
Senior Front End Engineer (React.js & React Native - Mobile Experience)
Job description
Fulfil’s software engineers develop the next-generation technologies that change how millions of customer orders are fulfilled by merchants. Our products need to handle information at a massive scale. We're looking for engineers who bring fresh ideas from all areas into our technology.
As a Front End software engineer, you will work on the ReactJS & React Native (Mobile Experience) powered user interface used by Fulfil merchants to manage their back-office operations. This is mission critical software and your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux) & React Native (Mobile Experience). You will ensure that these components and the overall application are robust and easy to maintain. In this role, you will be collaborating closely with the rest of the team working on different layers of infrastructure in an international environment. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality are important.
What You’ll Do:
- Collaborate with a small yet extraordinarily talented team of engineers to implement front-end technologies
- Develop new user-facing features using React.js & React Native (Mobile Experience)
- Work closely with the Design and Product teams to translate complex technical workflows into delightful user experiences
- Define how Fulfil builds user interfaces and ensure that we’re utilizing and keeping up with modern web standards
- Continually test, measure, and iterate on the results of your work in the spirit of continuous improvement
- Write clean, reusable, and well-tested front-end code
- Help to bridge the responsibilities of the Product and Engineering teams, spending time with both on the way to launching new products
- Architect efficient and reusable front-end abstractions and systems that drive complex web applications
- Build and contribute to open source projects
- Build reusable components and front-end libraries for future use
- Optimize components for maximum performance across a vast array of web-capable devices and browsers
Requirements
We’re Looking for Someone With:
- 5+ years of experience as an engineer
- Experience in building large-scale web applications in a fast-moving team environment
- A strong understanding of UX and UI design standards
- The perfectionist’s touch on a pragmatist’s deadline: you strive for pixel-perfection and intuitive functionality
- Strong proficiency in JavaScript (2-4 Years of experience), including DOM manipulation and the JavaScript object model
- Thorough understanding of React.js & React Native (Mobile Experience) and its core principles, with experience in popular React.js workflows (such as Flux or Redux)
- Experience with common front-end development tools such as Babel, Webpack, NPM, etc
- The ability to bring any design to life with HTML and CSS, with cross browser compatibility and accessibility
- Smarts, humility, communication skills, and equal willingness to teach and learn
- Familiarity with RESTful and GraphQL APIs
- Knowledge of modern authorization mechanisms, such as JSON Web Token
- Experience in developing large client side JavaScript applications
- Familiarity with code versioning tools like GIT
- Experience with Javascript testing tools and test automation
Nice to Haves:
- Prior experience at a growth stage Internet/Software company
- Demonstrated work beyond the front-end, experienced in integrating with a wide array of back-end technologies and services (e.g. experience with Python, AngularJS)
- Experience developing large client-side applications and optimizing them for performance
- You can straddle client and server development, creating APIs that drive web apps
- You understand the intricacies of timezones
- Web optimization, performance tools, and load testing
- You maintain or contribute to an open-source project

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Experience : 2+ Years
Location : Gurgaon, Sector 48 (Work From Office)
Working Days : 6 Days
Employment Type : Full-Time, Permanent
Job Summary :
We are seeking a talented React.js + Web3 Developer to join our fast-growing engineering team.
The ideal candidate should have strong front-end development skills along with hands-on experience in blockchain/Web3 integrations.
Mandatory Skills : React.js, JavaScript/TypeScript, Web3.js/Ethers.js, Wallet Integrations, State Management (Redux/Zustand), REST APIs, Git.
Key Responsibilities :
- Develop responsive, scalable front-end applications using React.js & TypeScript.
- Integrate Web3.js / Ethers.js to connect UI with blockchain networks.
- Work with REST & GraphQL APIs for backend communication.
- Implement wallet integrations (MetaMask, WalletConnect, Coinbase Wallet, etc.).
- Collaborate with blockchain engineers for smart contract interactions.
- Optimize UI performance, handle state management, and write clean, maintainable code.
- Troubleshoot and enhance Web3 features within the application.
Mandatory Skills :
- Strong hands-on experience in React.js, JavaScript/TypeScript.
- Experience with Web3.js/Ethers.js, blockchain interactions.
- Understanding of wallet integrations, dApps, and blockchain basics.
- Knowledge of state management (Redux/Zustand/Context API).
- Strong debugging, problem-solving, and Git experience.
Nice to Have :
- Familiarity with Solidity, Smart Contracts, and Ethereum ecosystem.
- Experience with Node.js or backend systems.
- Understanding of IPFS, Layer 2 solutions, and NFT standards.
- 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
- Assure that all user input is validated before submitting to the back-end
- Collaborate with other team members.
Skills And Qualifications :
- Proficient understanding of web markup, including HTML5, CSS3, Bootstrap, Flexbox.
- Proficient understanding of advanced JavaScript libraries and frameworks, such as ReactJS
- Good understanding of asynchronous request handling, partial page updates, and AJAX framework.
- Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS.
- Proficient understanding of cross-browser compatibility issues and ways to work around them.
- Proficient understanding of code versioning tools, such as Git, Github
Front end Developer (Angular)
- You are your own master. We don't preach you, we just allow you to Innovate, Iterate, Learn and Adapt
- Work with one of India's leading fintech unicorn company
- ESOPs in the company
Requirements
- At least 3-12 years of Frontend development experience
- BE/BS in Computer Science, Management and Information Systems, or equivalent
- Problem Solver: Ability to formulate/implement technical solutions, proven ability to understand, analyze, and
solve issues with guidance.
- Should have executed a production level end to end UI application on his own
- A hands-on contributor who played an important role in implementing the proposed architecture and design
- Excellent command over HTML5, CSS,Javascript,Jquery,Ajax,MVVM. Proficient understanding of web markup.
- Expert Level proficiency of Bootstrap, Angular.js (Angular Latest version preferred), Framework.
- General Familiarity with Node.js, Ember.js, Can.js, React.js
- Proficient in unit test cases for UI applications functionality and flow testing using Jasmine/Karma Framework
- Good knowledge of caching and memory management for UI applications
- Exposure to data visualization libraries such as D3.js
Roles and Responsibilities
- Collaborate with cross-functional teams to define, design, and push new features and innovative front-end
solutions. Translate UI/UX design wireframes to actual code that will produce visual elements of the application.
- Continuously discovering, evaluating, and implementing new technologies to maximize development efficiency.
- Provide technical leadership towards new UI architectures.
- Unit-testing code for robustness, including edge cases, usability, and general reliability.
- Create and be accountable for user interaction models, workflows, information architecture, prototypes, and
guidelines for user interfaces.
- Work closely and collaborate with other members of the development teams to ensure smooth integration of the UI component with back end technologies
- Designing and building responsive web applications.
Responsibilities and Duties
- Integrate front-end application with the application business layer.
- Stick to established coding standards and group procedures individually and in teams
- Develop a flexible and well-structured front-end architecture, along with the APIs to support it
- Ensure the technical feasibility of UI/UX designs
- Optimize application for maximum speed and scalability
- Coordinate with Interface Design Architects for meeting accessibility standards at the code level
- Ensure design consistency with client's development standards and guidelines
- Design and build UIs on any server platform in a team environment
We, Itu Chaudhuri Design Pvt Ltd, are one of India's leading graphic design studio. Our work covers branding, communication, packaging and digital, for editorial, social, consumer and product businesses. We also design and develop award-winning websites, which include news websites (The Hindu), e-commerce websites (Sleepwell), interactive and experimental applications (Re:Reader), ERP software, and more (https://icdindia.com/projects/category/digital)
We are hiring talented Web Developers to join our team. The CTC will depend on how the candidate performs in the interview process.
Responsibilities for Front End Developer
- translate UI/UX design wireframes to actual pixel-perfect code
- develop a responsive website using HTML and CSS
- develop complex animations using CSS and javascript that is responsive, fast, bug-free, and cross-browser/device compatible
- write reusable code and libraries, enhance applications for maximum speed and scalability, validate input before submitting to the back end and follow other industrywide best practices to maintain the best quality of the code and websites
- the developed code should be secure, scalable, responsive, and fast and should incorporate all the latest features
- experiment with the latest technologies and create new work processes in the organization
Qualifications for Front-End Developer
- good communication skills and proficiency in English is a must
- 3 - 6 years of full-time work experience in a similar role
- expert knowledge of HTML/CSS, React.JS, and Javascript is a required
- working knowledge of WordPress, Shopify, Liquid.JS, Next.JS, GraphQL and other libraries is a plus
- good understanding of SEO
- proficient in code visioning tools like GitHub
- ability to work independently with minimal supervision while achieving benchmarks
- advanced problem-solving skills and the ability to optimize code for the best possible outcome
- understanding of web security issues and best practices
- familiarity with network diagnostics tools
- team management skills
We are on a mission to help e-learning companies and L&D leaders in enterprises to deliver engaging video experience to their end users and customers. VideoKen’s patented AI-powered video discovery, indexing, engagement and analytics platform is used by 30+ customers across the world including marquee brands like Bosch, Oracle, Accenture, TCS, Upgrad, Kaplan Test Prep etc.,
**WE BELIEVE IN**
Enabling better learning outcomes: Video interactivity and analytics powered by VideoKen delivers better learning outcomes for our customers, enabling them to expand their business.
Building a large profitable business: We envision building a large profitable business to achieve our mission of democratizing quality learning experiences.
Innovative culture with personal growth: We have a culture of innovation, and pay attention to each team member’s individual growth. VideoKen’s technology is covered by 8 US granted patents and several pending patent applications.
**OUR IMPACT SO FAR**
* 3 millions minutes of videos processed.
* 7 million minutes of videos delightfully experienced with the VideoKen AI player.
* 1.5K+ websites embedded with videos powered by VideoKen.
* Top AI conferences such as NeurIPS, ICML, ICLR, etc. use VideoKen for discovery and deep search.
**WHAT AN IDEAL CANDIDATE WOULD LOOK LIKE: **
* 5+ years of working on JavaScript/HTML/CSS
* Good understanding of modern JavaScript features like ES Modules, Promises, Async/Await, Symbols, Generators, Iterators, Microtasks etc.
* Experienced with a web framework like React or Vue
* Good understanding of DOM and modern Web APIs
* Good understanding of browser rendering pipeline and performance optimizations
* Familiarity with front-end build tools, like Webpack or Rollup
* Good understanding of CI/CD processes
* Experience working with NodeJS
* Good knowledge and understanding of data structure and algorithms
* Previous work experience at a product-based company or startup would be a bonus.
PERSONALITY TRAITS WE REALLY ADMIRE
* Great attitude to ask questions, learn, and suggest process improvements.
* Pays great attention to detail and helps identify edge cases.
* Gives equal importance to planning, coding, code reviews, documentation, and testing.
* Highly motivated and coming up with fresh ideas and perspectives to help us move towards our goals faster.
* Follows release cycles and absolute commitment to deadlines.
Our tech stack is Django framework (python), ReactJS, VueJS, PostgreSQL, Redis, COSMOS DB, and Elasticsearch.
**WHY JOIN US **
Freedom and Responsibility: If you are a person who wants to take up challenging work and push your boundaries with no one monitoring you, then this is the right place for you. There are no hierarchies. No managers to please.
Great Salary and Equity: For our top performers and leaders, we grant stock options. As VideoKen continues to grow, you’ll have a real opportunity to create wealth for yourself and your family. We pay industry competitive salaries too!
Holistic Growth and Flexible work schedule: Building a career doesn’t have to be at the cost of missing out on your personal front. We have flexible timings, work from home, and leave policy.
Transparency: If you ever wanted to know what it’s like to be on an entrepreneurial journey, then working with VideoKen gives you that opportunity to experience it from the front seat.








