
Front-End Developer (React.js) – Mumbai | Immediate Joiners
Location: Mumbai
Experience: 2+ Years
Job Type: Full-Time
Notice Period: Immediate Joiners Only
About the Role
We are hiring a Front-End Developer to join our product engineering team. The ideal candidate has experience working in product-based companies and has contributed to at least one end-to-end e-commerce platform project.
Key Responsibilities
- Develop and maintain responsive UIs using React.js
- Convert UI/UX designs into reusable front-end components
- Optimize components for performance and cross-browser compatibility
- Integrate front-end with backend RESTful APIs
- Collaborate with product, design, QA, and backend teams
- Participate in code reviews, agile ceremonies, and testing
Required Skills
- Strong in JavaScript (ES6+), React.js, HTML5, CSS3
- Experience with Redux/Zustand for state management
- Knowledge of REST APIs, responsive design, and Git
- Familiarity with debugging and front-end performance optimization

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We’re hiring a skilled UI Developer with strong expertise in React.js, HTML, CSS, and JavaScript to develop high-quality, scalable user interfaces for modern web applications.
💫 Requirements:
✅ Strong proficiency in JavaScript, HTML5, CSS3, and React.js
✅ Experience building responsive, accessible, and pixel-perfect UI components
✅ Hands-on knowledge of UI performance optimization and best practices
✅ Experience working with REST APIs and modern front-end build tools
✅ Strong understanding of component-based architecture and reusable UI patterns
✅ Good attention to detail and passion for user-centric design
JOB PROFILE: - SOFTWARE ENGINEER TRAINEE
Experience with Web fundamentals like HTML5, JavaScript, CSS3, and JSP, etc.
Good understanding of Object-Oriented JavaScript (OOJS), ES6,
Hands-on exp in Web app development using modern client-side MVC frameworksusing ReactJS
Thorough understanding of ReactJs and its core principles
Experience with common front-end development tools such as Babel, Webpack, NPM,etc.
Experience developing custom reusable components in ReactJS
Proficient understanding of unit testing using JavaScript test frameworks like JEST
Experience integrating REST APIs
Ability to understand business requirements and translate them into technical requirements
React JS Developer
📍 Location: Bangalore
💼 Experience: 4+ Years
📅 Notice Period: Immediate to 30 Days
Job Summary:
Experienced React JS Developer with 4+ years of hands-on experience in building scalable, high-performance web applications. The ideal candidate should have strong expertise in modern JavaScript, React ecosystem, and front-end best practices.
Key Responsibilities:
- Develop and maintain responsive web applications using React.js
- Build reusable components and front-end libraries
- Optimize components for maximum performance across devices and browsers
- Work closely with backend developers and UI/UX designers
- Integrate REST APIs and third-party services
- Write clean, maintainable, and scalable code
- Participate in code reviews and Agile ceremonies
Required Skills:
- 4+ years of experience in front-end development
- Strong proficiency in JavaScript (ES6+)
- Hands-on experience with React.js, Redux / Context API
- Experience with HTML5, CSS3, Bootstrap / Tailwind
- Knowledge of RESTful APIs integration
- Familiarity with Git and version control systems
- Understanding of Agile/Scrum methodology
• Strong command of ReactJS
• Strong command of modern JavaScript (examples: arrow functions, async/await,
destructuring, rest & spread, etc.)
• Strong command of modern CSS and HTML (examples: flexbox, grid, media queries, etc.)
• Strong command of modern JavaScript tooling (examples: webpack, babel, ESLint, etc.)
• Hands-on experience with TypeScript on ReactJS projects is a bonus, but not required
• A good grip on Git
Key Skills/ Knowledge:
- Experience with React or any JS frontend frameworks
- Experience with, HTML5, CSS3 and CSS pre-processor like SASS or LESS.
- Proficient in JavaScript, including DOM manipulation
- Understanding of React and its core principles
- Experience with React workflows (such as Redux)
- Familiarity with the newer specification of JavaScript (ES6 or newer)
- Experience working with JSON
- Experience building accessibility compliant web applications
- Familiarity with code versioning tools (git)
- Familiarity with browser testing and debugging
- Familiarity with unit testing
- Experience working in an Agile environment
- Ability to understand business requirements and translate them into technical requirements
Key responsibilities:
- Working on MERN stack product development for core product
- Exploring possibilities with proof of concepts & prototyping
- Building the product as per specifications
- Developing the user-facing features using React.js
- Designing a modern highly responsive web-based user interface
- Building reusable components and front-end libraries for future use
- Translating designs and wireframes into high-quality code
- Learn and understand user interactions
- Optimising components for maximum performance across a vast array of web-capable devices and browsers
- Coordinating with various teams working on distinct layers
- As a React.js Developer, you will be involved from conception to completion with projects that are technologically sound and aesthetically impressive.
Skills required
- Node.js & ReactJS/Next.js ( MEAN/MERN Stack)
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- Thorough understanding of React.js and its core principles
- Prior experience with popular React.js workflows (such as Flux or Redux)
- Familiarity with more current specifications of EcmaScript
- Familiarity with RESTful APIs
- Great CSS skills. Familiarity with React Styled Components, SCSS, LESS, etc.
- 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
- A knack for benchmarking and optimisation.
- Familiarity with code versioning tools
- Familiarity with Test Driven Development and tools like JEST & React Testing Library is a plus.
- Familiarity with Firebase and other backend as a services is a plus.
We are looking for a Product Engineer - Frontend Engineer to join our early stage startup with experience in building B2C products.
If you have experience of working in product based companies (preferably startups), good to excellent coding skills in react js and typescript, have a keen eye for details in the UI, and are looking to build exciting things that children across the world will use - come talk to us!
What you get to do:
- Design and build advanced applications from scratch keeping scalability and performance in mind
- A good handle on both client and server architecture.
- Work on bug fixing and improving application performance.
- Comfortable in owning large scale products and continuously re-evaluating and innovating.
Who are we looking for:
- Bachelor's degree or equivalent in Computer Science
- 1+ years' experience in frontend development
- Familiarity using Scrum/Agile development methodologies
- Experience building object oriented web applications in React JS, Typescript, HTML5, and CSS3
- Should be a quick learner and willing to go the extra mile in delivering the projects.
- Should be able to mentor junior folks whenever necessary.
We are looking for a 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 concepts and workflows such as Redux, Flux, and Webpack. You will also be responsible for profiling and improving front-end performance and documenting our front-end codebase.
- 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.
Job Description
- Should be proficient with core object oriented JavaScript
- Ability to build full stack application using React/Node/Mongo or any other DB
- React Js
- Redux
- Bootstrap & Responsive design concept with HTML5/CSS3 ideas
- npm/nvm concept and hands on experience on usage
- Git as version control tool
- Clear idea of REST API and ability to read API docs and integrate independently
About Senrya Technologies Pvt.Ltd. –
We are a full-stack avant-garde product organization with its roots in East India (Kolkata) and expanse in North East, Maharashtra, Gurgaon, Karnataka and has made Kolkata from backwaters of IT to a live-wire hub of innovation. We blend innovation and next-gen technologies with rich experience of more than a decade and undaunted ambition with the primary objective to build highly scalable solutions that will impact a billion lives.
Senrysa group of companies includes three business verticals that contribute to our success story - Fintech, Retailtech, Healthtech. The growth trajectory of Senrysa has been 100% every passing year.
Fintech - We are one of the leading Fintech organization in financial inclusion with innovative ICT solutions. Senrysa Technologies was an early adopter of the India Stack and has pioneered the Aadhaar Enabled Payment System under the flagship of the business correspondent model for masses and has acquired more than 30 million customers till date under this initiative. We take pride in been granted RuPay Certification from NPCI. Senrysa has diversified client base from Public Sector Bank, Private Bank, Regional Rural Bank to Co-operative Banks across India.
Retailtech - NDHGO is an AI-enabled B2B online ordering platform that empowers small and medium businesses to go online in less than a minute thereby offering unorganized retail players a level playing field to compete with organized aggregators. It will also enable them to sell and market their product offerings online with zero commission. We aim to develop a sustainable online ecosystem for the stores and make their presence digitally discernible and accelerate customer engagement with a mobile first approach and simplicity of adoption where retailers can list their products from the NDHGO Catalogue Builder and share the link to their store with customers through WhatsApp and trending Social Media. Please refer attached presentation for a quick overview.
Healthtech
Understanding the dire need for new practices and procedures and to ensure that quality and timely healthcare reaches every corner of India, we are into Healthcare. We are developing the most advanced IoT based telemedicine devices, this would advent smart health practices that would help improve quality, increase access and affordability.
Benefits:
Competitive Package
Esops
Retention Bonus
Joining Bonus
Relocation Bonus
Higly skilled team members with vast knowledge & expertise
We are looking for a Developers who can create crafted web and mobile applications from UI using the React library. Your primary responsibility will be the implementation of visual elements and their behaviors with user interactions and ensure technical feasibility of UI/UX designs.. You will be defining how the application looks and functions by working with both the front-end and back-end developers.
1.A developer who is proficient with ReactJS (Redux or Flex)
2.Strong hands on the backend with nodeJS and has experience in developing robust web application with javascript
3.Should have basic understanding of AWS, various Databases and able to write simple api with express
4.Familiar with concepts like Isomorphic web apps , state management, push state, local storage, and promises
5.Sufficient knowledge on git, test driven development and browser debugging
SKILLS
- 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 or Redux)
- Experience with data structure libraries (e.g., Immutable.js)
- Familiarity with RESTful APIs
- Knowledge of modern authorization 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
- Familiarity with code versioning tools such as Git, SVN, and Mercurial
- Educational qualifications of B.E. or M.E. equivalent degrees in Computer Science will be preferred







