React.js Developer

About the Role

We are looking for a Front-End JavaScript Developer who has a strong grasp of core JavaScript and fundamental computer science principles. This role is ideal for someone who enjoys solving complex problems, can quickly adapt to new technologies, and is comfortable reading and implementing solutions from technical documentation.

As part of our team, you will develop high-quality, efficient, and scalable front-end solutions while working closely with designers and back-end engineers. A deep understanding of JavaScript (not just frameworks) is key for this role.

Responsibilities

• Develop and maintain front-end applications using vanilla JavaScript and modern ES6+ features.
• Work with HTML, CSS, and JavaScript to build interactive, responsive, and high-performance user interfaces.
• Read and interpret technical documentation to integrate APIs, optimize performance, and implement new functionalities.
• Debug and troubleshoot front-end issues efficiently.
• Collaborate with back-end developers and designers to ensure seamless integration of UI/UX.
• Write clean, maintainable, and well-documented code following best practices.
• Stay up-to-date with advancements in web development and emerging technologies

Requirements

• Strong understanding of JavaScript (ES6+), closures, event loops, async/await, fetch api and functional programming concepts.
• Solid grasp of computer science fundamentals, including data structures, algorithms, and object-oriented programming (OOP).
• Experience with HTML5, CSS3, and modern styling techniques (e.g., Flexbox, Grid, SASS, Tailwind).
• Ability to read and implement features based on technical documentation and specifications.
• Proficiency in working with RESTful APIs and handling JSON data.
• Familiarity with DOM manipulation, performance optimization, and browser debugging tools.
• Experience with Git/GitHub and version control workflows.
• Strong problem-solving skills and ability to learn quickly in a fast-paced environment.

Nice to Have (Bonus Skills)

• Experience with WebAssembly (WASM), WebSockets, or Service Workers.
• Familiarity with TypeScript.
• Understanding of compilers, interpreters, and low-level programming concepts.
• Experience with build tools like Webpack, Rollup, or Vite.
• Knowledge of testing frameworks like Jest or Mocha.
• Exposure to performance profiling and memory management in JavaScript.

Why Join Us?

• Work on challenging and impactful projects that require deep problem-solving.
• Opportunity to learn and grow in a fast-paced, tech-driven environment.
• A team that values engineering excellence, core computer science, and continuous learning.
• Competitive salary, benefits, and a culture that fosters innovation.

If you re passionate about JavaScript and love solving technical challenges, we’d love to hear from you!

Responsibilities

• Developing new user-facing features using React.js
• Building reusable components and front-end libraries for future use
• Translating designs and wireframes into high-quality code
• Optimizing components for maximum performance across a vast array of web-capable devices and browsers

Skills:

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• Thorough understanding of React.js and its core principles
• Experience with popular React.js workflows (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
• Knowledge of modern authorization mechanisms, such as JSON Web Token
• Familiarity with modern front-end build pipelines and tools
• Ability to understand business requirements and translate them into technical requirements
• A knack for benchmarking and optimization
• Familiarity with code versioning tools (such as Git, SVN, and Mercurial)

We're looking for a Front-end Developer who is able to develop interactive, user-friendly

interfaces which are AMAZING and AESTHETIC in design, appearance, architecture, and compatibility. You will work on a diverse set of unique and challenging projects that allow user to seamlessly interact with technology.

Work Details:

● Deliver best-in-class HTML5/CSS3 front-end code across a broad array of interactive

web and mobile projects

● Excellent eye for layout and ability to translate PSD files into pixel perfect HTML/CSS

code. SASS is a plus.

● Experience with modern JavaScript libraries and frameworks in any of them (React,

Angular or Vue)

● Proficiency working with RESTFUL APIs is a plus

● Intimate knowledge of cross-browser and cross-device development

● Ability to write high-performance, reusable code for UI components, including

appropriate testing

● Some experience in object-oriented programming.

● Strong problem solving, troubleshooting, & analysis skills.

● Familiarity with Linux/Unix environment

● Keen to learn, mentor and willingness to take ownership of work items

● Some experience with distributed version control systems, such as Git

Requirements

● Bachelor’s degree in Computer Science or a related field, or equivalent professional

experience

● Experience working with agile teams and making rapid decisions in a dynamic and

disruptive environment

● 3+ years of relevant software development experience

● Strong communication skills

Responsibilities:

• Developing new user-facing features using JavaScript framework React JS.
• Building reusable components and front-end libraries for future use.
• Translating designs and wireframes into high-quality code which works across platforms.
• Optimizing components for maximum performance across a vast array of web-capable devices and browsers.
• Should be able to take initiatives and ownership and build the products from scratch.
• Maintain code and write automated tests to ensure the product is of the highest quality.

Requirements:

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
• Thorough understanding of React.js, JavaScript, HTML, CSS 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.
• Knowledge of functional and object-oriented programming.
• 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, Webpack, NPM, etc.
• Ability to understand business requirements and translate them into technical requirements.
• A knack for benchmarking and optimization.
• Familiarity with code versioning tools such as GIT.

About CercleX:-

CercleX is a digital technology platform which is a leading https://cerclex.com/blog/waste-management-in-tamil-nadu/">waste management company in Tamilnadu  with an extended outlook of circularity through its various ventures into the field of sustainability.

We have received FICCI Impactful Cleantech Startup Award, MeitY Emerging Startup Award, TVS Capital Budding Nxt Gen Entrepreneur Award, and many more for our digital solutions enabling transactions between waste generators, and aggregators, processors, and bringing in complete transparency, traceability to the waste ecosystem.

https://play.google.com/store/apps/details?id=com.scrapmarketCCX">Cercle X ScrapMarket is an app that helps you buy and sell scrap by connecting 100% verified buyers and sellers of scrap across India.CercleX  helps brands to accomplish their sustainability targets with https://cerclex.com/extended-producer-responsibility/">Extended Producer responsibility and research solid waste managemet on the environment to ensure the environment is eco free.

• Experience in developing apps using Reactjs with Redux, React hooks, react-router with Javascript ES6

• Developing new user-facing features using React.js

• Integrate APIs with frontend components using React.js

• Ensuring user experience determines design choices.

• Developing features to enhance the user experience.

• Striking a balance between functional and aesthetic design.

• Ensuring web design is optimized for smartphones.

• Building reusable code for future use.

• Optimizing web pages for maximum speed and scalability.

• Utilizing a variety of markup languages to write web pages.

• Maintaining brand consistency throughout the design.
  
  

• Degree in computer science or related field.

• Understanding of key design principles.

• Proficiency in React.js,HTML, CSS, JavaScript, and jQuery.

• Understanding of server-side CSS.

• Experience with graphic design applications such as Adobe Illustrator.

• Experience with responsive and adaptive design.

Job Requirements :

- Advanced Javascript, CSS, HTML 5, Sass, Less, JSON, DOM Concepts

- Candidate should have 2-3 years of regular working experience.

- Must have expertise in React js, Redux, node js, ExpressJS MongoDB, MySql, NoSQL Flux,

javascript html5 core concepts.

-Fluent in responsive design and mobile / tablet UI / UX, HTML5, CSS3 along with

bootstrap

-UI Performance: should have hands-on experience of optimizing page load, rendering,

caching.

- Familiarity and experience with Container architecture - Docker/Jenkins and build scripts,

help maintain code quality, organisation, and automation

- Must have done multiple projects using React js, Redux, node js, and MongoDB with

Cross browser/device compatibility.

-Working Knowledge of common Javascript Libraries such as jQuery.

-Working understanding of Webpack, Babel & other pre-processing tools.

-Good Understanding of REST Apis

-Good understanding of AJAX and its UI implications

- Good knowledge of events handling in client-side and server-side.

- Good knowledge of code versioning tools, such as Git/bitbucket

- Good logical and mathematical programming skills with good communication skills.

- At Least 2-3 live projects

- NodeJS knowledge is a plus

-Good hands-on experience with ES6 & knowledge of the upcoming syntax of ECMAScript.

-Huge plus if you have experience in working with state management libraries like Redux, MobX etc. in React.js.

*Only Immediate Joiners


DESCRIPTION
We are looking for a great Frontend developer who is proficient with React.js. Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux). You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important.

RESPONSIBILITIES

• Developing new user-facing features using React.js
• Building reusable components and front-end libraries for future use
• Translating designs and wireframes into high quality code
• Optimizing components for maximum performance across a vast array of web-capable devices and browsers

REQUIREMENTS

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• 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
• Familiarity with RESTful APIs and sockets
• 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, Webpack, NPM, etc.
• Ability to understand business requirements and translate them into technical requirements
• A knack for benchmarking and optimization
• Familiarity with code versioning tools
• Experience with PWAs and React Native is a huge plus

React Native Developer with iOS  experience - 6 months contract.

Required Experience : 2+ Years

Job Requirements :

- A solid knowledge of JavaScript,HTML&CSS & React Native

- Experience in native iOS and Android development

- Knowledge of functional or object-oriented programming

- Familiarity with native build tools, like XCode, Gradle Android Studio, IntelliJ

- Understanding of REST APIs

Note : This is a 6 months contract position directly under the client payroll.