React Native Developer

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.

Role: React Developer

Location: Pune

Experience Range: 3–4 years (Mandatory)

Experience Required:

• Strong experience in JavaScript / TypeScript, modern JS concepts, frameworks, and libraries
• Hands-on experience with React.js, including async programming concepts
• Solid experience building production-grade mobile applications using React Native
• Strong state management expertise, including:
• Redux / Redux Toolkit
• Context API
• Other relevant state management libraries or patterns

MUST-HAVES:

• 5+ years of professional experience in web development.
• Strong proficiency in React.js and the Next.js framework.
• Solid understanding of JavaScript (ES6+), HTML5, Tailwind and TypeScript.
• Experience with server-side rendering (SSR) and static site generation (SSG).
• Familiarity with state management libraries (e.g., Redux, Context API).
• Proficient with version control systems like Git.
• Experience with modern build tools and package managers (e.g., Webpack, Babel, NPM/Yarn).
• Familiarity with API integration (REST, GraphQL).
• Strong understanding of web performance optimization techniques.
• Knowledge of testing frameworks (e.g., Playwright, Jest, Cypress).
• Ability to work in an Agile environment, collaborate with cross-functional teams, and deliver high-quality code under tight deadlines.

SKILLS: REACT, REACT NATIVE, PLATFORM INTEGRATION, JAVASCRIPT

Notice Period: 0-15 Days only

Additional Guidelines:

Interview process: - 2 Technical round + 1 Client round

3 days in office, Hybrid model.

JOB DESCRIPTION:

We are seeking a highly skilled Senior Web Developer with deep expertise in React and Next.js to join our growing team. The ideal candidate will have extensive experience in building high-quality, scalable web applications and will take ownership of both frontend development and architecture. As a Senior Developer, you will collaborate closely with product managers, designers, and other developers to deliver robust and performant solutions. Your ability to solve complex problems, optimize web performance, and mentor junior developers will be key to success in this role.

KEY RESPONSIBILITIES:

• Design, develop, and maintain web applications using React and Next.js.
• Architect and optimize web pages for speed and scalability.
• Build reusable components and front-end libraries for future use.
• Implement server-side rendering and static site generation using Next.js.
• Collaborate with the backend team to integrate APIs and ensure seamless front-end and back-end communication.
• Ensure the technical feasibility of UI/UX designs and implement pixel-perfect user interfaces.
• Work with product teams to build features that improve user engagement and satisfaction.
• Troubleshoot, debug, and upgrade existing systems.
• Provide technical leadership and mentorship to junior developers.
• Stay up-to-date with the latest web development trends, frameworks, and tools.

REQUIREMENTS:

• 5+ years of professional experience in web development.
• Strong proficiency in React.js and the Next.js framework.
• Solid understanding of JavaScript (ES6+), HTML5, Tailwind and TypeScript.
• Experience with server-side rendering (SSR)and static site generation (SSG).
• Familiarity with state management libraries (e.g., Redux, Context API).
• Proficient with version control systems like Git.
• Experience with modern build tools and package managers (e.g., Webpack, Babel, NPM/Yarn).
• Familiarity with API integration (REST, GraphQL).
• Strong understanding of web performance optimization techniques.
• Knowledge of testing frameworks (e.g., Playwright, Jest, Cypress).
• Ability to work in an Agile environment, collaborate with cross-functional teams, and deliver high-quality code under tight deadlines.

PREFERRED QUALIFICATIONS:

• Experience with Next.js API routes and serverless functions.
• Familiarity with cloud platforms (e.g., AWS, Vercel) and CI/CD pipelines.
• Experience with modern CSS frameworks (e.g., Tailwind, Styled Components).
• Knowledge of SEO best practices for React and Next.js applications.
• Contributions to open-source projects or a portfolio of personal projects.

Strong React Native Frontend / Mobile Developer Profile

Mandatory (Experience 1) – Must have minimum 5+ YOE in React Native with JavaScript (including ES6+ syntax).

Mandatory (Experience 2) – Must have 4+ years of hands-on native mobile development experience for both Android and iOS platforms

Mandatory (Skills 1) – Must have expertise in state management using React Hooks & Redux for efficient data flow.

Mandatory (Skills 2) – Must have experience in publishing apps to Play Store and App Store.

Mandatory (Education) - B.E / B.Tech

Mandatory (Note) - Considering candidates from South India only

Founding engineer for a stealth startup building social media application for parents. Full stack developers with a spike on front end (specifically React Native) preferred. Immediate hiring need. Please specify notice period.

We are an IIT Bombay incubated, healthcare start up developing a mobile based Ai technology to help reduce health risks for women during their pregnancy. Our Founders are Harvard and Columbia University alums with extensive experience in digital health in the US and India.

Mobile Development Engineer - React Native (Location: Mumbai)

Requirements:

2-4 years of experience on React Native. Good understanding of start up environment.

1.     Advanced knowledge of React Native.

2.     Excellent knowledge of React native libraries, Redux, HTML5, CSS3, JavaScript.

3.     Excellent knowledge on android and iOS UI design principles, patterns and best practices.

4.     Experience working with publishing on stores.

5.     Experience working with Rest APIs.

6.    Knowledge of integration and utilization of cloud services and payment systems.

7.    Should have played a key role in conceptualising to deployment of apps using React Native.

8    Project management, scheduling, allocation and delivery.

9.    Proven experience of agile development, sprint planning and backlog management.

10.   Keen focus on customer, excellent communication skills, with high level of responsiveness and responsibility.

Good to Have:

Full Stack experience.

Experience working on chat apps, community, and healthcare domain. 

Exposure or Interest in NLP, Machine Learning.

Mastree's engineering team is working towards building a data science engine that enables students to learn in a way they understand the best. We believe in delivering learning experiences through engagement. The product is designed with countless embedded interactive information pieces to help the students imbibe the concepts better. At Mastree we take pride in being a part of the product that holds the potential to revolutionise the education process.

We are looking for folks who are passionate about creating interaction rich interfaces. Creative individuals who believe in the power of visuals.

Responsibilities:

• Creating visual elements that users see and interact within our web platform.
• This makes your role crucial for the success of the product.
• Working closely with the design, product management and development teams to create elegant, usable, responsive and interactive interfaces across multiple devices.
• Ensuring that the application is optimised both in terms of technology and in delivering the best educational content.
• Building web platform for our live tutoring platform
• Creating interactive learning activities for K12 students and work on our upcoming products

Requirements:

• You are an avid programmer
• You have great grasp of fundamentals of JavaScript and ES modules, new ECMASCRIPT concepts
• You have experience in ReactJS web app development
• You are an exceptional problem solver, with attention to details.

Brownie Points:

• Good HTML and CSS skills
• Experience in React-Native app development
• Ability to work in small teams and wear multiple hats