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.

Frontend Developer (Angular) – 2-3 Year’s Experience

Role & Responsibilities:

·         Develop scalable, high-performance web applications using Angular.

·         Work closely with Spring Boot microservices via REST and GraphQL APIs.

·         Ensure responsive and accessible UI using Material UI, Tailwind CSS, or Bootstrap.

·         Optimize state management using NgRx.

·         Follow best coding practices, code reviews, and agile development.

·         Write unit and integration tests using Jest, Cypress.

·         Collaborate with UI/UX designers for intuitive, modern user experiences.

Skills Required:

·         Frontend: Angular, TypeScript, JavaScript (ES6+).

·         State Management: NgRx.

·         API Integration: REST, GraphQL (Apollo Client, Relay).

·         CSS Frameworks: Tailwind CSS, Material UI, Bootstrap.

·         Testing: Jest, Cypress.

·         Build Tools: Webpack, Babel, Vite.

·         Version Control: Git, SVN.

We are seeking an experienced Senior Shopify Developer to join our dynamic team. The ideal candidate will have a strong background in Shopify development, with a focus on creating custom solutions and apps to enhance e-commerce experiences. As a Senior Shopify Developer, you will be responsible for leading projects, collaborating with cross-functional teams, and driving innovation in our e-commerce platform.

Key Responsibilities:

• Design, develop, and maintain Shopify-based websites, ensuring high performance, responsiveness, and scalability.
• Lead the development of custom Shopify themes, apps, and integrations to meet business requirements.
• Collaborate with designers and stakeholders to translate business goals into technical solutions.
• Optimize website performance and user experience through continuous testing and refinement.
• Stay updated on the latest Shopify trends, tools, and best practices to incorporate into projects.
• Provide technical guidance and mentorship to junior developers, fostering their growth and development.
• Troubleshoot and resolve issues related to Shopify configuration, functionality, and third-party integrations.

Requirements:

• Minimum of 3 years of experience in Shopify development, with a strong portfolio showcasing custom Shopify themes and apps.
• Expertise in Shopify Liquid programming language and Shopify APIs.
• Proficiency in front-end technologies such as HTML, CSS, JavaScript, and React.js.
• Experience with version control systems such as Git.
• Strong understanding of e-commerce best practices and principles.
• Excellent problem-solving skills and attention to detail.
• Ability to work collaboratively in a fast-paced environment and manage multiple projects simultaneously.
• Strong communication skills, with the ability to effectively communicate technical concepts to non-technical stakeholders.

Looking for candidates only with tier 1 colleges OR have a minimum 1yr of experience in a product-based company.

The primary role is a Frontend software engineer, designing and building user-friendly and intuitive applications
You will be involved and drive product & design discussions.

Desired Skills
● Minimum 1+ years of coding experience.
● Proficiency using modern web development technologies and techniques, including HTML5, CSS, JavaScript, etc.
● Knowledge of professional software engineering practices & best practices for the full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations.
● Programming experience with at least one modern framework such as ReactJS or VueJs.
● A strong product design sense.
● Understand end user requirements, formulate use cases and come up with effective solutions.
● Good understanding of REST APIs and the web in general.
● Ability to build a feature from scratch & drive it to completion.
● Excellence in technical communication with peers and non-technical cohorts.
● Ability to learn and work independently and make decisions with minimal supervision

• Overall 3+  years of software development experience in building web-based and highly scalable applications. 

• Excellent understanding of core computer science concepts like algorithms, data structure, system design, OOP, etc. 

• Deep knowledge and development expertise in React Native/ReactJS 

• Hands-on coding experience in developing multi platform (iOS & Android) mobile applications with REST APIs.

• Experience working as a Full stack developer is a big plus.

• Experience in building single page applications or Javascript heavy front end applications in ReactJS is a big plus.

• Experience working in cloud environments with CI/CD and infrastructure automation is a big plus.

• Experience working in an agile team with software engineering practices like automated testing, test-driven-development, continuous integration, etc is a big plus. 

• Strong oral and written communication.

Requirements

• 2-5 years of experience as a front-end developer
• Experienced in developing applications using JavaScript, ReactJS, Redux, Redux Saga, NodeJS, HTML5, CSS3/CSS4 and other UI technologies.
• Understanding and experience with ES6 concepts, asynchronous processing, partial page refresh, DOM traversal and manipulation.
• Experience with REST API construction, documentation, and architecture, including API description languages like Swagger.
• Comfortable writing Unit Test Cases (Enzyme/ Jest)
• Familiar with cloud services: AWS, Dev-ops such as Git, Jira, Confluence
• Good to have experience/knowledge of
  • Spring (MVC, IOP/DI, REST, Security)
  • Docker,
  • Scala,
  • Python
• Able to connect the dots between code and business value

Responsibilities

• Engage in high level conversations about business strategy and the role tech plays in it
• Write well-designed, testable, and efficient code that powers our application
• Write specs and do planning for everything we build
• Conduct application analysis, testing, and debugging
• Diligently document code to keep it clean and transparent
• Ensure cross-browser and device compatibility

You Are

• You believe it’s always on you to make sure anything you do is a success.
• You have the ability to make quick and effective decisions.
• In love with a challenge. You revel in solving problems and want a job that pushes you out of your comfort zone.
• Open to change. You’re inspired by the endless ways in which everything we do can always be improved.

Add-Ons/Interview Process

• You should be comfortable working in a Start-up for in-house product development.
• Will not be engaged with any Client, but with the internal team (in India & the US).
• Will be provided a hands-on exercise to complete and submit as a part of interview.