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Your Role in the Bigger Picture:
As a React Native Developer at Marmeto, you will play a critical role in building high-performance, cross-platform mobile applications for iOS and Android. You will collaborate with UX/UI designers, backend engineers, and product stakeholders to deliver intuitive and scalable mobile experiences. This role demands a developer with a deep understanding of mobile architecture, native modules, and modern development best practices.
What You’ll Own at Marmeto:
● End-to-end development of scalable, high-performance web interfaces using React
● Translating UI/UX designs into reusable, production-ready components
● Ensuring code quality through code reviews, unit testing, and best practices
● Optimizing application performance and responsiveness across devices and browsers
● Collaborating with cross-functional teams to ship features from concept to deployment
● Mentoring junior developers and contributing to technical discussions
● Driving continuous improvement in frontend architecture and workflow
The Experience That Sets You Apart:
● Minimum 1 to 2 years of hands-on experience with React Native for Android and iOS development.
● Strong proficiency in JavaScript, TypeScript, and ES6+ features.
● Solid understanding of React Native architecture, including Hooks, Redux/MobX, and Context API.
● Experience with native module integration (Android/iOS) and third-party libraries.
● Proficient in using React Navigation, AsyncStorage, and mobile design patterns.
● Familiarity with debugging tools like Flipper, Chrome DevTools, and React Native Debugger.
● Experience in publishing apps to the App Store and Google Play.
● Good understanding of mobile performance optimization and memory management.
● Proficiency with version control systems like Git.
Your Subject Matter Expertise:
● Should have built solutions/applications end-to-end, not just contributed as part of a larger team.
● Should envision continuing in a deep mobile development role 5+ years down the line.
● Strong command over JavaScript, TypeScript, and React Native internals.
● Experience working with Redux, React Hooks, and lifecycle methods in mobile contexts.
● Deep understanding of platform-specific limitations, capabilities, and mobile UI/UX standards.
● Proficiency with Git and collaborative workflows (e.g., branching, PRs).
● Familiarity with CI/CD for mobile.
● Understanding of offline storage, background sync, and performance monitoring.
● Knowledge of native development (Swift/Kotlin) to bridge native modules when needed. ● Exposure to tools like Figma, Sketch, or Zeplin for design collaboration.
● Experience with e-commerce platforms like Shopify, BigCommerce, or similar.

About us:
HappyFox is a software-as-a-service (SaaS) support platform. We offer an enterprise-grade help desk ticketing system and intuitively designed live chat software.
We serve over 12,000 companies in 70+ countries. HappyFox is used by companies that span across education, media, e-commerce, retail, information technology, manufacturing, non-profit, government and many other verticals that have an internal or external support function.
To know more, Visit! - https://www.happyfox.com/
We’re looking for an experienced Frontend Engineer to join our growing engineering team to help build and maintain HappyFox’s product offerings.
What you can expect as a Frontend Engineer at HappyFox:
- You will implement product features by writing clean, robust, reusable code with tests.
- You’ll work alongside the Product, Design, and, Backend Engineering teams to iterate on new features within HappyFox products.
- You'll help improve the overall experience of our product by improving the quality of the front-end features.
- You’ll help identify areas of improvement in the codebase and initiate projects to make HappyFox better.
- You’ll contribute to and follow our workflow process, alongside the rest of the Engineering team.
You should apply if:
- You have at least 3 years of relevant professional experience in building web applications with javascript frameworks like Ember.js or React.js.
- You have a sound knowledge of HTML, CSS, and JavaScript.
- You have experience building single-page web apps and a good understanding of best practices in front-end development.
- You have experience in reviewing other team members' code and providing actionable comments.
- You have experience in following industry-standard coding practices.
- You have experience optimizing code and looking for ways to resolve performance issues.
- You are passionate about solving complex technical problems and troubleshooting issues.


• 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.

Firm grasp of modern web application development approaches (Full stack JavaScript)
Strong proficiency in the following JavaScript development tools: · ReactJS · UI Frameworks (Bootstrap, Material UI, Semantic UI) · ES6/ES7 · Context API, GraphQL, Redux, Payment Gateway · Familiarity with RESTful APIs · Familiarity with code versioning tools (GIT, BitBucket) · Experience with working with various data structure (JSON) · Understanding of modularized / service-oriented architecture
Competencies and Skills Required · Requires excellent analytical, problem solving, and good communications skills · Must be able to work effectively with business stakeholders · Strong passion for delivering technical solutions to business problems · Understanding and mindset of Agile software delivery (Ability to adapt to continually changing priorities) · Team player who understands the importance of teamwork and collaboration · Passion for delivering new approaches and challenging the ‘status-quo’ |





- Observe, strategize, develop and design user-friendly UI/UX using markup languages like HTML.
- Designing Client-Side and Server-Side Architecture and Rendering and Static Site Generation.
- To confer with users - by studying systems flow, data usage & work related bottlenecks.
- Design and implement Front-End code
- Interact with the production team, understand their workflow and find new ways to visualize their workflows on web apps.
- Integrating Python Scripts with Python-based UI interfaces like Dash and Flask.
- Maintain and improve web-app
- Optimize applications for maximum speed
- Create quality mockups and prototypes
- Design mobile-based features
- Integrating APIs with front-end user interfaces.
- Build features and applications with a mobile responsive design
- Write functional requirement documents and guides
- Work with data scientists and analysts to visualize their analysis reports
- Help back-end developers with coding and troubleshooting
- Ensure high-quality graphic standards and brand consistency
- Stay up-to-date on emerging technologies
General Expectations:
- Strong Knowledge of HTML, CSS, Bootstrap, JavaScript, AJAX, jQuery and Prototyping.
- Strong knowledge of client-side dynamic and rich UI applications development.
- Hands-on experience in C#, Python, .Net
- Strong hands-on experience in popular frameworks and JavaScript ecosystem – JS, Node, Angular, Jquery.
- Experience in Spark, Hadoop, Scala, and Elastic Search is a plus point.
- Familiarity with browser testing and debugging
- Experienced in building applications that meet enterprise needs – secure, scalable, loosely coupled design
- Exceptional design, coding, and problem-solving skills, with a bias for architecting at scale.
- Experience using NPM, Web-Pack, Gulp.
- Familiarity with performance testing and optimization’s.
- Strong knowledge of computer science, algorithms, and design patterns
- Write robust modular front-end code using the latest technologies, test and optimize it to work for high performance and scale and deploy it to the UiPath cloud platform.
- Work with various horizontal teams such as Structure, Electrical, Mechanical, Accessibility, Legal, and Finance and also interact with other core teams across locations at UiPath
- Own the smooth running of your cloud service or docker service, and respond to live site issues.
- Strong oral and written communication, and other soft skills are critical to collaborating and engaging with teams

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.




