TymblHub

© 2026 TymblHub

Senior React JS Developer / Team lead

Posted on
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Experience
10 - 20 yrs
Job Location
Kolkata, India
Vacancy
1
Designation
Senior React JS Developer
Job Type
ONSITE

Job Description

  • We are looking for skilled React.js full stack developers to join our front-end development team
  • In this role, you will be responsible for developing and implementing user interface components using React.js concepts and workflows such as Redux, Flux, and Web-pack
  • You will also be responsible for profiling and improving front-end performance and documenting our front-end codebase
  • You will work as part of a team to design and develop high-quality software solutions for web applications and mobile apps using React As a React.js developer, you will implement new features and maintain existing code using React and other standard tools in the React ecosystem
  • Your duties will include designing software solutions to meet project requirements, maintaining and refactoring existing code, writing tests, and fixing bugs

Roles and Responsibilities:

  • Meeting with the development team to discuss user interface ideas and applications.
  • Reviewing application requirements and interface designs.
  • Developing and implementing highly responsive user interface components using react concepts.
  • Writing application interface codes using JavaScript following react.js workflows.
  • Troubleshooting interface software and debugging application codes.
  • Developing and implementing front-end architecture to support user interface concepts.
  • Building reusable components and front-end libraries for future use.
  • Optimizing components for maximum performance across a vast array of web-capable devices and browsers.
  • Documenting application changes and developing updates.
  • Install and configure server environments for React deployments.
Requirements
  • An understanding of common programming paradigms and advanced React principles, such as React components, hooks, and the React lifecycle.
  • Strong proficiency in JavaScript and Typescript, including DOM manipulation and the JavaScript object model, CSS, HTML and front-end languages.
  • Thorough understanding of React.js and its core principles.
  • Experience with popular React.js workflows (such as Flux or Redux).
  • Familiarity with newer specifications of EcmaScript.
  • Experience with data structure libraries (e.g. Immutable.js).
  • Knowledge of isomorphic React is a plus
  • Familiarity with RESTful APIs, GraphQL APIs.
  • Knowledge of modern authorization mechanisms, such as JSON Web Token.
  • Familiarity with modern front-end build pipelines and tools.
  • Experience with common front-end development tools such as Babel, Web-pack, NPM, etc.
  • Ability to understand business requirements and translate them into technical requirements.
  • A knack for bench-marking and optimization.