JavaScript / Mashup Developer

Summary

We are seeking a highly experienced Mashup Developer with a minimum of 10 years of expertise in ReactJS (16.x or above). The ideal candidate must demonstrate strong proficiency in Typescript, ES6, and AI tools such as GitHub Copilot. A solid foundation in D3.js, AG-Grid, and integrating Qliksense API with React is crucial. This role demands innovative problem-solving skills and the ability to create user-friendly interfaces.

What we offer

• Hybrid 6 days per month (flexible) from Warszawa or Kraków
• Rate: 180 PLN/H + VAT
• B2B Contract

Main Responsibilities

• Develop robust applications using ReactJS and integrating various components.
• Utilize AI tools for efficient development and coding practices.
• Implement state management using React Redux and middleware.
• Construct generic UI components for various applications.
• Integrate Qliksense API with the React layer seamlessly.
• Ensure high-quality code through unit testing frameworks.
• Work collaboratively in an Agile environment utilizing tools like Jira and Jenkins.
• Identify and address security vulnerabilities in the code.

Key Requirements

• Minimum 10 years of experience in ReactJS (16.x or above).
• Hands-on experience with AI developer tools (e.g., GitHub Copilot).
• Strong expertise in Typescript and ES6.
• Experience with D3.js and AG-Grid.
• Solid knowledge of React Hooks and Redux.
• Proficient in HTML5, CSS3, and Bootstrap with media query exposure.
• Strong understanding of Material-UI or similar React UI libraries.
• Experience with Websockets and Enigma JS.
• Familiarity with Qlik API integration.
• Experience with unit testing using Jest and Enzyme.

Nice to Have

• Experience with Axios and Fetch for API calls.
• Exposure to Module Federation using Webpack.
• Knowledge in utilising Jira, Jenkins, and Ansible for automated deployments.
• Familiarity with security vulnerability identification and remediation.
• Understanding of MI reporting platforms.