Senior Front-End 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.

We are looking to hire an experienced AngularJS Developer to join our dynamic team. 

To ensure success as an AngularJS Developer, you should have extensive knowledge of theoretical software engineering, be proficient in JavaScript, HTML, and CSS, and have excellent project management skills. 

• Proficient understanding of Angular
• Experience of working on DOM based JavaScript frameworks.
• Experience with JavaScript, HTML, CSS and jQuery.
• Familiarity with ticketing tools JIRA & Trello.
  Excellent in analytical and multitasking skills.
• UX (Front-End) development.
• Ability to work with a team of developers, communicating professionally and effectively.

Job Description

We are looking for an expert JavaScript developer who is skilled with Vue.js or ( Angular or React latest). Your primary focus will be developing user-facing web applications and components. You’ll implement them with the Vue.js framework, following generally accepted practices and workflows. You will ensure that you produce robust, secure, modular, and maintainable code. You will coordinate with other team members, including back-end developers and UX/UI designers. Your commitment to team collaboration, perfect communication, and a quality product is crucial.

Responsibilities

• Developing user-facing applications using Vue.js
• Building modular and reusable components and libraries, Optimizing your application for performance
• Designing features and applications for mobile and multiple screen sizes
• Implementing automated testing integrated into development and maintenance workflows
• Staying up-to-date with all recent developments in the JavaScript and Vue.js space
• Creating prototypes for testing for functionality testing

Skills

• Highly proficient with the JavaScript language and its modern ES6+ syntax and features
• Highly proficient with Vue.js framework and its core principles such as components, reactivity, and the virtual DOM
• Familiarity with the Vue.js ecosystem or any other latest versions fronted js like Angular and react
• Good understanding of HTML5 and CSS3, including SASS, SCSS
• Understanding of server-side rendering and its benefits and use cases
• Knowledge of functional programming and object-oriented programming paradigms
• Ability to write efficient, secure, well-documented, and clean JavaScript code
• Familiarity with automated JavaScript testing
• Proficiency with modern development tools, like Git
• Experience with both consuming and designing RESTful APIs

Experience

• 4+ Years of experience in UI development role in product based organization.
• Should possess experience in handling a team of developers.

• Experience with Web Components and Custom Elements
• Understanding of data visualization concepts and technologies (SVG, D3.js)
• Familiarity with JavaScript build tools such as Webpack.
• Git Source Control
• Unit and E2E Testing - Cypress.io / Chai / Karma / Jasmine / etc.
• Experience building responsive interfaces.
• Good sense for building visually appealing products.
• Some Node experience
• Experience using RESTful Web Service Architecture
• Experience working in Agile Environments
• To be considered for this role, you must have:
• A deep understanding of building complex, single-page JavaScript apps using frameworks such as Angular, React, or Vue
• Fluency with JavaScript, TypeScript, CSS and SASS

• In this Senior Front End Engineer position, you will:
• Inherit a well-architected, clean and robust codebase built with TypeScript, Angular, and SCSS/SASS with a modern interface
• Work with our design team and other engineers to make sure our application is performant and intuitive to use
• Evaluate and implement new libraries and components
• Ensure best practices are followed in the design and development of the application
• Contribute to and help manage our open source libraries

• Collaborate with team members to develop high quality software.
• Develop intuitive software that meets and exceeds the needs of the company.
• Professionally maintain all software and create updates regularly to address customer and company concerns.
• Analyze and test programs and products before formal launch. Troubleshoot coding problems quickly and efficiently.
• Designing, developing, and testing UI for mobile and web applications. Build reusable code and libraries for future use.
• Accurately translate user and business needs into functional frontend code

• Minimum 3 years experience in React redux and Flux
• 3 years experience in Frontend skills
• Familiarity with database technology such as MySQL,  MongoDB. ·
• Good communication. 

What we're looking for 

AdPushup is an award-winning ad revenue optimization platform and Google Certified Publishing Partner (GCPP), helping hundreds of web publishers grow their revenue using cutting-edge technology, premium demand partnerships, and proven ad ops expertise. Our team is a mix of engineers, marketers, product evangelists, and customer success specialists, united by a common goal of helping publishers succeed. We have a work culture that values expertise, ownership, and a collaborative spirit. 

Your Day-to-Day Tasks Include: 

Ship product, independently and/or as part of a small team 

Collaborate with other engineers to build new features 

Debugging using dev consoles, firebug, firecookie, or any of your favorite tools. Help troubleshoot production issues and resolve critical customer facing issues Provide top-notch support to our customers 

You Should Have: 

3+ years of experience with React. 

A strong body of prior front end work, including significant projects written in React and Redux. Mastery of JavaScript; expertise in most of the following technologies, and proficiency in all of them: CSS3, HTML5, AJAX. 

Deep understanding of closures, prototypal inheritance, HTTP, web security, cross browser compatibility challenges. 

Experience with NodeJS and Express JS will be a plus 

Hands-on with a code management system like GIT, SVN. 

Experience with NoSQL databases, preferably CouchDB or CouchBase. 

Good to have: Experience with Typescript.