React Developer

Job Title: React Lead Developer

Location: Airoli, Mumbai

Work Mode: Work from Office (WFO) – Full-time

About the Role:

We are seeking a highly skilled and experienced React Lead Developer to join our growing team in Airoli, Mumbai. The ideal candidate will lead front-end development efforts, mentor developers, collaborate closely with cross-functional teams, and play a key role in delivering scalable, high-performance web applications.

Key Responsibilities:

• Lead the design and development of responsive web applications using React.js
• Collaborate with UX/UI designers, product managers, and backend teams to deliver high-quality products
• Write clean, maintainable, and well-documented code
• Optimize applications for performance and scalability
• Conduct code reviews and ensure coding best practices are followed
• Mentor and guide junior developers in the team
• Participate in architectural discussions and contribute to tech strategy
• Keep up with emerging trends and technologies in frontend development

Required Skills & Experience:

• 6+ years of experience in frontend development, with at least 3 years in React.js
• Strong proficiency in JavaScript (ES6+), HTML5, CSS3, Redux, and REST APIs
• Experience with React Hooks, Context API, and component-based architecture
• Familiarity with Webpack, Babel, and modern build tools
• Experience with version control tools like Git
• Exposure to Agile methodologies and CI/CD pipelines
• Strong problem-solving and debugging skills
• Excellent communication and leadership qualities

Nice to Have:

• Experience with TypeScript, Next.js, or React Native
• Exposure to cloud platforms (AWS/Azure)
• Familiarity with testing frameworks (Jest, Cypress, etc.)

Education:

Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field

Job Summary:

As an Application Developer, you will be responsible for designing, building, and configuring applications to meet business process and application requirements using Angular.

​

Job Responsibilities:

• Building and implementing high-quality user interfaces using JavaScript and the Angular framework
• Works independently with a broader perspective on the project
• Participates in requirements analysis, development, unit testing and documentation.
• Writes quality code to fit unique customer needs and configurations.
• Troubleshoots and debugs (with some guidance from senior team members if needed)
• Achieves better understanding of the company platform and processes and suggests improvements.
• Understanding the system architecture and technical goals of the product.
• Follow development process (source control, branching, testing etc.) without assistance.
• Actively troubleshoot issues and assist with complex support queries which require further analysis.

Job Requirements:

Must Have:

• Minimum 2 to 3 years’ experience 
• Experience on Angular
• Experience on Typescript
• Experience of NodeJS
• Knowledge of multiple front-end languages (JavaScript, HTML, CSS) and their libraries
• Experience of consuming REST API
• Demonstrate understanding of good coding practices.
• Experience of writing unit tests.
• Knowledge of implementation on cloud.
• Use of tools such as JIRA, Git, GitHub.
• Good Communication skills.
• Ability to participate in team discussions.
• Positive attitude, willingness to learn and self-motivated.

Good to have:

• Exposure on SPA Front End App
• Exposure on Rxjs, Ngrx/store, Nx monorepo, Deck.gl
• Exposure on Turf.js (GIS), cypress 
• Exposure on Storybook 
• Experience in working with Containers.
• Familiarity with database technologies such as MySQL, Oracle, or MongoDB
• Experience with Serverless.
• Ability to document code inline using JS Doc

1. Lead the development of frontend architecture and implement scalable, maintainable, and

high-performance web applications.

2. Conduct code reviews and provide constructive feedback to team members to ensure adherence to best

practices and coding standards.

3. Mentor and guide junior frontend developers, fostering a culture of continuous learning and

improvement.

4. Stay up-to-date with the latest frontend technologies, frameworks, and industry trends, and integrate new

solutions as appropriate.

5. Coordinate with the project management team to ensure the timely delivery of high-quality frontend

components and features.

6. Contribute to the development of reusable components, tools, and libraries to improve team productivity

and code maintainability.

Sr. Frontend Developer at Gyaan.AI Private Limited

Are you a skilled and experienced Frontend Developer looking for an exciting opportunity to work with cutting-edge technologies?

Gyaan.AI Private Limited is seeking a talented Sr. Frontend Developer to join our dynamic team in Pune, Maharashtra, India. As a Sr. Frontend Developer, you will play a key role in designing and developing intuitive and responsive user interfaces for our Product. This is an onsite position with a hybrid work mode, offering flexible working hours to ensure a healthy work-life balance.

Responsibilities:

- Utilize your expertise in React JS and associated tooling (Redux, Jest, Cypress & BuildPacks) to deliver high-quality, production-level code.

- Apply your in-depth understanding of JavaScript (including TypeScript), asynchronous programming, closures, types, and ES6 or ES7 to develop robust and efficient frontend solutions.

- Demonstrate a thorough understanding of React.js and its core principles, including virtual DOM, data binding, state and props, the react lifecycle, and redux middleware such as Thunk or Saga.

- Leverage your experience with front-end technologies such as HTML5, CSS3, LESS, Bootstrap, and Material UI to create visually appealing and user-friendly interfaces.

- Ensure code quality and reusability by implementing code quality and CI/CD practices (eslint, prettier, CI/CD for front-end repos).

- Ensure cross-browser compatibility, responsiveness, and adherence to web accessibility standards.

- Apply software engineering best practices, including unit testing, code reviews, design documentation, debugging, troubleshooting, and agile development methodologies.

- Implement complex features such as authentication and authorization, I18N, logging, security, and testing into developer boilerplates to minimize production errors.

Requirements:

- 4+ years of production experience with React JS and associated tooling (Redux, Jest, Cypress & BuildPacks).

- 3 years of JavaScript (and preferably TypeScript) experience, including asynchronous programming, closures, types, and ES6 or ES7.

- Thorough understanding of React.js and its core principles, including virtual DOM, data binding, state and props, the react lifecycle, and redux middleware such as Thunk or Saga.

- Experience with front-end technologies such as HTML5, CSS3, LESS, Bootstrap, Material UI, etc.

- Experience with code quality and reusability practices (eslint, prettier, CI/CD for front-end repos).

- Knowledge of cross-browser compatibilities, responsiveness, and web accessibility standards.

- Strong understanding of software engineering best practices, including unit testing, code reviews, design documentation, debugging, troubleshooting, and agile development.

- Proven experience implementing complex features like authentication and authorization, I18N, logging, security, and testing into developer boilerplates to minimize production errors.

Must-Have Skills:

- ReactJS 16+

- Redux

- Redux middleware

- CSS, PostCSS, JSS (Critical)

- TypeScript / JavaScript

Qualifications:

- Bachelor's degree in computer science or equivalent experience.

At Gyaan.AI Private Limited, we offer a competitive salary that is best in the industry, along with a stimulating work environment where you can grow and develop your skills. We value collaboration and open communication, and you will have the opportunity to work with a talented and diverse team. If you are passionate about frontend development and want to be part of a leading AI company, we encourage you to apply.

To learn more about Gyaan.AI Private Limited, visit our website: [https://www.gyaan.ai](https://www.gyaan.ai)

In 2020, We have started as India’s first influencer marketing advert built for marketers and advertisers to scale on user acquisition, branding, and lead generation. UPCRED offers an integrated platform for all things in influencer marketing from sourcing to managing to payout and all in one influencer marketing reporting through UPCRED Pixel Management, empowering millions of nano, micro, macro, mega influencers/creators and accelerating every aspect of the influencer marketing journey for brands and influencer.

Senior React Native Developer - iOS/Android Platform

Core Responsibilities:

• Develop cross-platform mobile applications in React Native which customers love using
• Work with product, design, backend teams to develop features
• Work on bindings and integrations required with native iOS and Android libraries
• Plan, estimate, and delivery your project with minimal supervision

Skills:

1 - 5 years of React Native experience with some hands-on experience with app development and launches especially deployment with the App Store and Play Store [Android + iOS].

Understanding of REST APIs, the document request model, offline storage, state management.

Experience in Firebase and App Analytics tools

Experience with Content/Video-based app.

Experience with native Android or iOS development.

Understanding of Social Video-based app Architecture

If you have a passion for building and scaling marketplaces that stand out for great customer experience, this is a game-changing role in our crazy pursuit to become India’s most-loved social brand.

We at UPCRED

Life so good, you’d think we’re kidding:

• Competitive salaries.
• An extensive medical insurance that looks out for our employees & their dependants. We’ll love you and take care of you, promise.
• Flexible working hours.
• Tailored vacation & leave policies so that you can enjoy every important moment in your life.
• Learning and upskilling opportunities.
• Good food, games, and a cool office to make you feel at home.

HOW?

Apply, and let us know your interest?

UPCRED Advert, that's how we grow, fair and transparent!

Responsibilities

• Work closely with the design and backend team to build and develop web applications for our forward-thinking products.
• Design large-scale systems with high complexity to support our high throughput applications.
• Understand how to leverage infrastructure for solving such large-scale problems.
• Develop tools and contribute to open source wherever possible.
• Adopt problem-solving as a way of life - always go to the root cause.
• Develop scalable front-end engineering, for the largest FinTech companies in India who use our product.
• Actively think about improving UX and UI.
• Collaborate with the team to discuss and implement ideas.
• Build responsive, robust, and optimized applications.

• Professional development experience with Angular 10
• At least 1-2 years of JavaScript development experience for web applications.
• Strong eye for design, UI, and UX.
• Passion for front-end development.
• Willingness to learn and experiment with new technologies.

We are looking for a React Native developer interested in building performant mobile apps on both the iOS and Android platforms. You will be responsible for architecting and building these applications, as well as coordinating with the teams responsible for other layers of the product infrastructure. Building a product is a highly collaborative effort, and as such, a strong team player with a commitment to perfection is required.

• 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.
• Reach out to the open source community to encourage and help implement mission-critical software fixes—React Native moves fast and often breaks things.
• Maintain code and write automated tests to ensure the product is of the highest quality.
• Transition existing React web apps to React Native.

What you need to have: