
Responsibilities
- Work in a fun and fast-paced environment.
- Participate in requirements gathering, design, development, QA, support.
- Communicate with different stakeholders such as QA, Project Managers and Product Owners
- Discover, evaluate, and implement new technologies to maximize development efficiency.
- Groom, mentor and upskill team members with modern technologies and development practices
Key Competencies:
- 5-8 Years of relevant experience in front-end development.
- At least 5-4 years of working experience with the React ecosystem.
- In-depth knowledge of TypeScript, CSS, and HTML.
- Strong proficiency in Vanilla JavaScript, DOM, Browser API’s and ES6 Features.
- Strong Knowledge of State Management with React and relevant workflows.
- Good Understanding of Modern frontend workflows with NPM, Webpack, Babel etc.
- Knowledge of modern programming paradigms like functional and reactive programming.
- Knowledge of testing frameworks including Chai, Mocha and Sinon or equivalent.
- Experience with using browser-based dev tools for trouble shooting and enhancing the performance.
Good to have skills:
- Knowledge of cloud-based services like AWS and GCP.
- Working knowledge of Video streaming and playback
- Knowledge of modern programming paradigms like functional and reactive programming.

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Job Description
- Experience in UI development using React JS
- In depth knowledge of JavaScript, CSS, HTML and front-end languages
- Excellent front-end coding skills, and a good understanding of progressive applications
- Strong knowledge of UI design principles, patterns, and best practices
- Experience working with JavaScript and Typescript, React, Redux, RxJS, Yarn
- Experience in test driven development using modern source control and continuous integration
- Design, develop, test, deploy and maintain software
- Delivering high quality and well-structured code
Skills:
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- Thorough understanding of React.js and its core principles
- Experience with popular React.js workflows (Redux)
- Familiarity with newer specifications of ECMAScript
- Experience with data structure libraries (e.g., Immutable.js)
- Knowledge of isomorphic React is a plus
- Familiarity with RESTful APIs
- Knowledge of modern authorization mechanisms, such as JSON Web Token
- Familiarity with modern front-end build pipelines and tools
- Ability to understand business requirements and translate them into technical requirements
- A knack for benchmarking and optimization
- Familiarity with code versioning tools (such as Git, SVN, and Mercurial)
Requirements:
- Developing and implementing user interface components using React.js concepts and workflows.
- Developing user interface components and implementing them with a well-known React.js workflow.
- Building reusable components and front-end libraries for future use.
- Translating designs and wireframes into high-quality code
- In-depth knowledge of JavaScript and React concepts, excellent front-end coding skills, and a good understanding of progressive web applications.
- Optimizing components for maximum performance across a vast array of web-capable devices and browsers.
- Develop a flexible and well-structured front-end architecture, along with the APIs to support the applications
We are looking for a Product Engineer - Senior or Lead Frontend Engineer to join our early stage startup with experience in building B2C products.
If you have experience of working in product based companies (preferably startups), good to excellent coding skills in react js and typescript, have a keen eye for details in the UI, and are looking to build exciting things that children across the world will use - come talk to us!
What you get to do:
- Design and build advanced applications from scratch keeping scalability and performance in mind
- A good handle on both client and server architecture.
- Work on bug fixing and improving application performance.
- Comfortable in owning large scale products and continuously re-evaluating and innovating.
Who are we looking for:
- Bachelor's degree or equivalent in Computer Science
- 5+ years' experience in frontend development
- Familiarity using Scrum/Agile development methodologies
- Experience building object oriented web applications in React JS, Typescript, HTML5, and CSS3
- Should be a quick learner and willing to go the extra mile in delivering the projects.
- Should be able to mentor junior folks whenever necessary.
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.
React.js Developer 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.
React.js Developer Requirements:
• Bachelor’s degree in Computer Science, Information Technology, or a similar field.
• 2years 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.
• 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.
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
Who are we? 👋
Toplyne is a global SaaS product built to help revenue teams, at businesses with a self-service motion, and a large user-base, identify which users to spend time on, when and for what outcome. Think self-service or freemium-led companies like Figma, Notion, Freshworks, and Slack. We do this by helping companies recognize signals across their - product engagement, sales, billing, and marketing data.
Founded in June 2021, Toplyne is backed by marquee investors and angels (we'll be happy to tell you how much we've raised, and from whom on call). We are building out our founding team as we speak and we'd love to chat with you!
And you are? 👩🏻🔧
You taking a lot of pride in writing scalable, readable & maintainable code. You have a product bent of mind. You like working in a fast paced environment and ship code most days of the week. You enjoy working cross functionally in a collaborative environment with designers, PM's to build the best product possible. You don't mind getting on customer calls to understand their perspective to build a better product or help them with issues they might be facing.
You're hungry, ready to hustle, and keen to learn!
What will you get to work on? 🏗️
As a founding member of the core engineering team, you will:
- Work with the founders in co-creating the product with early believers (read: customers)
- Develop massive, complex software systems that scale globally.
- Build and own a substantial part of the product and help build the culture of engineering within Toplyne
What do we expect from you? 🙌🏻
- Strong first principles
- Hustle! We're young, lean, and in our early days. You'd have to set up your own shop, work with design customers to find generalisable use cases, and build them out.
- Ability to collaborate with cross-functional teams to build and ship new features
- 2-6 years of experience
- Good understanding and experience working with javascript frameworks such as React.
- Work closely with developers and UX designers to ensure that the presentation layer is implemented in accordance with best above best practices and UX specifications.
What do we not expect from you? 🙅🏻♂️
- Not looking for a 10x engineer. We are ok if you are 1x but are really good at what you, a good human being & work well in a team.
1. Experience in React JS.
2. Understanding of open source eCommerce platforms like Php, Magento.
3. Experience in REST APIs integrations.
4. Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3









