporting platforms