Senior Front-End Product Engineer (React, Next.js, UI/UX)

Job Title : Frontend Developer (React.js, Next.js - SSR & SSG)

Experience : 2 to 6 Years

Location : Gurugram (Sector 65)

Work Schedule : Monday to Friday (Saturday if required)

About the Role :

We are looking for a skilled Frontend Developer (React.js, Next.js - SSR & SSG) to join our team. The ideal candidate will be responsible for building high-quality, scalable, and responsive web applications while collaborating closely with design and backend teams.

Mandatory Skills :

React.js, Next.js (SSR & SSG), JavaScript (ES6+), TypeScript, HTML, CSS, SCSS, Bootstrap, Responsive Web Development, State Management (Redux/Context API), Performance Optimization, API Integration

Key Responsibilities :

• Collaborate with designers and backend engineers to convert UI/UX designs into clean, efficient, and responsive front-end code.
• Develop reusable UI components using modern frameworks such as React and Next.js.
• Implement styling using SCSS and ensure responsive design using Bootstrap.
• Optimize applications using Server-Side Rendering (SSR) and Static Site Generation (SSG) in Next.js.
• Contribute to and maintain a scalable design system for consistency across the platform.
• Ensure high performance, speed optimization, and cross-browser compatibility.
• Identify, debug, and resolve front-end issues to enhance user experience.
• Write clean, maintainable, and well-documented code following best practices.
• Participate in code reviews and contribute to continuous improvement of code quality.
• Maintain and enhance existing front-end features and components.
• Stay updated with the latest trends and technologies in front-end development.

Required Skills & Qualifications :

• 2 to 6 years of experience as a Frontend Developer.
• Strong proficiency in HTML, CSS, JavaScript (ES6+), and TypeScript.
• Hands-on experience with React.js and Next.js.
• Experience with SCSS for modular and component-based styling.
• Strong understanding of Bootstrap for responsive UI development.
• Experience implementing SSR and SSG in Next.js.
• Knowledge of responsive design and modern UI/UX principles.
• Familiarity with state management tools such as Redux, Recoil, or Context API.
• Experience with testing tools like Jest or Cypress.
• Knowledge of performance optimization techniques (e.g., lazy loading, code splitting).
• Basic understanding of blockchain concepts and tools like web3.js or ethers.js is a plus.
• Strong communication, problem-solving, and teamwork skills.

Good to Have :

• Experience working with design systems or component libraries.
• Exposure to Web3 or blockchain-based applications.
• Familiarity with Agile development methodologies.

ReactNative ● Proficient in React, JavaScript (ES6+), and TypeScript. ● Expertise in state management libraries (Redux, Zustand, etc.). ● Hands-on experience with react-navigation and deep linking. ● Solid understanding of Expo (both managed and bare workflows). ● Knowledge of native development (Swift/Objective-C for iOS, Java/Kotlin for Android). ● Experience with custom native module bridging and native UI integration. ● Strong debugging skills using tools like Flipper and Chrome DevTools. ● Familiarity with Jest, React Native Testing Library. ● Experience with REST APIs, GraphQL, and real-time data (WebSockets). ● Ability to manage OTA updates with EAS Update and configure EAS Build. ● Experience in app publishing and release lifecycle on both Play Store and App Store. ● Knowledge of secure storage, token handling, and app-level security practices. 

Description :

Job Title : React Native Developer

Experience : 3 - 5 years

Location : Bangalore

Company : Tradelab

About the Role :

We are looking for a skilled React Native Developer to join our dynamic team at Tradelab. The ideal candidate will have hands-on experience in building and deploying mobile applications using React Native and a strong understanding of modern JavaScript frameworks.

Key Responsibilities :

- Develop and maintain high-quality mobile applications using React Native.

- Collaborate with designers, product managers, and backend developers to deliver seamless user experiences.

- Write clean, maintainable, and efficient code following best practices.

- Optimize application performance and troubleshoot issues across iOS and Android platforms.

- Integrate APIs and third-party libraries as needed.

- Participate in code reviews and contribute to continuous improvement.

Required Skills & Qualifications :

- 3 - 5 years of professional experience in mobile app development.

- Strong proficiency in React Native, JavaScript (ES6+), and related technologies.

- Experience with Redux, React Navigation, and other state management tools.

- Familiarity with native build tools like Xcode, Android Studio, and Gradle.

- Understanding of RESTful APIs and asynchronous programming.

- Knowledge of mobile UI/UX standards and responsive design principles.

- Experience with version control systems (e.g., Git).

Nice to Have :

- Exposure to TypeScript.

- Experience with CI/CD pipelines for mobile apps.

- Knowledge of testing frameworks like Jest or Detox.

Why Join Us ?

- Work on cutting-edge trading technology solutions.

- Collaborative and innovative work environment.

- Opportunities for professional growth and learning.

👉 Start your AI interview now: https://lnkd.in/dGzErFMQ

Job Title: Sr. Frontend Developer (Javascript)

Location: Remote Only

Experience Required: 4–6 years

Salary Range: 7L – 10L per year

About the Role:

We are looking for an experienced Sr. Frontend Developer with strong expertise in Javascript to join our remote team. The ideal candidate will have 4–6 years of hands-on experience in frontend development, with a focus on building responsive, high-performance web applications. You will work closely with cross-functional teams to design, develop, and implement user-facing features that align with business goals and enhance user experience.

Key Responsibilities:

• Develop and maintain scalable, reusable frontend components and applications using modern Javascript frameworks and libraries.
• Collaborate with UI/UX designers, product managers, and backend developers to deliver seamless user experiences.
• Optimize applications for maximum speed, scalability, and accessibility.
• Write clean, modular, and well-documented code following best practices.
• Participate in code reviews, sprint planning, and agile development processes.
• Troubleshoot, debug, and resolve frontend-related issues.
• Stay updated with emerging frontend technologies and industry trends.

Must-Have Skills:

• Javascript (ES6+)
• React.js
• React Native
• NodeJS (Node.js)
• SQL

Nice-to-Have Skills:

• Experience with state management libraries (Redux, Context API, etc.)
• Familiarity with testing frameworks (Jest, Cypress, React Testing Library)
• Knowledge of frontend build tools (Webpack, Babel, NPM/Yarn)
• Understanding of RESTful APIs and GraphQL
• Experience with version control systems (Git)
• Familiarity with CI/CD pipelines and deployment processes

Qualifications:

• 4–6 years of professional frontend development experience.
• Proven track record of delivering high-quality, production-ready applications.
• Strong understanding of responsive design, cross-browser compatibility, and web performance optimization.
• Excellent problem-solving skills and attention to detail.
• Ability to work independently in a remote environment and communicate effectively with distributed teams.

What We Offer:

• Competitive salary within the range of 7L – 10L per year.
• Fully remote work flexibility.
• Opportunity to work on innovative projects with a talented and supportive team.
• Professional growth and skill development opportunities.

As a member of the development group, you will be primarily responsible for the design, development, and maintenance of the product:  

• Help define and create full stack architecture and deployment using React- Django-AWS in an agile environment with lots of ownership and active mentoring 
• Work with the Product and Design teams to build new features to solve business problems and fill business needs 
• Participate in code reviews to create robust and maintainable code 
• Work in an agile environment where quick iterations and good feedback are a way of life 
• Interact with other stakeholders for requirement, design discussions and for adoption of new features 

• Communicate and coordinate with our support and professional services teams to solve customer issues 
• Help scale our platform as we expand our product across various markets and verticals globally 
•  

As a young, fresh startup, we are hoping to be joined by self-starting, hardworking, passionate individuals who are committed to delivering their best, who can grow into future leaders of FactWise. 

• Leading a team, Collaborate with team to deploy and continuously improve our solutions
• 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 and pixel perfect code.
• Optimising components for maximum performance across a vast array of web-capable devices and browsers.
• And everything that a coder does.

• Strong proficiency in JavaScript, including DOM manipulation and theJavaScript object model.
• Thorough understanding of React.js and Redux its core principles.
• Familiarity with newer specifications of ECMA Script is a plus.
• Familiarity with RESTful APIs.Knowledge of modern authorisation 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.
• Ability to understand business requirements and translate them into technical requirements.
• Lead a product (would be a plus)
• Have managed a team before

Fulfil’s software engineers develop the next-generation technologies that change how millions of customer orders are fulfilled by merchants. Our products need to handle information at a massive scale. We're looking for engineers who bring fresh ideas from all areas into our technology.

As a Front End software engineer, you will work on the ReactJS powered user interface used by Fulfil merchants to manage their back-office operations. This is mission critical software and your primary focus will be on developing user interface components and implementing them following well-known React.js workflows. You will ensure that these components and the overall application are robust and easy to maintain. In this role, you will be collaborating closely with the rest of the team working on different layers of infrastructure in an international environment. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality are important.

What You’ll Do:

• Collaborate with a small yet extraordinarily talented team of engineers to implement front-end technologies
• Develop new user-facing features using React.js and React Native
• Work closely with the Design and Product teams to translate complex technical workflows into delightful user experiences
• Define how Fulfil builds user interfaces and ensure that we’re utilizing and keeping up with modern web standards
• Continually test, measure, and iterate on the results of your work in the spirit of continuous improvement
• Write clean, reusable, and well-tested front-end code
• Help to bridge the responsibilities of the Product and Engineering teams, spending time with both on the way to launching new products
• Architect efficient and reusable front-end abstractions and systems that drive complex web applications
• Create reliable and type-safe applications with Typescript
• Build and contribute to open source projects
• Build reusable components and front-end libraries for future use
• Optimize components for maximum performance across a vast array of web-capable devices and browsers

We’re Looking for Someone With:

• 5+ years of experience as a front end engineer
• Experience in building large-scale web applications in a fast-moving team environment
• A strong understanding of UX and UI design standards
• The perfectionist’s touch on a pragmatist’s deadline: you strive for pixel-perfection and intuitive functionality
• Strong proficiency in JavaScript (2-4 Years of experience), including DOM manipulation and the JavaScript object model
• Thorough understanding of React.js and its core principles, with experience in popular React.js workflows
• Experience with common front-end development tools such as Babel, Webpack, NPM, etc
• Experience with popular testing frameworks, like Jest, Cypress, and Testing Library.
• The ability to bring any design to life with HTML and CSS, with cross browser compatibility and accessibility
• Smarts, humility, communication skills, and equal willingness to teach and learn
• Familiarity with RESTful and GraphQL APIs
• Knowledge of modern authorization mechanisms, such as JSON Web Token
• Experience in developing large client side JavaScript applications
• Familiarity with code versioning tools like GIT
• Experience with Javascript testing tools and test automation

Nice to Haves:

• Prior experience at a growth stage Internet/Software company
• Demonstrated work beyond the front-end, experienced in integrating with a wide array of back-end technologies and services (e.g. experience with Python, AngularJS)
• Experience developing large client-side applications and optimizing them for performance
• You can straddle client and server development, creating APIs that drive web apps
• You understand the intricacies of timezones
• Web optimization, performance tools, and load testing
• You maintain or contribute to an open-source project

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. 

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 highly-responsive user interface components 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, Webpack, Enzyme, Redux, and Flux.
• Experience with user interface design.
• 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.