- Minimum 4 yrs of experience in React JS.
- Experience building single page frontend applications and reusable components
- Solid experience with the core React ecosystem like React Router, Redux etc.
- Master of HTML, CSS, and other display-centric web technologies.
- Comfortable using git, docker.
- Proficient in Javascript (ES6 / ES7) programming with at least 4/5 years of
- experience.
- Good knowledge in writing frontend test cases.
- Good understanding of asynchronous request handling, partial page updates and Promises.
- Strong Problem Solving skills.
- Strong skills in Javascript and ability to write well documented, clean JavaScript Code.
- Very good understanding of ES6/ES7, JSX and Component Lifecycle.
- Deep practical knowledge of native Javascript, ES6, understanding the internals of frameworks like ReactJS, Angular or any other view libraries.
- Knowledge of modern authorisation techniques, such as JWT Tokens.
- Good understanding of common front-end development tools such as Babel, Webpack, NPM, Yarn etc.
- Has strong communication skills and self-accountability.

About Westagile Labs
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We are looking for a skilled React Native Developer to join our mobile development team. You will be responsible for building performant, maintainable, and responsive mobile applications for iOS and Android platforms using React Native.
Key Responsibilities:
- Develop cross-platform mobile applications using React Native and JavaScript
- Translate designs from Figma or other specs into responsive UI using Flexbox, StyleSheet, and semantic components like View, Text, and Image
- Work with APIs using fetch, async/await, and implement robust error handling
- Use React Hooks (useState, useEffect, useRef, etc.) and manage component state and lifecycles effectively
- Optimize performance using FlatList, SectionList, useMemo, useCallback, and memo
- Handle accessibility, dark mode, safe areas, notches, and orientation changes
- Implement animations using Animated API and LayoutAnimation
- Use tools like React DevTools, Flipper, and Chrome DevTools for debugging and performance profiling
- Integrate third-party libraries, native modules, or write custom native bridges as needed
- Handle OTA updates, app size optimizations, and splash screens for both platforms
- Set up automated testing using tools like Detox or Appium
- Integrate and manage analytics (Firebase, Mixpanel), Crashlytics, and logging
- Write clean, modular, and reusable code following patterns like atomic design or MVVM
Responsibilities
- Work in a fun and fast-paced environment.
- Participate in requirements gathering, design, development, QA, support.
- Communicate with different stakeholders such as QA, Project Managers and Product Owners
- Discover, evaluate, and implement new technologies to maximize development efficiency.
- Groom, mentor and upskill team members with modern technologies and development practices
Key Competencies:
- 5-8 Years of relevant experience in front-end development.
- At least 5-4 years of working experience with the React ecosystem.
- In-depth knowledge of TypeScript, CSS, and HTML.
- Strong proficiency in Vanilla JavaScript, DOM, Browser API’s and ES6 Features.
- Strong Knowledge of State Management with React and relevant workflows.
- Good Understanding of Modern frontend workflows with NPM, Webpack, Babel etc.
- Knowledge of modern programming paradigms like functional and reactive programming.
- Knowledge of testing frameworks including Chai, Mocha and Sinon or equivalent.
- Experience with using browser-based dev tools for trouble shooting and enhancing the performance.
Good to have skills:
- Knowledge of cloud-based services like AWS and GCP.
- Working knowledge of Video streaming and playback
- Knowledge of modern programming paradigms like functional and reactive programming.
About One Impression
One Impression is one of the world’s largest influencer marketing platforms, working with 300+ global brands like Unilever, Nestle, and Amazon to connect with a diverse creator network. Our platform empowers brands and creators to collaborate seamlessly and scale their reach. To capture a significant share of global media ad spend, One Impression is quickly becoming the industry’s go-to influencer marketing platform.
About the Role
We are looking for a Frontend Engineer (SDE II) who is experienced in both React.js for Web and React Native for Mobile Apps. You will be responsible for architecting, implementing, and optimizing web and mobile applications while collaborating closely with Product, Design, and Backend teams.
This role is perfect for someone who enjoys working across platforms, building scalable systems, and enhancing the developer experience.
Key Responsibilities
- Architect and develop frontend solutions for both Web (React.js) and Mobile Apps (React Native).
- Build and optimize config-driven systems, reusable components, and common libraries.
- Work closely with Product Managers, Designers, and Backend Engineers to create seamless user experiences across platforms.
- Own and drive React Native-based mobile applications, ensuring modular, scalable, and performant code.
- Optimize web and mobile performance for speed, responsiveness, and efficiency.
- Set up and manage CI/CD pipelines for both web (Docker, Vercel) and mobile apps (Fastlane, App Store/Play Store).
- Implement and maintain state management using Redux, Redux Saga, Recoil, or MobX.
- Work with mobile-specific integrations, such as Firebase Push Notifications, Deep Linking, and Native Modules.
- Ensure cross-platform consistency by handling browser compatibility (web) and device compatibility (mobile).
- Write clean, maintainable, and reusable code, following best practices and design patterns.
- Debug and fix issues rapidly, ensuring a seamless Web & Mobile experience.
- Stay up-to-date with the latest trends and contribute to open-source projects, tech talks, and internal knowledge sharing.
Requirements
- 3-5 years of experience in frontend development, working with both React.js (Web) and React Native (Mobile).
- Strong expertise in JavaScript (ES6+), React.js, and React Native.
- Experience with bundlers like Webpack, Rollup, and Metro for React Native.
- Deep understanding of mobile CI/CD (Fastlane, App Store, Play Store) and web CI/CD (Docker, Vercel, Jenkins, GitHub Actions).
- Strong grasp of Web & Mobile performance optimization techniques.
- Experience with Redux, Redux Saga, MobX, or Recoil for state management.
- Good understanding of mobile UI/UX principles, animations (Reanimated, Gesture Handler), and responsive design.
- Basic familiarity with native iOS/Android development (Swift/Kotlin is a plus).
- Experience with Unit Testing (Jest, React Native Testing Library, Detox, Cypress, Appium, or Espresso).
- Strong debugging skills using Chrome DevTools (Web) and Flipper, Xcode, Android Studio (Mobile).
- Ability to work independently, take ownership of projects, and mentor junior engineers.
- Open to feedback and collaborative in working towards the best user experience.
Why Join One Impression?
- Be a part of one of the largest influencer marketing platforms globally, working with top brands and influencers.
- Opportunity to lead and shape a fast-growing marketplace product.
- Competitive salary and benefits package.
- A collaborative and innovative work culture in a rapidly scaling company.
model.
2. Thorough understanding of React.js and its core principles.
3. Experience with popular React.js workflows (such as Flux or Redux).
4. Deep understanding of Restful APIs(consume).
5. Experience with Redux, Context API.
6. Experience with data structure libraries (e.g., Immutable.js).
7. Familiarity with modern front-end build pipelines and tools.
8. Excellent in building reusable components and front-end libraries for future use.
9. Optimizing components for maximum performance across a vast array of web-capable
devices and browsers.
10. Knowledge of isomorphic React is a plus.
Job Details:-
Designation - Front-end Developer
Location:- Mumbai
Minimum Experience Required:- 2-4 Years.
Package Offered:- Rs.4,00,000/- to 7,00,000 pa.
Must have experience in React.js
We are looking for a qualified Front-end developer to join our IT team. You will be responsible for building the ‘client-side’ of our web applications. You should be able to translate our company and customer needs into functional and appealing interactive applications.
Front-end Developer Job Description:-
Responsibilities
- Use markup languages like HTML, React.js to create user-friendly web pages
- Maintain and improve web apps
- Optimize applications for maximum speed
- Collaborate with back-end developers and web designers to improve usability
- Get feedback from, and build solutions for, users and customers
- Write functional requirement documents and guides
- Help back-end developers with coding and troubleshooting
- Stay up-to-date on emerging technologies
Required Experience and Knowledge
- Proven work experience as a Front-end developer and hands-on experience with markup languages
- Experience with React.js (Saga), JavaScript, CSS (less) and Ant Design
- Familiarity with browser testing and debugging.
- In-depth understanding of the entire web development process (design, development and deployment)
- Understanding of layout aesthetics and knowledge of SEO principles
- An ability to perform well in a fast-paced environment
- Excellent analytical and multitasking skills
• Develop user interfaces for modern internet applications with the latest frontend technologies
• Understand requirements, design solutions, and independently develop application code and logic.
• Optimizing web pages for maximum speed and scalability.
• Develop code using HTML, CSS, JavaScript, Angular, RXJS, NgRx that is responsive and works on multiple
devices and browsers.
• Writing unit test cases for all components
• Perform code reviews and make sure best coding practices are being followed
• Mentor junior team members and train them to perform their tasks independently.
Your background:
• A Seasoned professional with 3 – 6 Years of professional experience in Angular Development
• Extensive programming experience in HTML5, CSS3, SASS or LESS, and Bootstrap, Foundation or
Materialize
• Excellent JavaScript knowledge and programming experience with ES5/ES6
• Solid understanding and development experience in Angular
• Experience with Typescript
• Experience with tools like Redux, Webpack, Angular CLI and/or Gulp
• Experience consuming REST APIs
• TDD/BDD experience (Jest, Jasmine, Karma or Chai)
• Experience with client-side architecture and design patterns
• Awareness of cross-browser compatibility issues and client-side performance considerations
• Experience with version control tools like Git, SVN or Mercurial
Requirement:
Position: Web Developer
Experience: Min 4yr
Relevant Experience in React , Redux , Hooks Javascript etc is mandatory
CTC: As per standards
Location: Bangalore
Industry: Retail / E-commerce
Functional Area: IT Software - eCommerce, Internet Technologies
Role Category: Programming & Design
Role: Application Programmer
Employment Type: Permanent Job, Full-Time
Web Developer - II / Senior Job Description -
Expertise in Javascript, JQuery, W3 CSS, CSS3, HTML5 -
Deep understanding of client-side, frameworks such as React.js, Backbone.js
- Performance optimization techniques for the web and mobile web
- Expertise in Integrating and maintaining RESTful Web-Services
- Good understanding of AJAX, asynchronous request handling, partial page updates
- Good understanding of Virtual DOM, Data structure, and data manipulation
- Deep understanding of UX principles & building GUI
- Basic knowledge of version control system like Git / Mercurial / Bitbucket
- Writes clean, readable, and maintainable code











