
UI Developer
at Virtusa Corporation (NASDAQ: VRTU) is an American informatio
- Very Strong communication and consulting skills
- Strong front-end development skills, experience with JavaScript libraries/frameworks mainly Angular JS Preferably Version 7 or Version 5
- Experience working with server-side JavaScript Frameworks and build tools (node.js, bower, grunt, gulp)
- Demonstrable experience developing large-scale applications using one or more MV* patterns (MVVM, MVC, MVP)
- Expertise in developing single page web applications using front-end routing, consuming JSON-based RESTful APIs, client-side templating
- Strong competency in responsive layouts leveraging CSS and media queries and related UI frameworks (e.g., Bootstrap, Foundation)
- Experience with CSS preprocessors (e.g., Sass, LESS)
- Experience with code analysis tools (e.g., JSLint, JSPerf)
- Practical knowledge of web page optimization techniques and guidelines for fast page load times
- Strong understanding of Ajax and/or promises
- Experience working in an agile, multidisciplinary team.
- Experience working with a distributed version control system (git, mercurial)
- Experience writing unit tests in one or more of the following: karma, mocha, chai, sinon, jasmine, jest
- Experience working on AWS. Basic understanding of Security Groups/ VPC etc.
- Experience on working with & integrating with microservices
- Experience on developing/ using CI/CD pipeline using Jenkins/ Git

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About Us
Heyo & MyOperator are India’s leading Conversational platforms, enabling 40,000+ businesses to engage customers over Call and WhatsApp—including leading brands like Lenskart, Astrotalk, and Caratlane. As a product-led SaaS company, we’re rapidly scaling and building mobile-first experiences that power real-time, impactful communication. We're looking for an experienced React Native Developer to help us craft high-performance mobile applications that scale with our growth.
Job Overview
We’re hiring a React Native Mobile App Developer with hands-on experience building cross-platform applications for Android and iOS. You’ll be responsible for developing responsive UI components, integrating APIs, and delivering high-quality, efficient, and maintainable mobile apps. You’ll work closely with cross-functional teams including designers, product managers, and QA to bring seamless experiences to life.
Key Responsibilities
- Design and implement clean, maintainable user interface components using React Native.
- Build and maintain mobile apps for both Android and iOS platforms.
- Convert wireframes and prototypes into high-quality mobile UI.
- Work with native modules and third-party libraries when required.
- Leverage native APIs for deep integration with mobile platforms.
- Optimize application performance and troubleshoot bottlenecks.
- Write unit tests to ensure reliable and bug-free code.
- Implement smooth animations and transitions for enhanced user experience.
- Integrate RESTful APIs and manage state using Redux or React Query.
- Collaborate with product, design, and QA teams to meet project timelines.
Qualifications & Skills
- Minimum 3 years of professional experience with React Native.
- Strong understanding of JavaScript, React fundamentals, and mobile UI design.
- Proficiency in Redux or similar state management libraries.
- Experience working with REST APIs and asynchronous data handling.
- Familiar with native build tools: XCode, Gradle, Android Studio.
- Solid grasp of the full mobile app development lifecycle—from prototyping to deployment.
- Knowledge of unit testing, TypeScript, PropTypes, and debugging tools.
- Exposure to React.js for web development is a plus.
- Experience with RDBMS (MySQL, PostgreSQL) is a plus.
Why Join Us?
- Build real-world products used by thousands daily.
- 100% remote role with high ownership and visibility.
- Be part of a fast-growing SaaS company with a strong engineering culture.
- Collaborate with smart, passionate teammates in a flexible, outcome-driven environment.
Meet with stakeholders, customers, and project teams to collect requirements, scope projects, and contribute to creative
and technical concepts
∙Implement modifications to existing campaigns to accommodate changes in user requirements
∙Employ best practices in developing, conducting, and interpreting A/B tests and personalization campaigns focused on user
experience and effectiveness against project goals
∙Identify areas for improvements and assist in managing projects to implement enhancements to completion
∙Maintain campaign code in GitHub following established organization standards and development guidelines
∙Ensure team process to enter and track implementation information including work items, tasks and issue management
using JIRA
Tools:
∙Must have 5+ years minimum experience in building and maintaining web applications.
∙Must have experience in web technologies HTML5, CSS3, JSON, JavaScript, Web services (SOAP/REST).
∙Must have Experience in CSS and JavaScript frameworks like Bootstrap, jQuery etc.
∙Experience with SASS/LESS frameworks.
∙Experience with source control systems like TFS, GIT etc.
∙Experience with JavaScript application frameworks such as Angular, React or Vue.js is a plus.
∙Knowledge of scripting languages and object-oriented concepts.
∙Experience with Agile / Scrum software development practices.
∙Excellent troubleshooting and communication skills.
∙Experience in any content management systems (CMS) preferred but not required.
∙Ability to work independently and as part of a team.
∙A/B Testing or Personalization experience is preferred but not required.
∙Bachelor's degree in computer science, engineering or a related discipline with an information technology focus or
equivalent experience

Position: React/Frontend Developer
Location: Chennai and Exp : 3 to 5 Yrs
We are looking for a great JavaScript developer who is proficient with React.js or VueJs. Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (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
- Monitoring and improving front-end performance.
- Troubleshooting interface software and debugging application codes.
- Documenting application changes and developing updates.
Skills
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
- Thorough understanding of React.js and its core principles
- Experience with popular React.js workflows (such as Flux or Redux)
- Should have recent experience with React projects (min. 2 years)
- Experience in VueJs is an added advantage
- Familiarity with newer specifications of EcmaScript
- Familiarity with RESTful APIs
- Knowledge of modern authorization mechanisms, such as JSON Web Token
- Knowledge of performance testing frameworks including Mocha and Jest.
- Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
- Ability to understand business requirements and translate them into technical requirements
- Familiarity with code versioning tools.

What you’ll do:
● Own and build next-generation web applications which are efficient, reusable front-end abstractions
and systems.
● Explore and design lively and compelling consumer experiences.
● Ensure that all the assigned systems are performing to scale.
● Actively participate in design and code reviews to build robust applications and prototypes
● You will mentor junior engineers on design and proper coding practices
What you will need:
● A deep expertise in React, Javascript, HTML5 and CSS3.
● Understanding of browser internals and a basic understanding of the network stack.
● Understanding of common design patterns followed in front-end projects.
● Basic awareness of application security practices and deployment techniques for front-end projects.
● Should have sound knowledge in computer science fundamentals like data structure, object-oriented
programming and possess excellent communication skills.

We are a B2B SaaS company that is re-imagining how companies use sales incentives to motivate their employees. We believe great results are only achieved when people are motivated - and our product is nothing but an extension of that philosophy.
On a more day-to-day level, our product takes away the ambiguity and grunt-work behind manual sales incentive calculation, and allows companies to experiment with incentive plans that actually work for every employee - and not just top performers. We are a team of experienced founders who between them have built and sold software products pretty much all across the globe. We are backed by some of the best angels and institutional investors in India - and are growing at breakneck speed.
We are seeking a skilled React JS Developer for a three-month contract to join our dynamic team. You will be responsible for developing and implementing user interface components using React.js concepts and workflows such as Redux, Flux, and Webpack. The ideal candidate should have proficient knowledge of React tools, excellent troubleshooting skills, and the ability to translate business requirements into technical solutions.
Responsibilities:
- Develop new user-facing features using React.js.
- Build reusable components and front-end libraries for future use.
- Optimize components for maximum performance across a vast array of web-capable devices and browsers.
- Collaborate with other team members and stakeholders.
Qualifications:
- Proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
- Past Intership with React.js and its core principles.
- Usage experience with common front-end development tools such as Babel, Webpack, NPM, etc.


- We are looking for champions for scalable web application development with experience in
Roles and Responsibility:
Responsible for maintaining frontend development and building products for clients' consumers Hiring new frontend developers and guide new joiners Building pixel-perfect products. Building your frontend capability in complex problems and expanding your horizon of technologies.
- Minimum 2Years of industry experience with Frontend development (React)
- Have experience with JavaScript and any Front End framework like React Have experience with HTML and CSS(Sass or Less)
- Have experience working with REST APIs Have basic design sense Be confident with Git and with Unix shell.
- Have good communication and collaboration skills.
2 -8years

About ITLH:
ITLH is an Ed-Tech organization backed by an IT company- Centillion based in India and Singapore. ITLH aims at bridging the gap between knowledge and opportunities by helping students build their skill sets via practical learning on live projects and classroom training. For the last 5 years we have enrolled 4000 students for the programme and have been successfully placed in several MNC's.
How will we help you grow?
By joining ITLH, you will be part of an ever-growing organization that is redefining learning and helping young students to be industry ready.
We believe in a healthy and growing working culture that you would love to be a part of.
Join us if you feel you have the required skills and desire to be a part of our team and create an impact and reach new heights globally.
Responsibilities :
- Create data visualization tools, libraries, and reusable code for prospects
- Integrate designs and wireframes within the application code
- Leverage the inbuilt React toolkit for creating frontend features
- Monitor interaction of users and convert them into insightful information
- Write application interface code with JavaScript
- Enhance application performance with constant monitoring
- Good understanding of CSS libraries, GIT, Sigma, Adobe XD etc.
- Constant interaction with other developer teams and design teams to discuss UI ideas.
Requirements :
- Strong proficiency in JavaScript, object model, DOM manipulation and event handlers, data structures, algorithms and JSX.
- Complete understanding of ReactJS and its main fundamentals like JSX, Virtual DOM, component lifecycle, etc.
- Understanding of RESTful APIs/GraphQL, HTML/CSS, ES6 (variables and scoping, array methods), code versioning tools like GIT, SVN, etc.
- Preceding experience with ReactJS workflows like Flux, Redux, Create React App, data structure libraries.
- Willingness to learn modern-day tools and processes.
- Good problem-solving, troubleshooting skills.
- Creativity and accountability.


• Technical end-to-end design for stories by collaborating with business analyst/product owner, technical architect and clients
• Implement stories end-to-end, which includes Frontend, Backends for Frontend (BFF), Caching and also service orchestration in some cases) using best engineering practices like test-driven development, SOLID principles and consideration of non-functional requirements like performance, scalability, security or cloud readiness (as applicable) at the story level
• Automates testing at unit, module and integration level as needed using tools relevant for the platform (e.g. Jasmine, Jest, Karma, Webdriver.io etc.)
• Focus on quality by implementing best practices like logging, calling out technical debt, meeting KPIs using code quality tools like SonarQube, ESLint (customize and sync with Sonar), Stylelint/Sasslint and so on.
• Hands-on with automating redundant work, like common component structure, both in terms of scaffolding as well as using the right design patterns / creating abstractions.
• Mentor junior engineers in helping review code, guiding on technical decision making
Key Requirements:
• 4-9 years’ experience
• Hands-on knowledge of HTML5, CSS3, JavaScript
• Hands-on experience working with Object Oriented JavaScript (OOJS), JavaScript - and practical uses in building complex interactive experiences, primarily with ECMAScript 2015+. You should be up-to-date with new specifications (different stages), and also, using transpilers like Babel to use features from all stages
• Good understanding of creational and structural design patterns in JavaScript
• Experience working with Single Page Applications (SPA) with universal rendering capabilities.
• Good understanding of React.js, its core principles - lifecycle methods, virtual DOM etc. and at least 6 – 12 months hands-on experience with the same
• Understanding of one-way data flow and the Flux architecture.
• Understanding of stateful (container) vs stateless (presentational) components and how to break down the application page into components
• Core understanding of how React’s state management works out of the box.
• Understanding of different CSS architectures that go hand-in-hand with React.js application development. Pros and cons of component-level CSS vs global and where to apply each
• Thorough understanding of Webpack bundler (version 2+).
• Good understanding of the Web Components standard.
• Hands-on experience with building Progressive Web Apps (PWAs) on any framework.
• Hands-on experience with Frontend Performance Optimization – especially in a React application with respect to resource loading strategy, CPU/Memory profiling on the browser.
• Hands-on experience with test-driven development using Jest or equivalent. Familiar with snapshot testing, code coverage. Experience working with utilities like Enzyme
• Experience using fluid grids, and building responsive/adaptive websites using Bootstrap etc.
• Understanding of SEO and accessibility and making it part of the development workflow
• Moderate to Strong graphics manipulation/optimization skills using Photoshop is a plus.



