Senior React.js 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.

• Deep understanding of JS basics and advanced features (ES6) (5+ years)
• Deep understanding of basic and advanced HTML5 / CSS3 features (5+ years)
• Hands on experience developing scalable applications using React JS (preferably using functional components) (2+ years)
• Proficiency in using hooks based approach in react development
• Hands on experience developing UI components using Material UI for React JS (2+ years)
• Experience with any of the state management libraries for React JS – Redux, Context API, Mobx etc
• Experience with unit testing using Jest, Enzyme, React Testing Library etc
• Experience with responsive design, progressive web apps and accessibility.
• Knowledge about platform tools such as NPM, Git command line tool and AWS.

. 3.5+ years of work experience on React.JS framework

· Has expertise in following front- end optimization techniques:

· Lazy Loading

· Asynchronous Module Definition

· Image Compression and Minification

· Other front-end tooling using Grunt / Webpack and NPM

· Familiarity with NodeJS, Jasmine / Karma and other unit testing frameworks

· Foundation data structure – Arrays, dictionaries, sets and lists

· Proficient in evaluating front end performance and measure accordingly

· Strong appetite to learn industry trends and new & emerging technologies

Description

Quantive is seeking an incredible Junior Frontend Engineer (Angular) with 1-2 years of relevant experience to join our growing team!

Quantive, formally Gtmhub, exists to make people successful by helping them achieve ambitious goals. We act on this by providing strategy execution solutions that help companies win. Our vision is that, one day, every company, regardless of size or resources, can achieve more than they ever thought possible.

We are honored to support over 500,000 users across 75 countries and 1,000+ organizations including Red Hat, Adobe, Societe Generale, and TomTom. We've raised over $160 million in funding, including our most recent Series C led by Index Ventures, and our global team is growing fast.

We are looking for a super-smart, innovative, and over-achieving Junior Frontend Engineer (Angular) with a passion for building solutions to customer’s biggest issues.

You will own the development of our most complex solutions and you will be responsible for building tools, apps and best practices to help the Technical Success team to scale and mature the delivery of our technical services to customers.

The successful candidate will be a strongly self-motivated and driven individual who is goal-oriented, methodical, and tenacious, and can effectively interact with a team.

As a Junior Frontend Engineer (Angular), you'll:

• Partner with Technical Success Managers to deliver technical solutions to customers
• Create custom UIs for Quantive's data using HTML, CSS, Javascript and Angular best practices
• Cooperate with web designers and Technical Success Managers to match visual designs
• Continually explore new ways to improve our solutions
• Be responsible for maintaining, expanding, and scaling our technical services offering
• Gathering and refining specifications and requirements for customer solutions based on technical needs
• Build and maintain tooling for all things customer related
• Develop and maintain reports and apps for the Quantive Marketplace

To be successful in this role at Quantive, you'll need to have:

• Previous experience in web programming
• Ability to speak English at business level
• In-depth knowledge of HTML, CSS and Javascript
• Experience with Angular and/or TypeScript
• Proficiency in SQL
• Knowledge of other programming skills is an advantage
• BA/BS degree in Computer Science or related field

What's in it for you:

• Competitive base salary and bonus opportunities.
• Quarterly bonus opportunities (up to 25%)
• Employer-covered supplementary medical insurance
• Access to 5,000+ Udemy courses for ongoing learning and development
• Stock option opportunities
• MAC or PC of your choice
• Flexible working hours and leave policy.
• A truly flexible, trust-based, performance-driven work culture.

We are looking for a Product Engineer - Senior or Lead 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
• 5+ 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.

Responsibilities:

- Creating the website architecture.

- Designing and building the website front-end.

- Managing website back-end including database and server integration.

- Managing WordPress themes and plugins.

- Conducting website performance tests.

- Troubleshooting content issues.

- Monitoring the performance of the live website.

Skill Requirements:

- Proven work experience as a WordPress developer.

- Knowledge of front-end technologies including CSS3, JavaScript, HTML5, and jQuery.

- Knowledge of code version tools including Git, Mercurial, and SVN.

- Experience working with debugging tools such as Chrome Inspector and Firebug.

- Good understanding of website architecture and aesthetics.

- Ability to manage projects.

- Good communication skills.

- Bachelor’s degree in computer science or a similar field.

We are looking for an experienced Front End Architect who is proficient with React.js. Your primary focus will be on developing efficient Front End layers using well known React.js workflows (such as Flux or Redux). You will ensure that these applications 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: 

• Architecting large scale Enterprise application Front End layers for:
• Maintainability (Modularity, Testability)
• Reusability (ComponentizationCommon Functionality)
• Performance (Caching, Resource Utilization) 
• Security
• 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 
• Optimizing components for maximum performance across a vast array of web-capable devices and browsers 
• Leading a team of high performing team React JS developers

Primary Skills:

• React JS, Redux, HTML5, CSS3, Javascript, Jquery, SASS and Typescript
• Develop  user-facing features using ReactJS
• Architect efficient and reusable front-end systems that drive complex web applications
• Identify and resolve performance and scalability issues
• Ensure the technical feasibility of UI/UX designs
• Unit-test code for robustness, including edge cases, usability, and general reliability.

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• Thorough understanding of React.js and its core principles.
• Having Experience with popular React.js workflows (such as Flux or Redux).
• Familiarity with newer specifications of EcmaScript.
• Knowledge of isomorphic React is a plus.
• Strong Proficiency in HTML 5, CSS 3
• Knowledge of modern authorization mechanisms, such as JSON Web Token.
• Familiarity with modern front-end build pipelines and tools.
• Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
• Familiarity with code versioning tools such as Git, SVN, etc.
• Knowledge of functional or object-oriented programming.
• Ability to write well-documented, clean Javascript code.
• Rock solid at working with third-party dependencies and debugging dependency conflicts.
• Understanding of REST APIs, the document request model, and offline storage. 

Experience: 

10+ years of overall experience with 4+ years of mandatory experience with React JS development

Job Location : Hyderabad,

Hiring Mode : Permanent.

Job description:

1.  3 - 6 yrs of IT Industry experience in Front-end technologies,