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 who deliver 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.

• Over 10 years of experience with ReactJs 16.x or above.
• Hands-on experience with AI developer tools like GitHub CoPilot and Claude.
• Strong proficiency in Typescript and ES6.
• Solid experience with D3 js and AG-Grid.
• Deep knowledge of React Hooks, React Redux, and middleware such as thunk.
• Excellent knowledge of HTML5, CSS3, and bootstrap, including Media Queries.
• Ability to work with Material-UI or React specific UI libraries.
• Strong understanding of Enigma JS.
• Strong understanding of WebSockets.
• Experience integrating Qlik API with React.
• Experience in unit testing with Jest and Enzyme.
• Ability to build generic UI components.
• Experience with Module Federation using Webpack.
• Familiarity with Axios and similar libraries for API calling.
• Experience using Jira, Jenkins, and Ansible for automated deployments.
• Familiarity with source control tools like GitHub.
• Ability to identify and fix security vulnerabilities in code.
• Knowledge of MI reporting platforms.
• Fluency in English, both spoken and written.

• Work on front-end development using React and Typescript.
• Utilize AI tools such as GitHub CoPilot and Claude for development tasks.
• Use React Hooks, React Redux, and middleware like thunk.
• Implement UI components with Material-UI or other React UI libraries.
• Integrate Qliksense API with the React layer.
• Develop using D3 js and AG-Grid libraries.
• Manage WebSocket connections.
• Perform unit testing using Jest and Enzyme.
• Use Module Federation with Webpack for micro frontends.
• Use Axios or fetch-like libraries for API calls.
• Employ continuous integration and deployment tools such as Jira, Jenkins, and Ansible.
• Use GitHub or other automated source control and release software.
• Identify and fix security vulnerabilities in code.