React Native Developer - Mobile Applications

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.

We are looking for a good JavaScript developer 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 product is important.

Requirements

• 3+ years of experience in React JS and Redux
• Expert in React.j, ideally using TypeScript language extensions
• Good understanding of JavaScript Design Patterns
• Good experience writing front-end test cases
• Exposure in React Native is preferred.
• HTML5, CSS3 and Responsive web design are mandatory
• Exposure to Scrum methodology and XP technical practices such as unit testing, pair programming, test-driven development, continuous integration or continuous delivery
• Self-motivated, fast learner, detail-oriented, team player and a sense of humour

 What you need to have:

• Minimum of 4 years (and above) experience in modern UI frameworks like ReactJS web/Native
• Experience and expertise in HTML, CSS and Javascript
• Familiar with UI design concepts and user interface design
• Experienced user of the GIT/GITHUB repository
• Experience with hands on UI development
• Experience in modern UI frameworks like ReactJS web/Native

• Collaborate with engineering, design and product teams to build and ship new features.
• Seeing through a project from conception to finished product using Agile methodologies.
• Maintain and improve web applications. Optimize applications for maximum speed
• Design mobile-based features
• Self-contribution & able to manage and execute work through team members.
• Developing features to enhance the user experience.
• Create quality mockups and prototypes
• Translate application storyboards and use cases into functional applications.
• Create proof of concepts to demonstrate feasibility of proposed solution
• Continuously discover, evaluate and learn new technologies to stay at the forefront of technology innovation
• Write good quality, modular, reusable, well documented, unit-tested code.

We are looking for a Product Engineer - Frontend Engineer to join our early stage startup with experience in building B2C products. 

If you have experience of working in product based companies (preferably startups), good to excellent coding skills in react js and typescript, have a keen eye for details in the UI, and are looking to build exciting things that children across the world will use - come talk to us!

What you get to do:

• Design and build advanced applications from scratch keeping scalability and performance in mind
• A good handle on both client and server architecture.
• Work on bug fixing and improving application performance.
• Comfortable in owning large scale products and continuously re-evaluating and innovating.

Who are we looking for:

• Bachelor's degree or equivalent in Computer Science
• 1+ years' experience in frontend development
• Familiarity using Scrum/Agile development methodologies
• Experience building object oriented web applications in React JS, Typescript, HTML5, and CSS3
• Should be a quick learner and willing to go the extra mile in delivering the projects.
• Should be able to mentor junior folks whenever necessary.

• Meeting with the development team to discuss user interface ideas and applications.
• Reviewing application requirements and interface designs.
• Identifying web-based user interactions.
• Developing and implementing highly responsive user interface components using react concepts.
• Writing application interface codes using JavaScript following react.js workflows.
• Troubleshooting interface software and debugging application codes.
• Developing and implementing front-end architecture to support user interface concepts.
• Monitoring and improving front-end performance.
• Documenting application changes and developing updates.

About NetElixir: 

NetElixir is a global digital marketing firm headquartered in Princeton, NJ. With a common goal of helping our customers and challenging ourselves to think differently, we face challenges and tackle them together as a team. We are a close-knit group of imaginative and friendly industry experts who bring our unique passions and personalities together to find creative solutions that drive results.

With offices in the US and India, NetElixir works persistently gathering, evaluating, computing, and formulating raw data and turning it into actionable insights for our customers. We work consistently to develop new technology that will improve and facilitate digital marketing efforts across the globe.

Role: React JS

Experience: 2 -5 Years

Company Website: http://www.netelixir.com/">www.netelixir.com 

Job Description:

To be part of Netelixir's Engineering Development Team in Digital Marketing, Consumer Insights, Analytics and Ecommerce Domains which caters to about 100 Ecommerce clients in USA & European Geographies

• Should have implemented at least 2-3 projects using React Interface (ReactJS, React Native).
• Experience with standard libraries for routing, state managers like Redux, knowledge of ES6 and Lodash.
• Familiarity with one of the design systems such as Material UI.
• Strong hands on exposure to convert visual designs to React based web interfaces
• Integration of the React with backend services.
• Exposure to building and integration of web interface with the backend service APIs implemented on Restful, SOAP etc.
• Proficiency in one or more of Java, Tomcat, MySql, MongoDB, Python, Angular, Bootstrap, JQuery, JS Frameworks, JSP, HTML5 CSS Frameworks will be added advantage. 

Job Description:

The UI Engineer(4-7)  will design; develop front-end for AgroStar product solutions.

 Key areas of responsibility:

1. Responsible for core UI framework, implements and maintains it.
2. Operates effectively as an individual for quick turnaround of enhancements and fixes.
3. Responsible for the development of the front-end applications and components.
4. Responsible for architecture & design of the product.
5. Co-ordinate with the backend engineers & designers for requirement gathering of the product.
6. Responsible for creating POCs to design a scalable system.
7. Build reusable code and libraries for future use.
8. Responsible for quality assurance including web usability, accessibility, testing and debugging.

 As an ideal ‘Agstar UI Engineer’, you will need:

 3-7 years of prior hands-on experience in building responsive web interfaces for consumers

Significant experience with Git and GitHub including managing branches, merges, and administration

Ability to translate product requirements into functional code.

Ability to estimate the scope of work for sprint planning.

Top-notch programming skills.

Self-motivated and able to work in a small team with minimal supervision

Strong development experience on the following technologies -

HTML, CSS, Javascript, AJAX,  working with REST APIs.

Must be fluent in writing code in  ES6+ along with linters.

CSS preprocessor - SCSS/ LESS.

Front end frameworks/library such as ReactJS, Redux.

Web standards, Responsive design, and cross-browser compatibility, SEO, Accessibility.

We are looking for enthusiastic intrapreneurs who want to work at the ‘grass root’ level and want to make a difference to India’s biggest sector. We hope this excites you as much as us and looking forward to the next few conversations.