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.