JavaScript (React, Typescript)/ Mashup Developer

Why apply for an Antal job offer?

When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process.

About Antal

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, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research.

Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams.

Discover our latest job openings: https://en.antal.pl/candidates Follow us on LinkedIn: https://www.linkedin.com/company/antalpoland

For our Client we are looking for an experienced JavaScript (React, Typescript)/ Mashup Developer.

📍 Location : Kraków, hybrid work model – 2 days per week in the office, 3 days remote 🕒 Cooperation model: [Full-time / B2B] 📍 Project for our Client from the financial sector

Requirements

• 10+ years of experience on ReactJs 16.x or above
• Hands on experience of using AI tools (GitHub CoPilot, Claude etc.) for carrying out developer work
• Strong experience primarily on Typescript and ES6
• Strong Experience on D3 js
• Strong Experience on AG-Grid Library
• Strong knowledge on React Hooks, React Redux, middleware like thunk etc.
• Excellent knowledge of HTML5, CSS3, bootstrap (also should have exposure on Media Query)
• Should be able to work on Material-UI or React specific UI libraries
• Strong understanding on Enigma Js
• Strong Understanding on WebSocket’s
• Strong understanding of integrating Qliksense API with react layer
• Good to have experience in Qlik API Integration
• Good experience on Unit testing using Jest and Enzyme.
• Should be able to build generic UI component.
• Experience on Module Federation using Webpack
• Strong Experience on Axios, fetch like libraries for API Calling
• Experience of using Jira/Jenkins/Ansible for automated deployments
• GitHub or other automated source code control and release software
• Security Vulnerability identification and fixing them in code
• Knowledge of MI reporting platforms
• Fluency in English (both spoken and written)

Benefits

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Private medical care (Luxmed)

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Multisport card

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Collaborative team culture and modern tech stack