Frontend Developer

Need IMMEDIATE JOINERS ONLY.

Candidate must have Experience with Language React, Angular,MobX, and SCSS .

Candidate should have Hands-on experience working with RDBMS

Candidate should have developed from scratch.

Candidate should be more stronger in Angular.

Candidate from service based companies will be preferred.

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 seeking a talented and experienced Frontend Developer to join our on-site team full time. As a Frontend Developer, you will be responsible for developing user-friendly, responsive and high-performance web applications.

Responsibilities:

• Develop responsive and user-friendly web applications.
• Collaborate with designers and other developers to implement visual designs and user interface elements.
• Optimize web applications for maximum speed and scalability.
• Write clean, maintainable and reusable code.
• Participate in code reviews and ensure code quality.
• Troubleshoot and debug issues as they arise.
• Stay up-to-date with emerging trends and technologies in frontend development.

Requirements:

• 1 year of experience as a Frontend Developer.
• Proficient in HTML, CSS, and JavaScript.
• Familiarity with modern frontend frameworks like React, Nextjs.
• Experience with CSS preprocessors like Sass or LESS.
• Knowledge of responsive web design and cross-browser compatibility.
• Understanding of version control systems like Git.
• Ability to work in a collaborative environment.
• Excellent problem-solving and analytical skills.

If you are a self-starter who is passionate about frontend development and looking for a challenging opportunity, please apply with your resume and a cover letter explaining your experience and why you are the best fit for this role. This is an on-site, full-time position.

Responsibilities :

1. Develop user-facing stack from scratch
2. Build reusable code and libraries for future use
3. Ensure the technical feasibility of UI/UX designs
4. Optimize application for maximum speed and scalability
5. Collaborate with other team members and stakeholders

Technology Skills :

1. Proven 4 years work experience as a ReactJS Frontend developer
2. In-depth understanding of the entire web development process (design, development and deployment)
3. Good experience with Typescript and ReactJS (17.x). NodeJS knowledge is a plus.
4. Familiarity with Unit Testing Frameworks, UI Testing, Monorepos and Graphql principles
5. Knowledge of Alerting and Monitoring tools
6. Knowledge of SPA principles
7. UI Performance: should have hands on experience of optimising page load, rendering, caching
8. Sense for appeal & aesthetics from a usability perspective.

Soft Skills :

1. Obsessed with best practices, structuring, documentation and have an eye for detail.
2. Self starter with a high level of drive and commitment.
3. High energy and drive to work in a startup environment.
4. Conceptual thinking, flexibility and ability to juggle with multiple responsibilities.
5. Ability to work under pressure and confidence to deal with complex issues.
6. Good communication skills.
7. Hands-on and detail oriented.

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 using Typescript. 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.

React.js Developer Responsibilities:

- 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 a highly responsive user interface 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.

React.js Developer Requirements:

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

- Previous experience working as a react.js developer.

- In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.

- Knowledge of REACT tools including React.js, Typescript, Redux, Flux, HTML / CSS.

- Experience working with Graphql and Hasura is a plus

- Knowledge of performance testing frameworks including Mocha and Jest.

- Experience with browser-based debugging and performance testing software.

- Excellent troubleshooting skills.

- Good project management skills.

- Minimum of 2 years experience with React Js

- Minimum of 3 years of web development experience.

Job Responsibilities:

• Collaboratively work with UX team, product managers, back-end engineers and other technical teams to create new, delightful and scalable UI
• Mentor junior members through training and individual support
• Responsible for all front end development on a project
• Ensure the technical feasibility of UI/UX designs
• Optimize application for maximum speed and scalability
• Identify and troubleshoot UX problems (e.g. responsiveness)
• Conduct layout adjustments based on user feedback
• Adhere to style standards on fonts, colors and images
• Optimize existing user interface designs
• Proactively learn and accordingly apply new technologies, best design practices and usability patterns

The ideal candidate must - 

• 5+ years of experience working with React or React-based frameworks
• Proficiency with browser-based debugging and performance testing
• Proficiency in Git and version control
• Considerable experience with a testing framework (Jest/Mocha)
• Familiarity with RESTful APIs and GraphQL
• Knowledge of modern authorization mechanisms, such as JWT Tokens
• Good understanding of common front-end development tools such as Babel, Webpack, NPM, Yarn etc
• Hands-on experience with CSS-in-JS libraries
• Proficient understanding of cross-browser compatibility issues and ways to work around them
• Keen to learn, mentor and willingness to take ownership of work items
• Possess strong communication and self-accountability

• Overall 4 years development experience with 2+ years of professional experience working with React Native
• An understanding of React Native best practices and a commitment to following them.
• Experience with popular React Native workflows such as Redux and ESLint, Jest, Enzyme.
• Experience with Agile development, scrum.

Requirements : 

a) CSS / Bootstrap : Flex Layout/ability to demonstrate the cascading nature of CSS clearly with example/Positioning.

b) Pure JavaScript: Prototype chain and inner workings of inheritance in JS. Understood DOM, Events, Event Bubbling, and Capturing/ ability to demonstrate it with example/ Promises and their use cases.

c) TypeScript: Basic understanding of using TS. Union Types, Index Signatures,

d) REST: Backend experience. REST principles, URL structures for APIs. integration using native JS (fetch and Promises) and in Angular. use cases of getting vs POST vs PUT vs PATCH.

e) Angular :  Abstractions of Angular Component, Service, Pipe, Directive, Module, Lifecycles. Knew advanced patterns as well Dynamic Components, Content Projection, Reactive Forms, ViewChild, ContentChild. Understood Observables and various operators demonstration of Design Skills ability to create the component and module hierarchy for a moderately complex application, along with their interactions

Job Role:

• Build pixel-perfect, buttery smooth UIs across both mobile platforms.

• Leverage native APIs for deep integrations with both platforms.
• Diagnose and fix bugs and performance bottlenecks for performance that feels native.

• Maintain and write clean code to ensure the product is of the highest quality.