
Senior Frontend Developer
at Sequoia funded D2C startup in Healthcare/wellness space
About
Our client is a platform of digital-first health clinics owned and operated under one house, with each of them working together toward one mission: To help Indians lead a more fulfilling life surrounded by wellness and grace.
The business is creating a family of purposeful health platforms with personalized solutions for a particular problem in a niche segment. Each platform provides the essentials to enable an individual segment of people to lead a graceful life full of purpose and well being.
Role
As the senior member of the frontend development team at Mosaic, you will be responsible for setting best practices and making sure that the others adhere to them. 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.
Responsibilities
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- Develop all user-facing products in React
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- Build reusable components and front-end libraries for future use
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- Translate designs and wireframes into high-quality code
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- Optimize components for maximum performance across a vast array of web-capable
devices and browsers
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- Focus on code maintainability and performance of the application.
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- Provide technical advice and assist in solving programming problems.
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- Enhance SEO, Analytics, and overall frontend architecture for better performance
Requirements
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- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
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- Good foundation in design and a knack for designing interactions and elegant interfaces
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- Thorough understanding of React.js and its core principles
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- Good to have experience with popular React.js workflows (such as Flux or Redux)
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- Experience with data structure libraries
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- Familiarity with RESTful APIs
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- Familiarity with modern front-end build pipelines and tools
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- A knack for benchmarking and optimization
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- Familiarity with code versioning tools (such as Git)
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- Proficient in industry standard best practices such as Design Patterns, Coding Standards,
Coding modularity, Prototypes etc.
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- Experience in using debugging tools used for profiling/optimizing performance
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- Experience in debugging, tuning and optimizing UI components
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- Bachelor’s degree (B.A.) in Computer Science, MIS or related degree and a minimum of
two (2) years of relevant development or engineering experience.

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Key Responsibilities
- Develop and implement user-centric features on web platforms to enhance overall experience and usability.
- Collaborate with designers, backend engineers, and product teams to deliver cohesive and scalable products.
- Solve diverse technical and integration challenges by building efficient solutions that connect with automation systems.
- Apply best practices to create reusable, testable, and maintainable components and frameworks.
- Optimize application performance and ensure responsive and adaptive design across multiple devices and browsers.
Qualifications
- Strong understanding of modern front-end development frameworks and architecture.
- Hands-on experience building interactive, high-performance web applications.
- Proficiency with:
- React, Redux, and TypeScript
- Build tools like Vite, CSS preprocessors such as Less/Sass
- Solid grasp of UI/UX principles, responsive design, and accessibility standards.
- Experience integrating front-end solutions with REST APIs or automation systems is a plus.
- Strong problem-solving skills and a collaborative mindset.
About us:
Astra is a cyber security SaaS company that makes otherwise chaotic pentests a breeze with its one of a kind Pentest Platform. Astra's continuous vulnerability scanner emulates hacker behaviour to scan applications for 8300+ security tests. CTOs & CISOs love Astra because it helps them fix vulnerabilities in record time and move from DevOps to DevSecOps with Astra's CI/CD integrations.
Astra is loved by 650+ companies across the globe. In 2023 Astra uncovered 2 million+ vulnerabilities for its customers, saving customers $69M+ in potential losses due to security vulnerabilities.
We've been awarded by the President of France Mr. François Hollande at the La French Tech program and Prime Minister of India Shri Narendra Modi at the Global Conference on Cyber Security. Loom, MamaEarth, Muthoot Finance, Canara Robeco, ScripBox etc. are a few of Astra’s customers.
Role Overview:
As an SDE I Front-End Engineer at our company, you will play a crucial role in the development of the dashboard for our SaaS security platform.
Your primary focus will be on utilising Next.js, React, TypeScript, shadcn/ui (built on Radix UI), Tailwind CSS & TanStack Query to create an intuitive and efficient dashboard that meets the evolving needs of our users. You will have the opportunity to work alongside talented individuals, collaborating to deliver innovative solutions and pushing the boundaries of what's possible in web development. The role requires deep collaboration with the leadership, product, design, back-end and QA teams.
Join our team and contribute to the development of a cutting-edge SaaS security platform, where high-quality engineering and continuous learning are at the core of everything we do.
Key Responsibilities:
- Collaborate with product managers, product designers, and backend engineers to understand project requirements and translate them into code.
- You will research, design and code. What you create is also what you own.
- Develop consistent and user-friendly web interfaces based on Figma designs, using Next.js, React and shadcn/ui
- Utilize TypeScript for type safety and enhanced development workflows, ensuring code quality and reliability.
- Implement designs using shadcn/ui design kit (built on Radix UI) for consistent and modern UI components + utilize Tailwind CSS to style components and ensure a cohesive visual experience across the dashboard.
- Integrate Tanstack Query & Jotai for efficient data fetching and state management.
- Optimize web performance and ensure compatibility across different browsers and devices.
- Write clean, modular, and maintainable code while adhering to best practices, security and coding standards.
- Participate in code reviews, providing constructive feedback and ensuring code quality.
- Troubleshoot and debug issues pre/post production, ensuring timely resolution to minimize impact on users. Identify and correct bottlenecks and fix bugs.
- Ensuring timely delivery of the features/products
- Stay updated on emerging technologies and industry trends, incorporating them into the development process when appropriate.
Requirements
- 3+ year of work experience with Next.js (preferred) or React
- Bachelor's degree in Computer Science, Engineering, or related field (or equivalent work experience).
- Strong proficiency in Next.js and React, with demonstrable experience building web applications.
- Experience working with design systems and UI libraries, preferably shadcn/ui (built on Radix UI).
- Proficiency in CSS, particularly with Tailwind CSS, for styling and layout.
- Familiarity with state management libraries such as Tanstack Query(React Query)/Jotai.
- Familiarity with version control systems such as Git.
- Understanding of basic UX principles and what makes a great user experience
- Solid understanding of web development concepts such as HTML, JavaScript, and responsive design principles.
- Excellent problem-solving skills and attention to detail.
- Strong communication and collaboration skills, with the ability to work effectively in a remote team environment.
- Eagerness to learn and adapt to new technologies and methodologies.
Benefits
- Embrace the cosy remote work lifestyle.
- Feel the startup adrenaline pumping through your veins.
- Revel in our open, growth-centric ambiance; it's like a digital playground.
- Dive deep into the captivating world of cybersecurity.
- And yes, get ready for some unforgettable workcations—think Chikmagalur & Jim Corbett.
● 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.
Exciting Opportunity for React Native Developers!
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👥 A team that values your creativity and expertise!
What You'll Do:
🛠 Develop JavaScript applications using React.js or React Native.
🤝 Collaborate cross-functionally, working on diverse infrastructures.
🎨 Create seamless UI/UX with HTML, CSS, and JS, integrating the backend through REST API.
🖋 Write, execute, and maintain clean, reusable, scalable code.
🔧 Tackle bottlenecks, bugs, and ensure app responsiveness and performance.
💻 Work with React, Redux, Node.js, and contribute to code automation.
What We Look For:
💡 Strong JavaScript, React, API knowledge.
🏗 Familiarity with Object-Oriented Programming.
📝 GIT proficiency and ability to document code.
🔒 Attention to detail, analytical mindset, and proactive approach.
🚀 Passion for building industry-leading applications.
Join Us and Enjoy:
💰 Fair compensation for your exceptional efforts!
🤝 A supportive team environment where your ideas matter!
📈 Ongoing opportunities for professional development!
🌐 A chance to shape the future of innovative applications!
🏆 Recognition for your achievements and dedication!
If you're ready to take your skills to new heights and be part of a dynamic team, we want you! Apply now at Codebuddy and embark on an exciting journey of creativity and growth. Don't miss out on this incredible opportunity! 🚀
Job Overview:
We are looking for a passionate and skilled React.js Developer with 1-2 years of experience in front-end development. The ideal candidate will be responsible for developing and maintaining web applications using React.js while ensuring high performance, responsiveness, and seamless user experiences.
Key Responsibilities:
- Develop and maintain responsive web applications using React.js.
- Collaborate with designers and backend developers to implement UI/UX designs.
- Optimize components for maximum performance across multiple devices and browsers.
- Work with RESTful APIs and integrate third-party services.
- Troubleshoot and debug application issues.
- Maintain clean, scalable, and reusable code following industry best practices.
- Participate in Agile development processes, including scrum meetings and sprint planning.
Required Skills:
- Strong proficiency in React.js, JavaScript (ES6+), HTML, and CSS.
- Knowledge of Redux, Context API, or other state management libraries.
- Experience with RESTful APIs and asynchronous programming.
- Familiarity with Git version control.
- Understanding of responsive design and cross-browser compatibility.
- Basic knowledge of Node.js (preferred but not mandatory)
Skills: In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
Knowledge of REACT tools including React.js, Redux, Mongo DB,Node.JS
Experience with browser-based debugging and performance testing software.
Work From office only
We are looking for a Front end Engineer with at least 1 year of experience. with a fast-moving organisation based out of Mumbai, India.
Skills Required:-
- java script
- React
- React native
- Knowledge of Angular, HTML/CSS3 is a plus
Roles and Responsibilities:-
- Develop new user-facing features.
- Defining Architecture & Flow for the enterprise-level project
- Writing reusable code and libraries for future use.
- Ability to write clean code with proper comments
- Ensure the technical feasibility of UI/UX designs.
- Optimise application for maximum speed and scalability.
- Integrating API's
- Excellent Debugging Skills
- Great Problem-Solving Skills
- knowledge of best practices in javascript framework and the ability to implement it
- Helping others if they got stuck with any problem
Our client is a premier web design and software solutions company based out of Delhi, Florida and California. They are a creative, young and dynamic organisation that provides superior quality solutions like web design and development, mobile app development on various platforms, cloud apps and Ecommerce web solutions. They have clients across US, Canada, UK, and Australia, who receive market ready and saleable apps.
- Responsive Web Designing using Bootstrap/ CSS3/ LESS/ SASS and HTML5
- Understanding of AJAX and JavaScript Dom manipulation Techniques
- Strong expertise with HTML, CSS, and writing cross-browser compatible code
- Building JavaScript tools like grunt or gulp
- Providing SEO solutions for websites
- Building the infrastructure for serving the front-end app and assets
- Ensuring high performance on mobile and desktop
- Coordinating the workflow between the UX designer and stakeholder
What you need to have:
- Strong Designing skills and knowledge.
- Should have experience in Web User Interface (UI) using HTML/HTML5, CSS, SCSS, Advance Javascript Libraries, Jquery, Bootstrap and on UI frameworks like Node.js React, redux/angular.js/ backbone, Hapi.js.
- Good Familiarity with Agile / Scrum practices; a good team player, balanced with
the autonomy and motivation to produce individually - Proficiency with Angular 2/4/5/6/7/8
- Responsive Web Design using Bootstrap/CSS3/LESS/SASS and HTML5
- Deep knowledge of Angular practices and commonly used modules based on extensive work experience
- Good understanding of AJAX and JavaScript Dom manipulation Techniques
- Graduation in computers - Full time B.E / B. Tech or an MCA degree (Regular Program, no part-time or long-distances courses).
- Overall 4 years development experience with 2+ years of professional experience working with React Native
- An understanding of React Native best practices and a commitment to following them.
- Experience with popular React Native workflows such as Redux and ESLint, Jest, Enzyme.
- Experience with Agile development, scrum.
We are looking for a skilled 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.
To ensure success as a React.js Developer, you should have in-depth knowledge of JavaScript and React concepts, excellent front-end coding skills, and a good understanding of progressive web applications. Ultimately, a top-class React.js Developer should be able to design and build modern user interface components to enhance application performance.
Responsibilities
- Meeting with the development team to discuss user interface ideas and applications.
- 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.
Requirements
- Previous experience working as a React.js Developer.
- In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
- Knowledge of REACT tools including React.js, Webpack, Redux, Saga
- Experience with user interface design.
- Knowledge of performance testing frameworks including Mocha and Jest.
- Experience with browser-based debugging and performance testing software.
- Excellent troubleshooting skills.
- Good project management skills.











