React.js Developer

Ideal Candidate

8+ years of experience in front-end development, with at least 3–5 years in technical/architectural leadership roles across web and mobile platforms.

Expert in React.js and React Native, with hands-on experience designing and building scalable, modular applications using modern front-end frameworks and reusable component libraries.

Strong geospatial capabilities—proven experience integrating and optimizing mapping solutions (e.g., Google Maps, HERE Maps) with features like routing, clustering, and overlays.

Mobile-first mindset, with deep knowledge of responsive UI design, performance optimization for low-bandwidth environments, and cross-platform compatibility.

Architectural expertise in modular design, micro-frontends, SSR/SSG, PWAs, and cross-platform solutions—ideally with experience in monorepo environments and BFF patterns.

Technical leadership skills, including mentoring developers, enforcing best practices, driving autonomous development, and aligning technical solutions with business needs.

CI/CD & DevOps familiarity—strong understanding of build tools (Webpack, Vite, Metro), containerization (Docker), and deployment automation using Jenkins, GitLab CI, etc.

Security, accessibility, and testing focus—capable of implementing WCAG-compliant UIs, secure data handling, and robust test strategies using tools like Jest, Cypress, Detox, and Appium

We are looking for a skilled and motivated React Developer with 5–8 years of hands-on experience to join our growing team in Chennai. The ideal candidate should have strong proficiency in front-end development using React.js, with a solid understanding of modern web technologies, best practices, and Agile methodologies. Experience with Ember.js is also required.

Key Responsibilities:

• Develop and maintain scalable web applications using React.js and Ember.js.
• Build reusable components and front-end libraries for future use.
• Translate UI/UX designs and wireframes into high-quality, responsive code.
• Optimize components for maximum performance across a wide range of devices and browsers.
• Collaborate closely with UI/UX designers, backend developers, and product managers.
• Participate in code reviews, testing, and debugging activities.
• Stay updated with the latest trends and best practices in front-end development.

Required Skills:

• Strong proficiency in JavaScript, HTML5, and CSS3.
• Hands-on experience with React.js, including Redux and React Hooks.
• Experience with Ember.js in production-grade applications.
• Familiarity with RESTful APIs and integrating frontend with backend services.
• Experience using front-end build tools and workflows (e.g., Webpack, Babel, NPM).
• Good understanding of version control systems like Git.
• Exposure to Agile development methodologies and practices.

Responsibilities:

● Develop and maintain front-end dependencies/codebase.

● Building responsive and elegant mobile & desktop web applications

● Good to have experience of one or more relevant languages (Python, Ruby, Node.js etc.)

● Work closely with the product manager, designer & development team to collaborate to develop the best in class web applications.

● Optimisation of the website as per industry trends.

● Evaluate competitive and innovative products and design approaches to identify best practices and encourage innovation.

Skills:

● Hands on experience in JavaScript / TypeScript

● Experience in modern web development technologies and techniques, including HTML5, CSS3.

● Experience in any of the frameworks: ReactJs/ Angular / VueJs.

● Experience in translating design mockups and prototypes into frontend applications.

● Experience in effective componentization/abstraction during design translation.

● Experience in effective state management strategies like redux and hooks to scale application better.

● Understands how to optimize the delivery of code and assets (e.g., images, fonts) to a browser or device (e.g.,lazy loading assets, using CDNs caching, compression, etc)

● Understands how to be efficient with resource usage (e.g., application impact on memory and CPU, caches as needed, respectful of customer's device limits etc).

● Good understanding and hands on with PWA (AMP is good to have).

● Good knowledge of version control systems.

● Good understanding of any of the following frontend frameworks, bootstrap, material-UI, semantic-UI.

● Ability to provide deliverables within specified deadlines with a quality bar.

● Excellent communication skills, both written and verbal

● Highly motivated, self-driven, self-learner

● Experience in flutter is good to have.

Desired Experience

3+ years

Job Description

What You’ll Do

• Taking an active role in architecting the solutions we build
• Designing and implementing web applications using JavaScript and its frameworks (i.a. React, Vue, Angular), HTML5 and CSS3
• Working closely with the dispersed development team, client, and project manager in SCRUM methodology
• Ensuring that programming practices and code quality are respected
• Supporting other engineers with your expertise when needed (knowledge sharing)
• Leading your colleagues’ growth and development

What you bring to the table

• 3+ years of Experience with React. Good to have a working knowledge of React Native, Angular, VueJS
• Strong expertise with HTML, CSS, and writing cross-browser-compatible code.
• Good understanding of AJAX and JavaScript DOM manipulation Techniques
• Experience with RESTful services
• Experience in JavaScript build tools like grunt or gulp
• Hands-on and implements complex React modules
• Able to implement automated testing platforms and unit tests
• Understanding of fundamental design principles behind a scalable application
• Proficient understanding of code versioning tools (Git)
• Critical thinker and problem-solving skills

Bonus if you have…

• Experience with Angular2+ and Node
• Experience with AWS or GCP infrastructure
• Curiosity about new languages, libraries, frameworks
• Contributions to open-source projects
• Experience with Selenium, or Jest or similar front end test frameworks

• 3-5 years of experience developing and implementing software applications.
• Previous experience working as a React.js Developer.
• Knowledge in e-Commerce domain will be a plus.
• In-depth knowledge of JavaScript, CSS, HTML and front-end languages.
• Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
• Experience with REST API's 
• In-depth understanding of Javascript, the DOM, and relevant concepts.
• Knowledge of modern authorization mechanisms, such as JSON Web Token. 
• Experience with user interface design.
• Proficient understanding of cross-browser compatibility issues and ways to work around them.
• Experience with browser-based debugging and performance testing software.
• Proficient understanding of code versioning tools, such as Git, Github.
• Excellent troubleshooting skills.

Cignex Datamatics is looking for talented people like you. Please let me know if you are looking for a job change.

CDTL are the pioneers in the field of open source, we believe in creating value to our customers by providing them with innovative solutions. We have been doing some wonderful reference able work with the fortune 500 companies with great feedback and experience received from them. Talk about Allianz, EA, CA, UBM, IHG, Maersk, Renesas, etc., All have enjoyed working with us. We provide solutions using cutting edge technologies to all areas in Portal, content management, Big Data, ecommerce and are expanding in a lot of new and emerging areas.

We would want you to be associated with us to experience & enrich the joy of working in a growing company of the size of almost 500 employees as of now, with this you not only are noticeable but also get the opportunity to implement your ideas and make a mark in this growing organization, and you get to enjoy being one of the early founding members of the organization.

Below is the JD for the position we are hiring.

Desired Skills:

▪ Design, build and configure applications to meet business processes and application requirements

Work Experience:

▪ Must have a minimum of 7+ yrs of IT experience with min 4+ years of hands on experience in web technologies

▪ Good Knowledge on front end website architecture

▪ Must have experience in react.js (svelte, stencil) or similar frameworks

▪ Work experience html, CSS, JavaScript. 

▪ Experience of Node JS would be good.

▪ Hands on Design experience in API ( REST / SOAP) and integrating API’s with UI

▪ Good understanding of Modern web component development

▪ Good communication & presentation skills

▪ Must be able to work independently

If above position suits your interest, then share the following details:

Current CTC:
Expected CTC:
Notice period(15days or immediate joiner) Y/N :
Experience in UI development(in years):
Experience in React.js (in years):
Experience in HTML, CSS, Javascript (in years):
Experience in API (Rest / SOAP) in years :

Thanks & Regards,
Anshuman Baghel

Job Role:

• Build pixel-perfect, buttery smooth UIs across both mobile platforms.

• Leverage native APIs for deep integrations with both platforms.
• Diagnose and fix bugs and performance bottlenecks for performance that feels native.

• Maintain and write clean code to ensure the product is of the highest quality.

Technical Skill :