React Native Developer

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.

As a Front-end Developer, your responsibility would be to create visual elements that users see and interact within our web platform. This makes your role crucial for the success of the product. We are looking for an exceptional problem solver, with attention to details. You will be working closely with design, product management and development teams to create elegant, usable, responsive and interactive interfaces across multiple devices.

You must take responsible actions in ensuring the application is optimised both in terms of technology and in delivering the best educational content.

Responsibilities:

• Build web platform for our live tutoring platform
• Creating interactive learning activities for K12 students
• Work on upcoming products

Requirements:

• Great programming skills
• Fundamentals of JavaScript and ES modules, new ECMASCRIPT concepts
• Experience in ReactJS web app development (1-4 years)

Brownie Points:

• Good HTML and CSS skills
• Experience in React-Native app development
• Ability to work in small teams and wear multiple hats

Ono Labs Private Limited is committed to providing equal opportunities without any discrimination on the grounds of age, ancestry, marital status, color, physical or mental disability, origin, nationality, political affiliation, religion, race, gender, sexual orientation, and any other characteristics protected by applicable law, regulations, and ordinances.

We are building for the future of work by changing the way the world looks at information and data paradigms. The Meaning Engine by India-based Needle Innovision enables building solutions by processing meaningful data out of anything stored anywhere - structured, unstructured data types, distributed, at scale and more. 

In our quest to do more, we are looking for an exceptionally creative, and technically brilliant Lead React Engineer to join us in a hybrid setting from New Delhi. For us 2 key green flags (read as must-haves) are 

🟢 A need to evolve complete solutions with visibility of end to end modules and not just work on tasks in the next leg of their careers. Basically the excitement to architect.

🟢 Preparedness to move into enterprise-ready environments but as part of a smaller team, so more responsibility to deliver + lead.

This could be an awesome launching pad for someone who enjoys working towards big-picture goals, has a keen interest in leadership, and is excited about aesthetic and useful products, Our teams are sustained on values of care and we offer a generous number of vacation days, the opportunity to craft your calendar with flexible schedules and very soon an insurance plan for you and your loved ones. We offer a starting salary range of 11-15LPA.

What you will do: 

• Work with the product team to understand project requirements.
• Perform technical documentation – Designing architecture, flow diagrams, documenting technical implementation approaches and pseudocode.
• Develop and implement pixel-perfect and highly-responsive user interface components using React.js & ReactNative concepts.
• Oversee development process compliance and CI activities.
• Set and evolve standards and best practices for our application development team
• Guide/Mentor junior developers and empower them on React and related trends.

What you will bring: 

• Today - has a portfolio of beautiful engineered frontend UI. At least some of which they can show us. (🟢 #3)
• Can articulate at least one reason of switch which does not only say growth etc but growth's metric (🟢 #4)
• 3 years minimum detail-oriented experience as a Senior Web Developer creating React.js based solutions and expert-level knowledge of ReactJS, ReactNative ecosystem and ES6.
• Demonstrated experience in B2B application development for large enterprises.
• Ability to review specifications documents and provide technical inputs on successfully implementing business solutions.
• Proficient understanding of build tools and code versioning tools, such as Git/SVN.
• Experience using async RESTful services, CSS preprocessors, bundlers and associated libraries, as well as working knowledge of isomorphic React.

As a Lead React Engineer, you would be expected to understand business requirements, represent Needle to external stakeholders, and have experience in working in agile teams.

If leading a squad that implements real-world impacting digital transformation at the intersection of data science and AI excites you and if our awesome bite-sized team inspires you to be a part of our quest, we think you could be the one to help build the impact, we are looking to building here. 

We are looking for a skilled React.js Developer to join our front-end development team. In this role, you will be responsible for developing and implementing user interface components using React.js concepts and workflows such as Redux, Flux, and Webpack. You will also be responsible for profiling and improving front-end performance and documenting our front-end codebase.

To ensure success as a React.js Developer, you should have in-depth knowledge of JavaScript and React concepts, excellent front-end coding skills, and a good understanding of progressive web applications. Ultimately, a top-class React.js Developer should be able to design and build modern user interface components to enhance application performance.

• Develop and manage apps on React Native platform
• Analyse, code, debug, test, document & deploy applications
• Provide technical leadership and upgrade architecture design and solution to accommodate future expansion
• Ensure quality control processes are successfully employed.
• Experience in React-Native based app development is a must
• Experience in Mobile app development (Cross platform apps)
• Must have published at least 1 major React-Native app
• Knowledge of service workers implementation for Progressive Web Application (PWA)
• Demonstrated ability with HTML5, CSS3, Bootstrap, jQuery, and other JS frameworks React JS
• Development experience of UI (layouts, animations, etc.)
• Good understanding of Design and Architecture Patterns
• Understanding of iOS and Android Code signing process and deployment model
• Understanding of Unit Testing, Debugging Methodology used in React Native Apps
• Understanding on integration of native modules with React Native code
• Experience with caching and scaling techniques