React.js Developer

Qcentrio; Bengaluru; On-site; INR 2,600,000 - 4,200,000; Full time

Job summary

Qcentrio in Bengaluru seeks an experienced React.js (Redux) Developer with 8+ years of front-end expertise to build scalable web applications using React.js, Redux, HTML, CSS and JavaScript.

You will design responsive interfaces, optimize performance, and collaborate with cross-functional teams including UX/UI designers. Strong Redux patterns and modern JS practices are essential, along with mentoring junior developers and conducting code reviews.

Qualifications

• 8+ years of front-end development experience.
• Proficient in React.js and Redux.
• Experience with RESTful APIs and asynchronous data handling.
• Strong debugging, profiling, and performance optimization skills.
• Familiarity with modern front-end tooling (Webpack, Babel).

Responsibilities

• Develop and maintain high-quality, scalable web apps using React.js and Redux.
• Collaborate with UX/UI designers to implement intuitive user interfaces.
• Ensure UI/UX designs are technically feasible and deliver robust solutions.
• Optimize performance through code reviews and refactoring.
• Manage state with Redux and handle asynchronous actions (Thunk/Saga).
• Write clean, reusable code with modern JavaScript (ES6+).
• Ensure cross-browser compatibility and responsive design.
• Integrate with RESTful APIs and third-party services.
• Use Git for version control and collaboration.
• Mentor junior developers and participate in code reviews.

Skills

React.js

Redux

HTML5

CSS3

JavaScript (ES6+)

Redux-Saga/Redux-Thunk

Hooks

RESTful APIs

Cross-browser compatibility

Git

Unit Testing (Jest/RTL/Enzyme)

Debugging/Performance

Tools

Webpack

Babel

Job description

Job Summary

We are seeking an experienced React.js (Redux) Developer with 8+ years of experience in front-end development. The ideal candidate will have expertise in building scalable web applications using React.js, Redux, HTML, CSS, and JavaScript. You will be responsible for designing and implementing responsive user interfaces, optimizing application performance, and collaborating closely with cross-functional teams.

Key Responsibilities

• Develop and maintain high-quality, scalable, and responsive web applications using React.js and Redux.
• Collaborate with UX/UI designers to implement intuitive and visually appealing user interfaces.
• Ensure the technical feasibility of UI/UX designs and provide solutions to complex development challenges.
• Optimize application performance through code reviews, refactoring, and implementing best practices.
• Manage state using Redux and work on advanced asynchronous data handling (e.g., Redux-Thunk, Redux-Saga).
• Write clean, maintainable, and reusable code using modern JavaScript (ES6+) standards.
• Implement cross-browser and cross-platform compatibility solutions using HTML5, CSS3, and responsive design principles.
• Integrate RESTful APIs and third-party services into the front-end application.
• Utilize version control systems like Git for code collaboration and management.
• Mentor junior developers and actively participate in technical discussions and code reviews.
• Stay updated with the latest industry trends, frameworks, and tools to ensure continuous improvement.

Required Skills

• Strong proficiency in React.js and Redux with a minimum of 5 years of hands-on experience.
• In-depth knowledge of HTML5, CSS3, JavaScript (ES6/ES7), and modern front-end development practices.
• Experience with advanced Redux patterns (e.g., Redux-Saga, Redux-Thunk).
• Strong understanding of component-based architecture, hooks, and functional programming.
• Experience in building responsive and cross-browser compatible user interfaces.
• Proficiency in debugging, profiling, and optimizing web applications.
• Hands-on experience integrating with RESTful APIs and handling asynchronous requests.
• Knowledge of CSS preprocessors (e.g., SASS, LESS) and modern styling frameworks.
• Familiarity with Webpack, Babel, and other front-end build tools.
• Experience with Unit Testing using frameworks like Jest, React Testing Library, or Enzyme.
• Excellent problem-solving skills, attention to detail, and ability to work independently.