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  • React Developer - ASAP!
    New
    JS

    React Developer - ASAP!

    Warszawa
    6 057 - 7 111 USD/monthNet per month - B2B
    6 057 - 7 111 USD/monthNet per month - B2B
    Type of work
    Full-time
    Experience
    Senior
    Employment Type
    B2B
    Operating mode
    Hybrid

    Tech stack

      Polish

      B2

      English

      C1

      React

      advanced

      JavaScript

      advanced

      React testing library

      regular

      AG-Grid

      nice to have

      Redux Toolkit Query

      nice to have

    Job description

    Online interview

    As a React Developer, you will be working for our client, a major global financial institution. You will join a specialized team working on the user interface of a complex pricing application for structured financial products. The project focuses on uplifting the UI to modern standards while maintaining and gradually refactoring legacy components. You will collaborate closely with backend developers and strategists in a fast-paced, agile environment that values clean code, performance, and high usability.


    Your main responsibilities:

    • Develop and maintain frontend components for a complex pricing application
    • Collaborate with backend developers and product strategists to implement new UI features
    • Refactor and uplift legacy code to modern frontend standards
    • Apply strong programming principles to write scalable, maintainable code
    • Use React (with Hooks and Context API) and TypeScript to build interactive user interfaces
    • Implement responsive layouts using modern CSS/SCSS or CSS-in-JS
    • Work with module bundlers like Webpack and manage dependencies using npm
    • Participate in code reviews and testing to ensure high-quality deliverables
    • Integrate frontend components into CI/CD pipelines using GitLab or Jenkins
    • Contribute to UX discussions and continuously improve the usability of the application


    You're ideal for this role if you have: 

    • 5+ years of commercial frontend development experience
    • Strong proficiency in React (including Hooks and Context API) and JavaScript
    • Experience with TypeScript
    • Solid understanding of modern CSS methodologies and preprocessors (e.g., SCSS, CSS-in-JS)
    • Familiarity with design patterns and unit testing principles
    • Working knowledge of modern frontend workflows, including Webpack, npm, and CI/CD tools like GitLab or Jenkins


    Nice-to-Have Skills

    • Experience with Redux Toolkit QueryReact Query, or similar libraries
    • Experience building complex forms using form libraries for React
    • Familiarity with the Ag-Grid library
    • Understanding of good UX principles and accessibility


    6 057 - 7 111 USD/month

    Net per month - B2B

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