JavaScript (React, Typescript)/ Mashup Developer

Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, it employs around 150 professionals delivering a full range of services including specialist and executive recruitment, employee outsourcing, HR consulting, employer branding, and market research. The company combines deep industry expertise with functional specialisation to provide tailored solutions for companies in every sector, acting as a trusted partner for both employers and candidates.

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

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