React.JS Lead at Whetstone Cyber Solutions · Chennai · 8 - 13 years · ₹15L - ₹20L / yr · Posted 17 Sep 2026

Title: React.js Lead Developer (Svelte Js experience would be a plus) Location: ChennaiMode:
Onsite - Work from OfficeType:
ContractDuration: Long term
We are looking for an experienced Technical Lead – Frontend Engineering with strong expertise in React.js and Svelte.js to lead the design and development of scalable, high-performance web applications. The ideal candidate will be a hands-on technical leader who can drive frontend architecture, guide engineering teams, establish development standards, and collaborate closely with product, UX, backend, and architecture teams.
- Requirements: A minimum of 7+ years of experience in software/frontend application development.
- Strong hands-on development experience with React.js.
- Strong hands-on development experience with Svelte.js and/or SvelteKit.
- Advanced proficiency in JavaScript ES6+ and TypeScript.
- Solid experience of HTML5, CSS3, SCSS, Responsive Web Design, and Modern frontend development practices
- Strong experience developing reusable UI components and component libraries.
- Experience with frontend state management solutions such as Redux, Redux Toolkit, Zustand, Context API, and Svelte Stores
- Experience integrating applications with REST APIs and/or GraphQL.
- Strong knowledge of asynchronous programming and API communication.
- Strong understanding of frontend application architecture and design patterns.
- Experience with Git-based source-control platforms.
- Experience with modern build and development tools such as Vite, Webpack, npm, Yarn, or pnpm
- Experience with unit and frontend testing frameworks.
- Strong debugging, troubleshooting, and performance optimization skills.

About Whetstone Cyber Solutions
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Frontend Developer (React + Expo) — Job Description
Experience: 6–12 Years
Type: Full-time
About the Role
We're looking for a talented Frontend Developer with React and Expo experience to join our product team. You'll own the frontend across web and mobile, crafting intuitive interfaces and seamless user experiences using a shared React codebase.
Key Responsibilities
- Build and maintain responsive web interfaces using React.js
- Develop cross-platform mobile experiences using React Native with Expo
- Translate Figma/design mockups into pixel-perfect, accessible UI components
- Manage application state using Redux, Zustand, or Context API
- Integrate REST APIs and GraphQL endpoints
- Ensure consistent performance and UX across browsers, iOS, and Android
- Participate in code reviews, sprint planning, and design discussions
Required Skills
- 6–12 years of frontend development experience
- Strong proficiency in React.js and React Native
- Hands-on experience with Expo (managed or bare workflow)
- Solid command of JavaScript / TypeScript
- Experience with CSS-in-JS, Tailwind CSS, or styled-components
- Familiarity with React Navigation or Expo Router
- Understanding of responsive design and mobile-first principles
- Experience consuming REST APIs
Nice to Have
- Experience with Next.js for web
- Knowledge of EAS Build and OTA updates
- Familiarity with animation libraries (Reanimated, Framer Motion)
- Basic understanding of CI/CD and app store deployments
What We Offer
- Competitive salary and equity
- Flexible remote-first work culture
- Learning & development budget
- Collaborative, low-ego team environment
Job Title:
Front-End UI Software Developer
📍 Location: CoKarma, Madhapur, Hyderabad
🕘 Work Mode: On-site (Monday to Friday)
🏢 Department: Product Engineering
About Telebu:
Founded in 2003, Telebu Communications is a 20+ year-old technology-driven, product-based company that helps enterprises build better relationships with their customers and employees. We offer cutting-edge communication tools across SMS, Voice, Video, and Chat via APIs, SDKs, and SaaS platforms.
With offices across India, the Middle East, and the US, we are committed to delivering seamless and scalable communication solutions to clients globally.
Role Overview:
We are looking for a Front-End UI Software Developer with a keen eye for detail, design sensibility, and technical proficiency. You’ll collaborate with UX designers and backend developers to bring stunning and intuitive interfaces to life for our communication products.
If you’re passionate about crafting clean, scalable, and responsive web interfaces — we’d love to meet you.
Key Responsibilities:
- Build and maintain responsive user interfaces using HTML5, CSS3, and JavaScript.
- Develop front-end features using React.js, Angular, or any modern front-end framework.
- Work closely with product designers and backend developers to implement sleek and user-centric UI designs.
- Optimize components for maximum speed and scalability.
- Ensure cross-browser compatibility and mobile responsiveness.
- Debug UI-related issues and improve application performance.
- Stay up to date with the latest UI/UX trends, front-end technologies, and coding practices.
Key Requirements:
- 1–3 years of experience in front-end development.
- Proficient in HTML5, CSS3, and JavaScript.
- Hands-on experience in React.js, Angular, or Vue.js.
- Experience with RESTful APIs and integrating UI with backend systems.
- Familiarity with version control tools like Git.
- Knowledge of UI frameworks like Bootstrap or Material UI is a plus.
- Strong understanding of responsive and adaptive design principles.
- Good communication skills and team spirit.
Perks & Benefits:
- 5-day work week (Monday to Friday)
- Dynamic work culture with exposure to global projects
- Office location in the heart of Hyderabad’s tech hub – CoKarma, Madhapur
- Opportunity to work on impactful, large-scale communication products
We are looking for a highly motivated individual that can help us solve interesting and complex problems for our clients. You will be working closely with product and engineering teams based out of the USA, Europe, and India to build proof-of-concepts, validate strategic architecture decisions, and develop modern and scalable solutions. We firmly believe that your success is our success, and we are willing to take a stake in that.
About Altir
Altir is a product engineering company that builds top-notch software products for very select companies across various industries and stages of their lifecycle. We help start-ups to Fortune 500 companies nurture and transform validated ideas into successful products by amalgamating efficient business & technology strategy, development, and engineering capabilities. We are a team of entrepreneurs, engineers, product leaders, and designers who are builders and systems thinkers coming from some of the most iconic technology companies like Microsoft, Accenture, Apple, Google, and Salesforce. We exercise thorough attention to detail at every stage – from product exploration to delivery, integrating technology, automation, and our teams' expertise into the mix. We infuse our prowess from the consumer and enterprise worlds into every client's business. Our customers work with us to be their force multipliers, disrupters and to help them create unfair advantages.
Hailing from some of the world’s most innovative technology companies, we’re a team of seasoned entrepreneurs and makers. We’ve learned what it takes to build paradigm-shifting technology and companies, but we learned it the hard way. That’s why we created Altir - to be disruptive by design. By generating a suite of knowledge resources, category-defining playbooks, and reusable technology components, we’ve productized the launch and scale of transformational companies for maximum impact.
Company Link:
Requirements
*5-10 years of software engineering experience with at least 4 years of experience in react.
*Programming languages (Typescript, JavaScript, Reactjs , redux)
*Creating fluid visual interactions. Developing and implementing mobile user experience patterns.
*Developing and maintaining iOS/Android applications from the requirements to the App Store.
Unit Test (Jest, Mocha), software design patterns and data structures.
*Excellent leadership, stakeholder management and program management skills.
*Successful experience in a properly functioning agile team would be extremely advantageous.
Required
*Design and develop user interface components using React.js This includes creating reusable components and front-end libraries for future use.
*Optimize components for maximum performance across a vast array of web-capable devices and browsers.
*Redux for state management.
*React JS developers should be proficient in modern web development.
*Implement automated testing platforms and unit tests.
*Develop and maintain user interfaces using React.js.
Must have
*Strong understanding of web technologies, including HTML, CSS, and JavaScript
*Experience with code migration and refactoring
*Strong problem-solving skills and ability to troubleshoot technical issues
*Excellent communication skills and ability to work collaboratively with cross-functional teams
*Strong attention to detail and ability to deliver high-quality code
*Ability to work in a fast-paced, dynamic environment
Benefits
*Participation in profit sharing
*Parental leave
*Opportunity to travel and work with our global team
*Flexible PTO and work timings
*Premium health insurance
*Teammate recognition awards
*Company get together, off sites and events
Experience: 3-4 years of experience in ReactJS, JS, TypeScript, NextJS frontend technologies.
About: Fletch is a U.S. based technology firm building an open insurance ecosystem
connecting consumer apps to insurance providers. The team has previously built global
payment infrastructure at scale (processing $billions in transactions) and founded enterprise
technology companies with solutions in commercial use by over 100 corporates.
Fletch has seen rapid traction (existing partnerships with leading U.S. insurance providers)
and is backed by top global fintech VCs and angels. The team is now looking to scale
further hiring & expansion.
Location: Remote
Responsibilities:
-Developing new user-facing features using ReactJS, JS, TypeScript, NextJS, HTML5, CSS.
-Building reusable components and front-end libraries for future use
-Translating designs and wireframes into high quality code
-Product enhancements in existing Insurance and Financial Services products
-Optimising components for maximum performance across a vast array of web-capable devices and browsers.
Skills:
-Strong expertise in JavaScript, including DOM manipulation and the JavaScript object model
-Strong experience of ReactJS and its core principles like states, hooks, HoC etc
-Experience with popular ReactJS workflows (such as Redux or Flux)
-Strong expertise in NextJS and performance tuning
-Good 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 Webpack, NPM, etc.
-Familiarity with code versioning tools such as Git
PREFERRED QUALIFICATION AND SKILLS:
In depth knowledge of VUE.JS
• In depth knowledge of HTML5 • In depth knowledge of CSS3 (Less, Sass, Stylus is a plus), knowledge of BEM methodology is preferred
• Detailed knowledge of JavaScript (ES2015 is a plus)
• Experience in any JS framework(Angular, React + Redux, Vue, etc.,) is must
• Understanding of Web Accessibility WCAG guidelines.
• Must be able to mentor and guide junior technical resources.
• One who is proactive and come forward with technology related initiatives. Motivated selfstarter.
• Good Communication skills. English - Oral and Written.
UK based company with IT-based work in Ahmedabad and seeks to empower IT professionals and
organizations through the latest technologies.We are aproduct aswell asservice-basedindustry.We
have pioneeredin handling projects from the UK related to the healthcare industry in the UK. We follow
a novel tech-led approach and expand our expertise all over the UK and the Middle East.
What are we looking for in a candidate ?
● 2to4years of experiencewith1 yearofrelevantexperience inReactJS
(2-3 years of total work work experience) and 2 years of experience in ReactJs(4 years of total work
experience )
● Strong proficiency in JavaScript, including DOM manipulation and theJavaScriptobject
model.
● Thorough understanding of React.js and its core principles
● ExperiencewithpopularReact.jsworkflows(suchas Flux orRedux)
● Familiarity with newer specifications of EcmaScript
● Experience with data structure libraries (e.g., Immutable.js)
● Knowledge of isomorphic React is a plus
● FamiliaritywithAPIs
● 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 and
NPM
● Ability to understand business requirements and translate them into technicalrequirements
● A knack for benchmarking and optimization
● Familiaritywith code versioning toolssuchasGit, SVNand Mercurial
What will a candidate be doing with us ?
● Developing newuser-facing featuresusing React.js
● Building reusable components and front-end libraries for future use
● Translating designs and wireframesinto high quality code
● Optimizing componentsfor maximum performance across a vast array of
● Web-capable devices and browsers
Work from home available...
Candidate Requirements
- 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
- Expert in Angular, TypeScript, Angular Material and Server Side Rendering (SSR)
- Hand on and implements complex Angular applications, directives, controllers, services and components, create the same from scratch
- Experience in Third Party integrations like Payment Gateway, Facebook, Gmail and any other Google APIs
- Knowledge of state management tools such, NgRx, Redux
Job Description
- Develop User interfaces for Modern Rich Internet Applications with the latest Front End Technologies Perform product analysis and development tasks of increasingly complex nature which may require extensive research and analysis
- Writing tested and documented JavaScript, HTML and CSS
- Make design and technical decisions for Angular projects
- Ensuring high performance
We are looking for a great JavaScript developer with 4+ years of experience 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 products are very 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
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 (such as Flux, Redux, or Redux Saga)
● Familiarity with newer specifications of EcmaScript ● Knowledge of Node.js is considered a big plus
● Knowledge of D3.js is considered a plus
● You are always mindful of quality attributes like maintainability, performance, security, scalability, usability, and testability. As a result, you have successfully contributed to the architecture and UI/UX proposals and decisions.
● Strong experience creating pixel perfect and responsive designs
● Strong CSS skills (SCSS / Styled-components)
● Experience with data structure libraries (e.g., Immutable.js)
● Knowledge of Reactjs functional components and react hooks.
● 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)
Looking for someone to join our startup and work with us on several different projects. Strong communication skills are a must.
Skills:
- Candidate with 2+ yrs of experience in UI development or theme implementation.
- Mandatory proficient understanding of web markup, including HTML5, CSS3, Javascript, JQuery, Bootstrap, Photoshop.
- Front-end (CSS) frameworks like Foundation or Bootstrap, Semantic UI.
- Design wireframe/layout for website, web application, mobile apps.
- Up-to-date, in-depth knowledge of modern HTML, CSS and JS.
- Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS
- An eye for design to pixel perfect website conversion.
- Hands on experience on creating responsive websites using media queries (not just Bootstrap).
- Working knowledge of cross-browser-compatibility and different sizes of different screens.
- Self-motivated, good communication and ready to learn attitude.
- Experience with various JS libraries like jQuery, BackboneJS, UnderscoreJS etc.
- Experience in layout designing & theme conversion on open source CMS’s like WordPress, Drupal.
- Good understanding of asynchronous request handling, partial page updates, and AJAX
- Optimize application for maximum speed and scalability.
- Good understanding of SEO principles and ensuring that application will adhere to them.
- Familiarity with tools such as Gimp or Photoshop is a plus.
- Proficient understanding of cross-browser compatibility issues and ways to work around them. - Proficient understanding of code versioning tools, such as Git
Responsibilities:
- Develop new user-facing features.
- Build reusable code and libraries for future use.
- Develop functional and appealing web and mobile-based applications based on usability
- Provide website maintenance and enhancements.
- Translation of the UI/UX design wireframes to actual code that will produce visual elements of the application
- Ensure the technical feasibility of UI/UX designs.
- Maintain graphic standards and branding throughout the product’s interface
- Stay up-to-date on emerging technologies promotes usability best practices.
- Optimize application for maximum speed and scalability.
- Collaborate with other team members and stakeholders.
- Create quality mockups and prototypes on tight timelines.
- Proficient understanding of cross-browser compatibility, devices, responsive issues and ways to work around them.











