
Primary purpose of the role:
Front end development of websites and applications using CSS3, HTML5, jQuery and other skills to produce clean, functional and web compliant projects to be handed over to Back End Developers to be further worked on as well as CSS bug fixes post Back End development
Major responsibilities & deliverables:
- Great skills in HTML, CSS, JavaScript and cross browser implementations.
- Strong analytical and problem-solving skills.
- Experience and knowledge about the cool stuff in HTML5 and CSS3.
- At Least knowledge of one JavaScript framework such as VueJs, ReactJs, AngularJs
- Proficiency and familiarity with CSS/JavaScript frameworks and utilities such as HTML5 Boilerplate, jQuery, Modernizr, Firebug, JSLint, minification, and others.
- Taking PSD files from designers, slicing and/or recreating elements via CSS to match the design perfectly
- Ability to make modifications to libraries in jQuery as per requirement of a project
- Extensive knowledge of fonts, embedding from third parties like Google, Typekit & Font Deck etc.
- Knowledge of optimizing CSS/JavaScript performance, by coding practices and tools.
- Passion and follow through for their work. Excited and curious about learning new technology, as well as the sharing of ideas. Exceptional collaboration, listening, written, and verbal communication. Able to own individual projects as well as the ability to work within a team.
- Awareness of current design trends in the visual arts, working knowledge of the latest computer packages and an understanding time limits which can impact on the design.
- Knowledge of GIT or any other version control software.

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About the Role:
We are hiring a Senior Frontend Engineer to build high-performance, scalable, and visually refined web applications. This is a hands-on engineering role focused on architecture, performance, and crafting exceptional user experiences.
You will work closely with design, product, and backend teams to build robust frontend systems, define engineering standards, and ship production-grade features that scale.
Responsibilities:
- Build scalable, modular frontend applications using React, Next.js, and TypeScript
- Architect component-driven UI systems and reusable design libraries
- Implement robust state management using Redux, Zustand, or similar
- Optimize Core Web Vitals, performance, and accessibility (WCAG)
- Translate Figma/design specs into pixel-perfect, production-grade interfaces
- Improve build systems, CI/CD pipelines, and developer tooling
- Implement testing strategies — unit, integration, and E2E (Jest, Cypress, Playwright)
- Mentor junior engineers and define engineering standards
- Collaborate with backend teams to design API contracts and integrations
Must Have:
- 5+ years of experience in frontend engineering
- Strong expertise in JavaScript/TypeScript and React/Next.js
- Experience building scalable frontend architecture from scratch
- Deep understanding of browser rendering, performance, and optimization
- Strong grasp of responsive design and accessibility best practices
- Experience with state management — Redux, Zustand, or similar
- Ability to write clean, maintainable, production-ready code
Good to Have:
- Experience building design systems or component libraries
- Familiarity with SSR/SSG and performance-driven architectures
- Experience with micro-frontends or large-scale frontend systems
- Exposure to cloud deployment workflows and frontend observability
- Three.js or WebGL experience
Tech Stack:
JavaScript / TypeScript · React · Next.js · Tailwind · Redux / Zustand · Webpack / Vite · Jest · Cypress · Playwright · GraphQL · REST APIs
Work Details:
- Location: HSR Layout, Bengaluru (Work from Office)
- Working Days: 6 days/week (Mon-Fri WFO, Sat WFH)
- Employment Type: Full-time
Compensation:
- Competitive salary
- Stock options with 4-year vesting
- Performance-based incentives
To Apply:
Share your resume, GitHub profile, portfolio or live product links, and a short note on a challenging frontend problem you solved.
1) Be open to learn new frameworks like Hapi.JS , Typescript , Nest.JS
2) Strong DB concepts , and hands on knowledge on MongoDB , REDIS
3) Experience working with micro-services will be a plus
4) Experience working with JWT and IAM systems will be a plus
5) Experience working with Postman , Swagger will be a plus
6) TDD knowledge is an advantage and also working with Unit Test code and familiar with test code coverage concepts.
7) Strong operating system knowledge is a plus with knowledge of how to manage threads.
8) Working experience with RabbitMQ , Kafka will be a plus
9) Strong knowledge of JS internals is a must.
You can contact me on nine three one six one two zero one three two
Frontend Engineer (Next.js / React / TypeScript)
Position Summary
We are seeking a Frontend Engineer with deep expertise in Next.js, React, and TypeScript to join our growing engineering team. The ideal candidate will have experience building scalable, modern web applications, with strong knowledge of Tailwind CSS for styling and proficiency in integrating with MongoDB backends and AI/LLM APIs (e.g., OpenAI). You will work closely with backend engineers and AI specialists to build seamless user interfaces that power cutting-edge AI-driven applications.
Key Responsibilities
- Develop, optimize, and maintain frontend features using Next.js, React, and TypeScript.
- Implement responsive and scalable UI components with Tailwind CSS.
- Integrate with backend APIs built on MongoDB and other data sources.
- Work with AI/LLM APIs (OpenAI, LangChain, etc.) to deliver intelligent, context-aware features.
- Collaborate with backend and AI engineers to ensure efficient data flow and optimal performance.
- Write clean, reusable, and testable code with strong attention to detail.
- Participate in code reviews, sprint planning, and product design discussions.
Required Skills/Qualifications
- Strong proficiency with Next.js, React, and TypeScript.
- Experience with Tailwind CSS and modern component-based UI development.
- Familiarity with integrating MongoDB backends into frontend applications.
- Experience consuming AI APIs (OpenAI, HuggingFace, etc.).
- Understanding of REST and GraphQL API consumption.
- Strong problem-solving skills, debugging, and optimization techniques.
- Excellent collaboration and communication skills.
Preferred Skills/Experience
- Experience with SSR (Server-Side Rendering) and ISR (Incremental Static Regeneration) in Next.js.
- Familiarity with state management libraries (Redux, Zustand, Recoil, etc.).
- Exposure to vector databases or AI-driven UI personalization.
- Prior experience working in a SaaS or data-heavy application environment.
- Responsible to rapidly write bug-free code using latest coding practices.
- Responsible for doing R&D on latest UI technologies
- Responsible to create POC and prove the feasibility of new UI designs and concept
- Create a vision for the product to create new possibilities for ctomers
- Enrol and align stakeholders (including customers) into the product vision
Himani jain
- Using knowledge of modern authorization mechanisms, such as JSON Web Token
- Being familiar with modern front-end build pipelines and tools
- Working with common front-end development tools such as Babel, Webpack, NPM, etc. to create the best end user products and experience
- Ability to understand business requirements and translate them into technical requirements.
- Very good problem-solving capabilities and aptitude
- Good team player with drive to achieve more
- Passion to be core member of a fast-growing startup
- Strong proficiency in JavaScript
- Thorough understanding of React.js and its core principles
- Experience with popular React.js workflows (such as Flux or Redux)
- Familiarity with newer specifications of Ecma Script
- Familiarity with RESTful APIs
Job description :
Experience : 1-2 Years
Key Requirements :
- Excellent grasp on JavaScript and React Js
- Knowledge of next.js and server-side rendering
- Proficient with frontend aspects like HTML5, SCSS, Redux and Tailwind CSS
- SEO and other optimizations
- Need to work on responsive Design
- Highly Attentive to Details to produce pixel-perfect deliverables
- Analytical and structured approach to debugging with a good grasp of debugging tools
- Experience with building tools and utilities like git, npm, webpack, babel, moment, , etc
Soft Skills :
- Looking to take ownership of tasks
- Excellent problem-solving skills and ability to think logically
- Hunger for skill progression and learning new things
- Able to interact with business/marketing team
- Good communication skills are a plus
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









