
under one house, with each of its brands working together toward one mission: To help Indians lead more fulfilling lives surrounded by wellness and grace.
The founders of Mosaic, Revant and Dhyanesh have more than a decade of experience building,advising and investing in consumer brands. This has allowed them to understand the Indian consumer in a level of detail about their health, habits, and more.
Role
As the lead for the frontend development team at Mosaic, you will be the sole owner of the
entire FE development cycle for our consumer facing web products in ReactJS. Also, you will
be responsible for shaping up the entire system for scale and collaborating intensively with the backend and design teams to create the best consumer experiences. You would also need to control the mobile app development lifecycle on ReactNative.
Responsibilities
- Overlook development of all user-facing products in React
- Build reusable components and front-end libraries for future use
- Translate designs and wireframes into high quality code
- Optimize components for maximum performance across a vast array of web-capable devices and browsers
- Focus on code maintainability and performance of application
- Provide technical advice and assists in solving programming problems
- Use Server Side Rendering when applicable
- Enhance SEO, Analytics and overall frontend architecture for better performance
Requirements
- 4+ years of experience building frontend for consumer facing products
- 2+ years on ReactJS for consumer facing products
- 1+ years of Team Lead/Management experience
- Thorough understanding of architecting the frontend system with Server Side Rendering
- Good foundation in design and a knack for designing interactions and elegant interfaces
- Has led a mobile development effort on ReactNative
- Understands app development cycle
- Experience with NodeJS for Server Side Rendering/coordinating with the backend team
for API requirements
- Must come up with caching solutions where required to speed up the website load speed
and improve customer experience

Similar jobs
· 7+ years of professional experience in front-end development.
· 5+ years of hands-on experience with React.js and its ecosystem (Redux, Context API, Hooks, etc.)
· Strong understanding of JavaScript (ES6+), HTML5, and CSS3.
· Experience with RESTful APIs, GraphQL, and WebSocket integration.
· Proficiency in modern build tools (Webpack, Vite, Babel, etc.).
· Expertise in state management libraries (Redux, MobX) and React Query.
· Solid understanding of UI/UX principles and responsive design.
· Experience with testing frameworks (Jest, React Testing Library, Cypress, etc.).
· Familiarity with modern CI/CD pipelines and version control tools (Git).
● Driving new features from user research to production by working closely with designers
and AI engineers.
● Developing and implementing highly responsive user interface components using React
concepts.
● Writing application interface codes using JavaScript following React.js workflows.
● Develop a flexible and well-structured frontend architecture along with the APIs to
support it.
● Demonstrate knowledge in front-end performance and emerging standards while
promoting best practices to push the limits of what a browser and devices can do.
● Reviewing application requirements and interface designs.
Technical Skills:
● In-depth knowledge of JavaScript and React concepts, excellent front-end coding
skills, and a good understanding of progressive web applications.
● Must have: HTML5, CSS3, JavaScript, React tools including React.js, Webpack,
Enzyme, Redux, Flux, GIT, HTTP(s), Terminal, Build Tools, State Management, Type
Checkers, Form Helpers, Routing, REST API, GraphQL, Utility Libraries,
Internationalization, Server-Side Rendering, and Backend Framework Integration.
● Experience with browser-based debugging and performance testing software.
● Performance tuning, improvement, balancing, usability, automation, and committing
changes continuously to leverage test-driven techniques in development (BDD/TDD).
● Good to have – ionic, next js.
Minimum Qualifications:
● 2**+ years of experience** building and maintaining production-grade software using
modern programming frameworks.
● 2+ years of experience in using SPA frameworks like React for production-grade web
apps.
● Understand the pros and cons of client-side caching and edge caching
● Familiarity with SQL and database abstractions.
● Well versed with design patterns, writing reusable code/modules
● Ability to quickly learn new frameworks/technologies and move across the stack when
necessary
● Bachelor's Degree in Computer Science or related field.
We are seeking an experienced UI Developer with a strong background in Next.js to join our dynamic development team. The ideal candidate will have a deep understanding of front-end technologies, particularly React and Next.js, and will be responsible for creating high-performance, user-centric web applications. If you're passionate about building intuitive, scalable, and responsive UI components, we'd love to meet you!
Key Responsibilities:
Design and develop responsive and visually appealing user interfaces using Next.js, React, HTML5, CSS3, and JavaScript.
Collaborate closely with designers, product managers, and back-end developers to implement and refine user experiences.
Build reusable components and front-end libraries for future use.
Optimize web applications for maximum speed and scalability.
Write clean, maintainable, and efficient code while adhering to best practices.
Stay up to date with the latest trends, tools, and techniques in web development.
Troubleshoot and debug application issues.
Ensure cross-browser and cross-device compatibility.
Participate in code reviews and mentor junior developers.
Skills & Qualifications:
Experience: 5–8 years of hands-on experience in front-end development with a focus on Next.js.
Proficiency in Front-End Technologies:
Strong knowledge of Next.js, React.js, and other JavaScript libraries and frameworks.
Expertise in HTML5, CSS3, and JavaScript (ES6+).
Familiarity with TypeScript is a plus.
Experience in building responsive, cross-browser compatible websites.
Familiarity with RESTful APIs and integration with back-end systems.
Knowledge of modern web development practices like Webpack, Babel, CSS preprocessors (Sass/SCSS), etc.
Understanding of web performance optimization techniques.
Experience with version control systems such as Git.
Familiarity with agile development methodologies.
-Previous experience working as a react.js developer.
-Javascript proficiency,
-Thorough understanding of React.js & Node js principles
-Experience with popular Reactjs workflows, Redux
-Experience with data structure libraries
-Familiarity with Restful Apis
-Familiarity with benchmarking and optimization
-Familiarity with front-end build pipeline & tools
-Ability to understand business requirements and translate them into technical requirements
-Agile methodology and scrum.
-Excellent troubleshooting skills.
-Good project management skills
-In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
Office Location: Goregaon Mumbai
Position Description: 3+ years of experience on web technologies.
Primary Responsibilities:
- Building of user-facing elements and Integration
- Writing reusable, testable, and efficient code
- Design and implementation of low-latency, high-availability, and real time applications
- Architecting applications and strategizing them to be scalable for traffic.
- Identifying and working on new innovations which can relate to any kind of technology
Required Skills:
- 2-3 years of experience with JavaScript, JQuery, Node.js
- Understanding the nature of asynchronous programming and its quirks and workarounds
- Good understanding of front-end technologies, such as HTML5, CSS3, SASS
- Understanding fundamental design principles behind a scalable application
- Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimizing output to match the specific platform
- Creating database schemas that represent and support business processes
- Implementing unit tests
- Proficient understanding of code versioning tools, such as Git
Mandatory: Passionate about sports, Problem solving, Team player, Target & Result oriented.
Functional: HTML5, CSS3, JavaScript, Vue.js, Typescript, Stimulus JS, AJAX, Browser performance & optimization, Asynchronous requests handling and partial page updates, Browser Developer Tools, GIT and JIRA.
computing, and SaaS.
Structured thinker, effective communicator, with excellent programming and analytic skills
Strategic mind with strong operational, project management and technical architecture skills
A track record of highly influential technical and leadership achievements
Demonstrated skill in aligning application decisions to an overarching solution and systems
architecture
Strong design skills and technical leadership skills.
Substantial experience leading application design efforts as a senior or lead software engineer
Expertise in JavaScript frameworks: Ember, React, Angular and integration architecture and design.
An expert in application development in one or more modern programming languages
Strong Experience with JavaScript, CSS, XML, HTML, IIS
Familiar with Agile methodologies
Detailed oriented, professional and possesses a positive work attitude.
Communicate professionally both verbally and in writing.
PRINCIPAL DUTIES AND RESPONSIBILITIES:
Accountable for the application architecture of all components within your assigned domain(s)
Guide multiple development teams and work streams at once to ensure successful delivery of
projects
Evaluate and implement solutions and technologies for team adoption
Assess and communicate status, issues, risks and deliverables to stakeholders
Be the “go-to” team member in your domain(s) for application design and patterns
Assist teams by hands-on coding including but not limited to proof-of-concepts, code samples, and
application infrastructure/frameworks.
Able to resolve complex problems in creative and effective ways
Holds full Product Area responsibility
JOB DESCRIPTION
Acts as a point of escalation for high and low-level problems both for with in engineering team and
customers
Develops high-quality, working code features on need basis.
Makes implementation design decisions around new feature components.
Produces contingency plans for critical projects.
Analyzes technical requirements with the team to gauge level of effort.
Breaks down complex projects and delegates work to junior engineers.
Creates technical documentation for new features that can be easily understood by peers.
Performs peer code reviews to ensure quality of the codebase.
Keeps abreast of new technologies.
Ensures designs and projects created comply with design library guidelines, internal best practices,
and coding conventions when applicable.
Perform required collaboration with different stake holder like architects, product management etc.
All other duties as assigned.
We are looking for an excellent experienced person in the Frontend Development field. As a frontend developer, you will be closely working with our team to ensure the system consistency and improve your experience.
Responsibilities:
• Ensure the technical feasibility of UI/UX designs.
• Optimize application for maximum speed and scalability.
• Assure that all user input is validated before submitting to the back-end.
• Collaborate with other team members and stakeholders
• Collaborate well with team and data implementation specialists to design and create advanced, elegant and efficient systems.
Requirements:
• Proficient understanding of web markup, including HTML5, CSS3, ReactJS, Nodejs
• Responsive and Mobile Design
• Cross-Browser Development
• Problem Solving Skill
• Basic understanding of server-side CSS pre-processing platforms
• Good understanding of asynchronous request handling, partial page updates, and AJAX
• Good understanding of (Depending on the specific case, a developer should have the knowledge of advanced JavaScript libraries and frameworks, such as ReactJS, NodeJS and PHP)
Primary Skills:
• Ability to improve the performance of the website for both mobile and desktop.
• Come up with efficient, modular and scalable solutions for business and technical problems.
• Break projects into simpler granular tasks, estimate effort required and identify dependencies.
• Write efficient and readable code leveraging on a good understanding of object-oriented principles and design patterns.
• Follow release cycles and commitment to deadlines.
Yes, We are allowing working from home for most of the profiles and maintaining all precautions in the office also.
Senior Frontend Developer || CSS, HTML, JavaScript, React.js|| 3+ years exp
|
· Minimum 3+ years of relevant experience · 3+yrs Exp in React.js (Mandatory) · Traits & culture: Entrepreneurial & willing go the extra mile. · Strong knowledge and experience in HTML, CSS, and JavaScript is a must. · Experience developing front-end interfaces by leveraging modern development libraries and tool chains like React, Webpack, etc... · Deep understanding of DOM, Rendering and how the browser works. · Experience building web-based user interfaces for mobile and desktop. · Experience in writing modular and reusable code. · Solid understanding of software development methodologies and processes. · Experience in building fast, fluid, beautiful user experiences and driving growth in consumer websites and web applications. · You are generally curious/interested in tech, motivated, creative/entrepreneurial, energetic, humble and hard-working · Most important - willing to go that extra mile to get the work done. · Bonus points for experience working on Node.js :)
Working days: Mon - Sat (2nd & 4th Sat off) |
- Portfolio is must for the profile.
- Good understanding of Javascript, CSS, HTML5, AJAX.
- Hands on with React JS.
- Understanding of responsive frameworks such as BootStrap or SemanticUI.
- Extensive knowledge of DOM scripting with native JavaScript and JS frameworks such as jQuery.
- Experience in delivering Cross-browser and cross platform compatible solutions.
- Basic knowledge of UI design.
- Excellent problem-solving and analytical abilities.
- Experience with agile development practices such as continuous integration and deployment.
- Fluency with version control platform Git.
- Minimum 1+ years of UI development experience.










