
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
- 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

About Mosaic Wellness
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Job description
We are seeking an experienced Frontend Developer to join our team, responsible for building fast, scalable, and maintainable web applications. The ideal candidate will have a strong proficiency in HTML, CSS, JavaScript,Flutter and relevant frameworks, with a passion for creating intuitive and engaging user interfaces.
Key Responsibilities:
- Design and develop responsive, mobile-first UI components and features
- Write clean, modular, and reusable code
- Collaborate with backend developers and designers to integrate APIs and design assets
- Implement accessibility and web performance optimization techniques
- Troubleshoot and debug frontend issues
- Stay up-to-date with industry trends and emerging technologies
- Participate in code reviews and contribute to the improvement of the codebase
Requirements:
- 3+ years of experience in frontend development
- Strong proficiency in HTML, CSS, JavaScript, and relevant frameworks (e.g., React, Angular, Flutter)
- Experience with build tools like Webpack, Gulp, or Grunt
- Knowledge of version control systems like Git
- Excellent problem-solving skills and attention to detail
- Strong communication and collaboration skills
Nice to Have:
- Experience with modern frontend build tools and workflows
- Familiarity with backend technologies and APIs
- Knowledge of web performance optimization techniques
- Experience with accessibility guidelines and best practices
JD :
React. Js Developer
Skill Sets: HTML, CSS, JS , Typescript, Nextjs
Location : Bangalore , Complete WFO
Address:
Embassy Tech Village Rd, Devarabisanahalli, Bellandur, Bengaluru, Karnataka 560103, India.
Candidate Persona:
Need Product based Background Folks only or someone who has worked on product projects.
Resume is extremely crucial here, if roles and responsibilities, Education details and company names are not mentioned properly in utmost details then they will not be considered further.
Communication skills- Good
Btech graduated ONLY
Skills that should be mentioned in the CV - HTML, css, js, typescript, Data structures and algorithm.
Candidates should have a linkedin ID.
Candidates should have some leet code or hackerrank links (preferred)
Note : candidates who are ready for all the rounds can apply.
Location: Bangalore, Delhi, Gurgaon
Function: Software Engineering → Frontend Development
Requirements:
- 2-5 years of experience in building large complex and performant web applications using JavaScript, HTML, and CSS across multiple browsers.
- Strong Object Oriented JavaScript fundamentals.
- Experience in java script frameworks such as React and a good understanding of the basics of these frameworks and their life cycles.
- Deep understanding of various deployment strategies and their pros and cons.
- Understanding of Docker.
- SSR experience is a must.
- You should have enough understanding of SEO principles.
- Experience of working with React Hooks desirable.
- Experience with popular React.js workflows (such as Flux or Redux).
- Familiarity with newer specifications of ECMAScript (ES6 ES7).
- Experience with server-side rendering using nextjs, express, hapi etc.
- Hands-on experience with any unit testing framework (mocha/chai, jest etc).
- Deeper understanding of Chrome Dev Tools.
- Should understand nuances of the timeline for perf monitoring.
- Deeper knowledge of UI optimizations and performance.
- Deeper understanding of network layer, HTTP, HTTPS, cookies, local storage.
- Understanding of JavaScript Design patterns and ability to use them in applicable scenarios.
- Good understanding of data structures and algorithms and their space and time complexities.
- Strong in open source technologies, agile development.
- Excellent communication skills, good visual design sense, in-depth experience in developing web-based applications.
- Familiarity with code versioning tools such as Git, SVN, and Mercurial.
Web Development Interview:
- Technical Round 1 JS + Web fundamentals + React (Based on Experience)
- Technical Round 2 React JS - Problem solving (Machine coding round)
- Technical Round 3 Technical evaluation/Team fitment
- HR Round
- Develop functional and fast-responsive web applications, using markup languages.
- Maintain websites.
- Elaborate mobile-based and web-based features.
- Troubleshoot apps for bugs.
- Fix bugs if necessary and improve usability.
- Improve apps for maximum speed.
- Troubleshoot UI and improve its performance accordingly.
- Employ the latest technology in order to re-built legacy apps.
- Integrate UI elements with server-side ones.
- Detect and fulfill front-end and back-end requirements.
- Perform training and support activities.
- Develop reusable code.
- Write comprehensive manuals, guides, and documents.
- Compile prototype and quality mockups.
- Make sure that high-quality graphic standards are met.
- Knowledge of and proper experience with both front-end and back-end languages.
- Proper experience with CMS framework.
- Ability to troubleshoot and debug browsers.Understanding of web development process, from A to Z.
- Familiarity with layout requirements.
- Quality assurance skills.
- Time management and analytical skills.
- Ability to perform several tasks at the same time.
- Ability to translate requirements into a finished project.
- Communication skills to collaborate with clients and internal development teams.
- Problem-solving ability.
- Must have experience working with Angular.JS / Node.JS / React.JS.
- B.Tech/B.E/MCA
experience working in React with Redux Framework
§ Experienced in responsive Frontend web application development, with a strong
analytical mind and an ethical approach to development
§ Highly proficient in CSS3, HTML5, JavaScript. Also proficient in tools like Bootstrap
and Webpack for building products across multiple screen resolutions and
browsers
§ Familiarity with cross-browser compatibility issues and demonstrate design and
user interface/user experience skills
§ Excellent time management, multi-tasking and communication skills
§ Should have experience working with RESTful APIs
§ Strong CS fundamentals: Data structures, Algorithms, Distributed systems and
Information Retrieval
§ You ship fast. Speed is in your blood. Except when you are driving in Bangalore

- Very strong hands on experience of web and mobile technologies: - HTML JavaScript,
- HTML5/CSS3,
- 5 + years of UI Development Experience using JavaScript Frameworks
- 3+ years of Angular Development Experience
- Has implemented coding patterns and built UI framework
- Deep knowledge of AngularJS practices and commonly used modules based on extensive
- work experience
- Thorough understanding of the responsibilities of the platform, database, API, caching
- layer, proxies, and other web services used in the system
- Creating custom, general use modules and components which extend the elements and
- modules of core AngularJS
- Creating configuration, build, and test scripts for Continuous Integration environments
- Cooperating with the back-end developer in the process of building the RESTful API
- Cross browsers support/experience and knowledge of DOM manipulation on different
- browsers
- Performance enhancements on web page load and execution
- Use responsive web design to create applications that automatically conform to multiple
- screen sizes/devices.
- Reach at 91 084 76 999
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and the users. One will implement visual elements and their behaviors with user interactions.
You will work closely with both front-end and back-end web developers to build all client-side
logic. You will also be taking an active role on both sides, and defining how the application looks
and functions.
Must-Have:
● Strong proficiency with JavaScript.
● Hands-on experience with HTML5, CSS3, and Bootstrap.
● Good in understanding the nature of asynchronous programming, its quirks, and
workarounds.
● Development experience designing object-oriented JavaScript.
● Good with optimizing output to match the specific platform and understanding
differences between multiple delivery platforms, such as mobile or desktop.
Good to have:
● Good understanding of code versioning tools, i.e. Git.
● Understanding accessibility and security compliance.
● Knowledge of MySQL.
Responsibilities:
● Develop new user-facing features
● Build reusable code and libraries for future use
● Ensure the technical feasibility of UI/UX designs
● Optimize applications for maximum speed and scalability
● Validate all the user inputs before submitting to back-end services.
● Collaborate with other team members and stakeholders.

Candidate must have experience in HTML, CSS, Javascript.
Must have work experience in Angular 4 or above versions
Note: Candidate must be currently in Bangalore location.
Responsibilities:
- Develop new user-facing features
- Build reusable code and libraries for future use
- Ensure the technical feasibility of UI/UX designs
- Optimize application for maximum speed and scalability
- Collaborate with other team members
You’ll be a good fit if you:
- Have 1+ years of experience developing user facing features
- Have a deep understanding of basic UI/UX/design principles
- Are self-motivated and can solve problems independently
- Experience leveraging web technologies like HTML, CSS, and Javascript(ES6)
- Experience using the latest CSS layout methods such as Flexbox and Grid
- Experience with CSS preprocessors like Sass or LESS
- Knowledge and hands-on experience with Node.js ecosystem and leveraging Javascript libraries / frameworks such as React, Angular or Vue
- Experience with testing frameworks (Jest) and writing unit tests
- Competency in building responsive layouts
- Practical knowledge of performance optimization techniques
- Collaboration in a GitHub repository with many contributors and comfortable with workflows like code reviews, forking, pull requests, etc.








