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.

React Developer

Company - PragetX Technologies LLP

Location - Ahmedabad 

Position – React Developer

Company Description:

PragetX is a software development and digital marketing company based in Ahmedabad and USA. We provide different types of IT services like Web and App Development, Custom Software Development, ERP Solutions, UI/UX Design, Cloud Solutions and Database Management. 

Along with IT services, we also provide Digital Marketing and Branding services like SEO, SEM, SMM, SMO, PPC, Affiliate and Email Marketing, Brand Design, Brand Management, Brand Marketing etc.

Job Overview:

We're looking for a React Developer to join our growing frontend team. As a React Developer, you will help develop the next generation of our apps using tools such as React.js, Redux, Enzyme and Webpack.

Responsibilities:

• Developing and implementing highly-responsive user interface components using React concepts.
• Developing and implementing front-end architecture to support user interface concepts.
• Building reusable components and front-end libraries for future use
• Ability to build apps and websites that are extremely sensitive.
• Create data visualization tools, libraries, and reusable code for prospects
• Integrate designs and wireframes within the application code
• Translate wireframes and designs into good quality code
• Good understanding of CSS libraries, GIT, Sigma, Adobe XD etc.
• 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
• Design and develop new custom components to meet project requirements

Skill Required:

• Minimum 1.5+ years of experience
• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• Thorough understanding of React.js and its core principles
• Experience with popular React.js workflows (such as Flux, Redux,Create React App, data structure libraries.
• Understanding of RESTful APIs/GraphQL, HTML/CSS, ES6 (variables and scoping, array methods) 
• Familiarity with modern front-end build pipelines and tools (CI/CD tools, DevOps, performance testing frameworks like Mocha, Node + NPM)
• Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
• Ability to understand business requirements and translate them into technical requirements
• Familiarity with code versioning tools (such as Git, SVN, and Mercurial)

Qualification:

Degree in computer science

MCA

Software Engineering

• 4+ years of experience in designing, developing, and maintaining React-based applications
• 4+ years of hands-on experience in developing medium to large-scale applications using Javascript frameworks
• Experience with projects that involve, improving the reliability and performance of your web-apps, by leveraging different observability tools like Lighthouse, Sentry, and Datadog.
• Good understanding of functional programming paradigms and UI architecture patterns
• A decent understanding of cloud infrastructure like AWS to orchestrate and manage our applications.
• Experience with testing frameworks like JEST, modern auth mechanisms, and server-side rendering through frameworks like NextJS
• Experience with backend technologies like JAVA, and Kotlin would be good to have.

Product Development

• Ability to scope, review and refine user stories for technical completeness and to resolve dependency risks.
• Well-versed in working in an agile environment and being involved in different stages of SDLC - Design, Development, Code Review, Testing, and Release Management
• Ability to work with different CI/CD frameworks, with hands-on experience with Git or any similar source code management tools
• Continuously refactor applications so that they are easy to maintain, easy to extend, and contribute to

Your Tech Stack

Web Application Frameworks: React, Ruby on Rails

Programming Languages: ReasonML/Rescript, Typescript, Javascript, Kotlin, HTML, CSS

Tools and Libraries: Webpack, Sentry, NextJS, NodeJS, Jest, Figma

Communication: HTTP, GraphQL, Amazon SQS, Amazon SNS

Observability: Google Analytics, Lighthouse, Sentry, Kibana, Datadog

What you will build with us?

The front-end platform at Porter is geared toward developing a variety of products for customers, partners, and our internal teams. You will be a part of Porter’s Web Engineering Platform team.

What will be your primary focus?

1. enabling our engineering teams to create highly reliable and scalable software systems, reduce client and server outages and increase system hygiene.
2. building the right set of tooling and flows for our web and mobile teams, for improving developer productivity. This will enable our application teams to churn out user features rapidly and will help them build the best-in-class product solutions for our business teams.
3. work on security initiatives, to protect information and information systems from unauthorized access, use, disclosure, disruption, modification, or destruction in order to provide confidentiality, integrity, and availability.

What will you closely influence?

1. Providing the right user experience to our customers, partners, and cc agents when they reach out to us
2. Building tools to help boost user growth on our platform including our driver onboarding, training and certification system, referral system, and lead management models. A step towards sustainable user growth and providing personalized experiences, on our platform
3. Unlocking new growth levels for Porter, in form of our new vibrant customer base through business initiatives like Packers and Movers, Part-Load, and help Porter on its journey to becoming a super Logistic App.
4. Enabling us to engage our partner ecosystem better with our fast-moving initiatives in the Insurance and Lending segments. Your work here will directly impact the livelihood of our partners
5. Solving problems related to optimal pricepoint for partners and customers, matchmaking with supply and demand, and building confidence around payment experience and location tracking.

We are looking for a skilled and experienced front-end developer to join our product team. This role requires you to be a tech-savvy contributor in translating the customer needs and user expectations into interactive web apps. You’ll be an exceptional problem solver and take responsible actions in ensuring the application is optimised both in technology and in delivering the best user experience. If you share our passion to create and define interactive web pages, we are happy to hear from you!

What You'll do-

• Work closely with design, product management, and development teams to create elegant, usable, responsive and interactive interfaces across multiple devices.
• Implement UI development principles to ensure that the product client-side serves at scale.
• Review and optimize usage by monitoring key metrics and rectifying the issues proactively.
• Ensure the technical feasibility of UI/UX designs-Turning UI/UX designs into prototypes, creating awesome interactions from designs, writing reusable content modules, and ensuring the maintainability of the code.
• Build reusable code and libraries for future use
• An ability to perform well in a fast-paced environment and bring in optimal flow for rapidly changing design/ technology.

Technical Requirements-

• At least 1 to 3 years of relevant work experience as a web developer, UI developer, JavaScript expert, or a frontend engineer
• Be familiar with Responsive Web Design, common Web UX patterns and anti-patterns
• Be able to tell good design from bad design
• Be able to write clean, maintainable code which others can work on
• Familiar with UI layouts, SASS, bootstrap, and Material UI
• Experience debugging using popular JavaScript-based tools like Chrome Developer Console
• You have mastery in DOM manipulation (including jQuery) and understand components, CTAs
• Know browser behaviour, performance, compatibility and cross-browser issues
• Proficient understanding of code versioning tools, such as Git,
• You take pride in working on advanced CSS, animations and responsiveness
• You seem to have good architectural & design skills
• Ability to own, end to end responsibility - right from the requirement to release
• Ability to produce bug-free and production-grade code
• Be great at debugging, including identifying page speed and performance bottlenecks, using tools like Chrome Dev Tools, React Dev Tools, etc.
• The skills that we consider - CSS, JavaScript, React, Redux, Node.js

Required Skills

• Javascript, ReactJS, Redux, NodeJS, HTML, CSS

Good to have-

• Knowledge of TDD frameworks mocha, chai, jest etc.
• Understanding of Typescript
• Understanding of ReactJS based frameworks like NextJS, Gatsby, etc.
• Understanding of REST API
• Passionate to create good design and usability

• 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.

•  Lead the design and implementation of our new web-based user interface for our partner management service
  •    Work effectively with product management, UX designers and backend engineers
  •    Commit to deliver high quality, robust, and accessible user interface
  •    Follow software development best practices including writing unit tests and perform code reviews
  •    Build reusable components and libraries and optimize for maximum performance
  •    Provide production deployment support and troubleshooting

What you need to be ready: 

•  Minimum 3+ years of experience in UI Development
•  Thorough understanding of React.js and its core principles with minimum 2 years of experience
•  Prior experience in building customer facing web Application
  •    In-depth knowledge of HTML, Typescript/JavaScript, CSS/Sass, and related frameworks and libraries
  •    Thorough understanding of React.js and its core principles with minimum 2 years of experience
  •    Experience in Single Page Application architecture
  •    Proficient in writing tests using Jest, Mocha or any similar framework
  •    Strong computer science fundamentals in design, data structures, and problem solving
  •    Excellent troubleshooting skills