
React.js Developer
at "A start-up focusing on next-gen disruptive technologies"
Position: React Js Developer
Location: Chennai
Job Specification
- Research, design, implement and manage front end applications Integrating and testing with Restful APIs.
- Identify the areas for modification in existing programs and subsequently developing these modifications
- Writing and implementing efficient code Determining operational practicality
- Work in an agile team Maintaining and upgrading existing systems.
- Delivering a complete front end application from scratch or extending existing application
- Proficiency in React JS and React Native is a must ensure high performance on Mobile and desktop. Writing high quality JavaScript, HTML and CSS.
- Work experience in creating progressive and responsive web applications ensures the best possible performance, quality and responsiveness of the web application.
- Identify and correct bottlenecks and fix bugs.
- Familiarity with RESTful APIs to connect to back-end services and data parsing using XML, JSON.
- Thorough understanding of the responsibilities of the platform, database API, caching layer, proxies and other web services used in the system.
- Configuration, build and test scripts for Continuous Integration environments. Proficiency in Git.
If you posses the above mentioned required skill sets & want to grow along with our fast paced growing Organisation then please share your updated CV.

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Job Title: React.js Developer
We are seeking a talented React.js Developer to build and maintain high-quality web applications. The ideal candidate should have strong experience in JavaScript/TypeScript, React.js, HTML, CSS, and state management (Redux/Context API). You will work closely with our team to develop responsive UIs, integrate APIs, and ensure performance optimization.
Requirements:
- 2+ years of experience in React.js development
- Strong knowledge of JavaScript (ES6+), React hooks, and component-based architecture
- Familiarity with RESTful APIs, Git, and modern front-end tools
- Bonus: Experience with Next.js, Tailwind, or testing frameworks
We are seeking a passionate and skilled React Engineer with over 1 year of experience to join our team. The ideal candidate will have hands-on experience building dynamic and responsive web applications using React.js. This role requires a strong understanding of front-end development principles and the ability to deliver high-quality, scalable solutions in a collaborative environment.
Key Responsibilities:
- Develop, maintain, and optimize web applications using React.js.
- Create reusable and modular components to ensure consistency and efficiency in development.
- Collaborate with designers and backend developers to implement user-friendly features.
- Debug and troubleshoot application issues to enhance performance and user experience.
- Integrate APIs and manage state effectively using tools like Redux, Context API, or React Query.
- Ensure responsive design and cross-browser compatibility for seamless user experiences.
- Write clean, well-documented, and maintainable code.
- Stay up-to-date with the latest React and front-end development trends.
Core Proficiency:
- Strong understanding of JavaScript (ES6+).
- Proficiency in React.js and its core principles, including JSX, hooks, and lifecycle methods.
- Experience with state management libraries like Redux, Context API, or React Query.
- Proficiency in styling in the component.
- Familiarity with Tailwind CSS for efficient UI development and responsive design.
- Experience with CSS-in-JS libraries like Styled-Components or Emotion is a plus.
- Familiarity with Next.js for server-side rendering (SSR), static site generation (SSG), and routing capabilities.
- Hands-on experience integrating RESTful APIs or GraphQL into React applications.
- Proficient in Git for version control and collaborative development.
- Basic understanding of testing frameworks like Jest, React Testing Library, or Cypress.
- Understanding of code splitting, lazy loading, and performance optimization techniques.
It is an app platform (Android & iOS) that offers discovery, trials and purchase of lifestyle brands across multiple categories like beauty and grooming, food and beverages, health and wellness, fragrances, smart technology, accessories, services and experiences targeted towards the upper middle class.
What shall be expected of you:
● Be responsible for the core UI framework, and implement and maintain it.
● Responsible for the development of the front-end applications and
components.
● Coordinate with the backend engineers & designers for requirement
gathering of the product.
● Responsible for quality assurance including web usability, accessibility,
testing and debugging.
● Build reusable code and libraries for future use.
You must have:
● 2-5 years of prior hands-on experience in building responsive web
interfaces for consumers.
● Strong development experience in the following technologies (HTML,
CSS, Javascript, AJAX, working with REST APIs)
● Front end frameworks/libraries such as ReactJS, and Redux.
● Ability to translate product requirements into functional code.
● Ability to estimate the scope of work for sprint planning.
● Self-motivation and ability to work in a small team with minimal
supervision.
Would be awesome if you are also good at:
● SEO and page speed optimization.
● Web standards, Responsive design, and cross-browser compatibility,
Accessibility.
● Additional web technologies like Angular, Vue JS, Next JS etc.
● Must be fluent in writing code in ES6+ along with linters. ● CSS
preprocessor - SCSS/ LESS
🌟 About Us:
We create AI solutions for hospitals, combining scientific rigor with startup agility.
iON Health's SmartAI is an AI-powered tool developed to help clinicians interact with a patient's medical record using natural language, transforming how healthcare providers access and synthesize clinical data
Founded by serial entrepreneurs with more than 15 successful exits, we offer the opportunity to work alongside elite engineers, clinicians, and product innovators to improve the health of millions of patients each year.
🎯 What We’re Looking For:
- 7+ years of experience with React.js (front-end) and Node.js/Express (back-end).
- Solid understanding of relational and NoSQL databases (e.g., PostgreSQL, MongoDB).
- Experience with cloud platforms (AWS/GCP/Azure) and CI/CD pipelines.
- Comfort working in fast-paced, ambiguous environments with high ownership.
- Prior experience in AI/ML, healthcare, or enterprise software.
- Must Have: Bachelors in Engineering from IIT/NIT/IIIT or similar institutions.
- Good to have: Experience in AI focused startups, early-stage teams, or as a founding engineer.
🛠 What You’ll Do:
- Design, develop, and deploy scalable web applications across the stack (front-end + back-end).
- Collaborate with founders, designers, and other engineers to take features from concept to production.
- Write clean, maintainable, and efficient code using [React.js, Node.js, TypeScript, or your tech stack].
- Work on database design and API development (REST/GraphQL).
- Optimize applications for maximum speed and scalability.
- Contribute to architectural decisions and set up best practices for the team.
- Be hands-on with debugging, testing, and performance tuning.
💡 Why Join Us?
- Work alongside elite engineers, clinicians, and product innovators
- Competitive salary + equity options (you’ll grow as the company grows)
- Fast decision-making and zero bureaucracy
- Shape the future of AI in healthcare
- Drive UI/UX & design aspects of the platform Innovate on UX to provide the best possible experience to the customer
- Convert UI design wireframes to functional UI (HTML/CSS/JS)
- Build high performant UI features
- Optimise existing features for better performance
- Build reusable code and libraries for future use
- Complete the assigned features with validations
- Should take end-to-end ownership and pride in building assigned features
- Collaborate across the teams to define, design, and ship new features
- Budget work and stick to the deadlines
- Requirements
- 3+ years of experience as a front-end developer
- At least one product built and published
- Proven experience in building/or been a lead contributor in a tech set-up
- Strong analytical and structural thinking skills
- Passion to build beautiful, responsive and performant user experiences
- Strong understanding and fundamentals in Javascript & JQuery
- Proficient in React.js, material design concepts, UI/UX best practices and design standards
- Willing to work on pure Javascript based projects as well as React.js based projects
- Proficient understanding of cross-browser compatibility issues and their solutions.
- Proficient in HTML5 CSS3
- Proficient with CSS preprocessors LESS and SASS
Job Description
Experience should have minimum 2 years.
Proficient with ReactJS/Redux
Designing and developing user interface solutions for websites, web and Mobile applications.
Design product and website layouts, assets, flows, sitemaps etc.
Create and maintain UI guidelines and templates.
Extensive knowledge of web technologies and building large scale web applications.
Expertise in JavaScript, HTML5 and CSS3 and Adoptive / Responsive web Design & Cross browser experience.
Expertise with cross-browser, cross-platform, and design constraints on the web.
Interact with other team members to incorporate innovations and vice versa.
Experience in working with Agile Methodology.
Ability to solve problems creatively and effectively.
Should possess excellent communication skills.
Bachelor’s Degree required, preferably in Computer Science or related field
3+ years of Experience working on React.js and its core principles
Experience with popular React.js workflows (such as Flux or Redux)
Experience with cloud based technologies like AWS
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
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, SVN, and Mercurial)
- 4-10 years experience
- Strong React, TypeScript, JavaScript
- Experience with NextJS and Material UI
- Experience with popular React.js workflows (such as Flux or Redux)
- Demonstrated mastery of HTML, CSS & JavaScript (ES6+)
- Good understanding of HTML, CSS, Javascript, jQuery, Bootstrap3/4, JSON & AJAX.
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- Experience in Graph implementation
- Thorough understanding of React.js and its core principles; Familiarity with RESTful APIs.
- Knowledge of modern authorization mechanisms, such as JSON Web Token
- Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
- Experience in Blob data implementation with Javascript
- Familiarity with RESTful APIs
- A knack for benchmarking and optimization
- Familiarity with code versioning tools









