
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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Position: SDE-II – Frontend Developer
Location: Bangalore
About RockED
RockED is a fast-growing EdTech company building a microlearning platform that delivers byte-sized, engaging content to learners on their mobile devices. Headquartered in Florida, with our R&D team based in Bangalore, we are focused on creating intuitive, learner-first experiences through thoughtful design and strong engineering.
Role Overview
We are looking for a skilled SDE-II – Frontend Developer to join our Engineering team in Bangalore. You’ll be responsible for building high-quality, scalable, and user-friendly interfaces for our mobile-first platform using JavaScript and React Native.
Key Responsibilities
- Develop and maintain scalable, high-performance frontend applications using JavaScript and React Native
- Translate product requirements and UI/UX designs into clean, efficient, and reusable code
- Collaborate closely with product managers, designers, and backend engineers
- Optimize applications for performance, reliability, and responsiveness
- Write well-structured, testable, and maintainable code
- Participate in code reviews and contribute to engineering best practices
- Troubleshoot, debug, and improve existing features
Required Skills & Qualifications
- 2–6 years of hands-on experience in frontend or mobile application development
- Strong proficiency in JavaScript and React Native
- Experience building and shipping mobile applications (Android/iOS)
- Solid understanding of frontend architecture, performance optimization, and state management
- Familiarity with REST APIs and integration with backend services
- Experience working in an Agile/Scrum development environment
- Strong problem-solving skills and attention to detail
Education Requirement
- B.E. / B.Tech in Computer Science, Engineering, or a related field
- Only B.E./B.Tech candidates will be considered (No MCA, BCA, or Diploma candidates)
Why Join RockED
- Opportunity to work on a product used by global enterprises
- Collaborative and fast-paced startup environment
- Direct access to leadership and decision-making
- Chance to build impactful, learner-first experiences at scale
Job Description
We are looking for a great JavaScript developer who is proficient with React.js. Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux). You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important.
Responsibilities
-
Developing new user-facing features using React.js
-
Building reusable components and front-end libraries for future use
-
Translating designs and wireframes into high quality code
-
Optimizing components for maximum performance across a vast array of web-capable devices and browsers
- Candidate should have strong knowledge of Javascript and HTML5 Canvas
- Should have knowledge of HTML5 Canvas Drawing Pad
- Experience in HTML5 Canvas is a must
- Thorough semantics-level understanding of HTML5 Canvas
- Good understanding of JavaScript programming and DOM manipulation
- Understanding and deployment of Responsive Web Design
- Understanding of how web design/dev is related to web Performance
Other Selection Criterias
- Candidate should be available to join immediately
About Monarch:
At Monarch, we’re leading the digital transformation of farming. Monarch Tractor augments both muscle and mind with fully loaded hardware, software, and service machinery that will spur future generations of farming technologies.
With our farmer-first mentality, we are building a smart tractor that will enhance (not replace) the existing farm ecosystem, alleviate labor availability, and cost issues, and provide an avenue for competitive organic and beyond farming by providing mechanical solutions to replace harmful chemical solutions. Despite all the cutting-edge technology we will incorporate, our tractor will still plow, till, and haul better than any other tractor in its class. We have all the necessary ingredients to develop, build and scale the Monarch Tractor and digitally transform farming around the world.
Job Description:
This role requires you to be a tech-savvy contributor in translating customer needs and user requirements into an interactive web-based application. You must be a good problem solver, have keen attention to detail and take responsible actions in ensuring the application is optimized both in technology and in delivering the best user experience.
Work closely with product and engineering teams to create elegant, responsive and interactive interfaces.
Handcraft UI/UX designs into prototypes
Write reusable components and address performance issues of the product.
Requirements:
Bachelor Degree / Masters in Engineering (ECE or CSE preferred)
A minimum of 3 years of relevant work experience as a Web, UI or Frontend Engineer
Work experience in React JS / React TS and Data structure is a must.
Sound knowledge in JavaScript, HTML and CSS,
Working knowledge of Git: creating, merging branches, cherry-picking commits, examining the diff between two hashes.
Be able to write clean and maintainable code with attention to performance
Keen eye for design, and have experience of debugging using browser console.
An ability to perform in a fast-paced environment and bring in optimal flow for rapidly changing design.
AWS experience is a plus although not mandatory.
What you will get:
At Monarch Tractor, you’ll play a key role on a capable, dedicated, high-performing team of rock stars. Our compensation package includes a competitive salary, excellent health, dental and vision benefits, and company equity commensurate with the role you’ll play in our success.
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. You will also be responsible for profiling and improving front-end performance and documenting our front-end codebase.
React.js Developer Responsibilities:
- 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.
React.js Developer 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, Enzyme, Redux, and Flux.
- Experience with user interface design.
- Experience with browser-based debugging and performance testing software.
- Excellent troubleshooting skills.
- Good project management skills.
Key Skills :
- Good understanding and experience of HTML / CSS / Javascript / Webpack / Bootstrap.
- Hands-on experience with ES6 / ES7 / ES8 features.
- Expertise with Web Services / REST APIs.
- Proficiency in Linux and deployment on Linux.
- Familiarity with Redux Thunk / Redux Saga will be an added advantage.
- Skillful experience in Node JS / Express / MongoDB will be a plus.
- Understanding of mobile cross-platform frameworks like React Native.
- Knowledge of AWS services like S3, EC2 would be valuable.
- Core Javascript, HTML, CSS, JSON understanding is mandatory
- Expertise of functional programming using JavaScript (ES5, ES6)
- Expertise of UI framework - React / Redux, RXJS
- Preferred experience with new generation of Web Programming - using Micro Service, REST/JSON, GraphQL and Component UI models
- Expertise with data visualization flow development along with usage of modern charting and graphical java script libraries
- React / Redux, RXJS, HTML, CSS, Javascript (ES5, ES6), Data visualization and Chart Libraries
- Data Structure and Design Pattern
- Strong knowledge of JSON data handling, GraphQL and their working
Engineering @ Relevel
- We use cutting edge technologies to build our products which means you get to be updated on the latest tech stack.
- You don’t need to have experience in any of our specific technologies;we are good at teaching our Engineers. Our diverse group of Engineers are a great team to work with and to learn.
- We deploy changes to production multiple times a day.
- Blameless culture and a continuous learning mindset
What engineers do @ Relevel
- Making a global platform with the scale of millions of users.
- Working directly with designers and PMs to make a world class test taking experience.
- Building a platform for companies and writing an ML based algorithm to match candidates and companies.
- Building an Ed-Tech product for the upskilling of candidates.
What you need to bring
- Strong understanding of JS fundamentals and going deep into it coupled with experience in modern frameworks like ReactJs, Vuejs etc.
- The ideal person has worked with product teams in startups and taken features (or entire product modules) to production deployment which was then consumed by real users.
- Proficiency in building a highly scalable frontend.
- Ownership mindset- Taking end to end ownership of frontend initiatives and being part of the core team in driving the overall growth of the organisation in achieving its vision.
At Toddle we help teachers do better what they do best - teach!
We do this by creating intuitive technology tools that empower teachers across all stages of teaching and leaning. Our mission is to amplify teaching for 60 million K-12 educators globally and support them in delivering meaningful and personalised learning experiences.
Our first product is a collaboration platform for IB PYP teachers. Be it curriculum planning or parent communication, student portfolios or reports creation, Toddle makes working together simple and fun. Within 5 months of launch, Toddle is being used by 70+ IB schools across the world with an ARR of USD 300 thousand. All our growth has been 100% organic and fuelled by positive word of mouth. Given this encouraging takeoff, we are confident that Toddle is ideal for the needs of progressive educators across the world. Over the next 2 years, our goal is to become the preferred teaching partner of more than 50% K-8 teachers across the world.
Job Description
We are looking for a passionate and skilled Frontend Engineer, one who partners with us in creating beautiful products for teachers, students and parents alike. As a Frontend Engineer, you will play a major role in designing, developing and deploying high-quality web platforms. In this multifaceted role, you will get the opportunity to work along curriculum experts, teachers, and students, and user-test the product in real school settings.
Required Skills:
• Frontend: ES6, HTML5/CSS3, React, Redux/Apollo, Sense of Design & UX
• Tooling: Webpack, Babel, Git Basics, Chrome DevTools (Profiling)
• Soft Skills: Having a bias towards action, a good sense of design, empathy, and good communication skills
• Experience: 2 to 6 Years
Good to have: • Ability to manage a small team and distribute work • Working experience in ReactNative (iOS & Android) • Basics of Photoshop, Sketch









