
Job Summary:
We are seeking a highly skilled and hands-on UI Developer with strong expertise in React.js and JavaScript to join our front-end engineering team. The ideal candidate will have at least 5 years of experience in developing scalable, high-performance, and user-centric web applications. You will be expected to contribute immediately, owning development tasks end-to-end — from design and coding to performance tuning and deployment.
Key Responsibilities:
- Design and develop responsive, high-quality user interfaces using React.js, JavaScript, HTML5, and CSS3.
- Collaborate closely with UX designers, backend developers, and product managers to translate business requirements into technical implementations.
- Write clean, efficient, and reusable code following best practices and modern front-end standards.
- Optimize components for maximum performance and scalability across various browsers and devices.
- Participate in code reviews, ensuring adherence to coding standards and best practices.
- Troubleshoot, debug, and resolve UI-related performance or compatibility issues.
- Stay up to date with emerging front-end technologies and continuously enhance the development process.
Required Skills & Qualifications:
- Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.
- 5+ years of professional experience in front-end/UI development.
- Deep hands-on experience with React.js and core JavaScript (ES6+).
- Strong understanding of HTML5, CSS3, and modern UI frameworks/libraries.
- Experience with React hooks, state management (Redux or Context API), and component-based architecture.
- Familiarity with RESTful APIs and integration of front-end applications with backend services.
- Experience with Webpack, Babel, NPM/Yarn, and modern build tools.
- Solid understanding of version control systems (Git).
- Strong debugging and performance optimization skills.
- Ability to deliver results in a fast-paced, agile environment.
Good to Have Skills:
- Experience with TypeScript, Next.js, or React Native.
- Knowledge of testing frameworks such as Jest, Mocha, or React Testing Library.
- Familiarity with CI/CD pipelines and DevOps tools.
- Understanding of UI/UX design principles and ability to collaborate effectively with designers.
- Exposure to cloud environments (AWS, Azure, or GCP).
- Experience in performance profiling and accessibility (a11y) best practices

About Wissen Technology
About
The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains.
With offices in US, India, UK, Australia, Mexico, and Canada, we offer an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
Connect with the team
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Role & Responsibilities
4-7 years of Strong proficiency in Full stack Development of Web Applications and experience in shipping production applications.
Experience of using Typescript for development would be a mandate.
Frontend- next.js, react.js, vue.js and bit for svelte kit are highly preferred Backend- node.js, react.js, express.js
B.Tech in Computer Science Engineering from Tier 1 Colleges preferred
Experienced with Tailwind CSS
Experienced with TDD for component and end-to-end testing
Ableto set up CI/CD pipelines for testing and deployment (canary, staging) using Github actions according to project
Entrepreneurial mindset with strong decision-making skills
Ability to move quickly without breaking things too much (we are dreamers)
Ability to work under immense pressure which is balanced by a sense of responsibility and ownership
Comfortable working with a Git style workflow where every commit deploys to a staging environment and merged pull requests deploy to production
We're looking for an experienced mid-level Front End Engineer who’s passionate about building mobile and web products. As a Front End Engineer, you will be trusted to architect efficient, scalable, beautiful design systems for our web applications.
Company's Name:- WeAssemble
Website:- www.weassemble.team
Location:- Prabhadevi, 2min walkable from Prabhadevi Railway Station
Designation:- Vue.js Developer
Working Days - Monday - Friday
All Sat & Sun Off
Office timing - 9:00 - 6:00
Responsibilities
* Build interactive UI components with VueJs in various applications
* Collaborating regularly with backend/API engineers in designing, specifying, and implementing services to decouple functionality
* Find opportunities to improve current systems or patterns through auditing or benchmarking
* 'Own' and take lead in newly developed features for current or next-generation platforms
* Maintain our front-end test coverage by running your own tests and working with our QA team on automated testing
* Lend a hand to help other engineers through pair programming, mentoring, and supporting your teammates
Requirements
* Experience: 4 - 5 years
* Good knowledge of VueJs
* In-depthIn depth understanding of JavaScript
* Understanding of REST APIs
* Experience with Sass / Scss / Less / CSS
* Have in-depth knowledge of browsers, cross-browser compatibility issues, and how the DOM works
* Bring experience in the day-to-day practices of continuous delivery, automated testing, and agile development
* Comprehensively understand Web Application fundamentals and the libraries/tool chains used to deliver them such as Webpack, Babel, testing with Mocha/Chai or Jest, git and other CI tools
Tools
* Git
* Jira
\Good to have
* Experience with Mocha, Chai or Jest
* Experience with Sprint
* Familiarity and experience with Container architecture - Docker/Jenkins and build scripts
We are looking for a skilled React Native Developer to join our mobile development team. You will be responsible for building performant, maintainable, and responsive mobile applications for iOS and Android platforms using React Native.
Key Responsibilities:
- Develop cross-platform mobile applications using React Native and JavaScript
- Translate designs from Figma or other specs into responsive UI using Flexbox, StyleSheet, and semantic components like View, Text, and Image
- Work with APIs using fetch, async/await, and implement robust error handling
- Use React Hooks (useState, useEffect, useRef, etc.) and manage component state and lifecycles effectively
- Optimize performance using FlatList, SectionList, useMemo, useCallback, and memo
- Handle accessibility, dark mode, safe areas, notches, and orientation changes
- Implement animations using Animated API and LayoutAnimation
- Use tools like React DevTools, Flipper, and Chrome DevTools for debugging and performance profiling
- Integrate third-party libraries, native modules, or write custom native bridges as needed
- Handle OTA updates, app size optimizations, and splash screens for both platforms
- Set up automated testing using tools like Detox or Appium
- Integrate and manage analytics (Firebase, Mixpanel), Crashlytics, and logging
- Write clean, modular, and reusable code following patterns like atomic design or MVVM
Job Responsibilities:
- Work closely with the marketing team to build high conversion landing pages. Maintain and improve our marketing codebase
- Contribute ideas and efforts to improve the quality and efficiency of the marketing workflows
- Write code using agile methods and tools. Plan, create, and execute (manual and automated) frontend tests.
- Staying up to date with current technologies and providing insights on cutting-edge software approaches, architectures, and vendors
Required Skills:
- Minimum 2-4 years of experience in Front-end development.
- Fluency in HTML, CSS, JS, jQuery, Bootstrap
- Good knowledge of Node.js and Rest APIs
- Experience in page speed optimization
- Experience in writing responsive and cross-browser compatible frontend code
- Good understanding of the modern frontend ecosystem.
- Strong problem-solving skills. Willingness to learn and ability to flourish in a dynamic, high-growth, entrepreneurial environment
- You are a self-starter, capable of working independently.
- True love for technology and what you do.
- Maniacal attention to detail.
Good to have:
- Experience in WordPress theme development
- Understanding of basic technical SEO principles
- Knowledge of a frontend framework like Angular
Classplus is India's largest B2B ed-tech start-up, enabling 1 Lac+ educators and content creators to create their digital identity with their own branded apps. Starting in 2018, we have grown more than 10x in the last year, into India's fastest-growing video learning platform.
Over the years, marquee investors like Tiger Global, Surge, GSV Ventures, Blume, Falcon, Capital, RTP Global, and Chimera Ventures have supported our vision. Thanks to our awesome and dedicated team, we achieved a major milestone in March this year when we
secured a “Series-D” funding.
Now as we go global, we are super excited to have new folks on board who can take the rocketship higher🚀.
Do you think you have what it takes to help us achieve this? Find Out Below!
What will you do?
You will be our go-to person when it comes to ensuring that Classplus’ digital architecture functions smoothly. Though not a traditional customer-facing role, your work will be reflective of our brand quality as a whole.
With so much riding on your shoulders, we’ll need you to: -
• Guide the team in the implementation of visual elements from computer users' vantage points within a web application and translation of UI/UX design wireframes to actual code
• Design and implement low-latency, highly available and performing applications that scale for millions of users, and assure that all user input is validated before submitting to the back-end
• Develop application code and unit test in the Javascript technologies for the application development center
• Work with Test-Driven development, help define architectures and design patterns, and actively participate in PR reviews on GitHub
You should apply, if you
• Bring your A-game: Have knowledge of advanced JavaScript libraries and frameworks, such as ReactJS, NextJS, VueJS, and experience with rendering techniques and writing high performing code
• Offer guaranteed efficiency: Have a good understanding of SEO principles and ensuring that application will adhere to them, and server-side CSS pre-processing platforms, such as LESS and SASS
• Show promising experience: Have a good understanding and exposure to serverside rendering, and asynchronous request handling, partial page updates, and AJAX
• Show proficiency: Display in-depth understanding of code versioning tools, such as (Git / Mercurial / SVN), and cross-browser compatibility issues and ways to work around them
Being a Part of the Clan!
At Classplus, you’re not an “employee” but a part of our “Clan”. So, you can forget about being bound by the clock as long as you’re crushing it workwise😎. Add to that some passionate people working with and around you, and what you get is the perfect work vibe you’ve been looking for!
It doesn’t matter how long your journey has been or your position in the hierarchy (we don’t do Sirs and Ma’ams); you’ll be heard, appreciated, and rewarded. One can say, we have a special place in our hearts for the Doers! ✊🏼❤️
Are you a go-getter with the chops to nail what you do? Then this is the place for you
Candidate Requirements
- Strong expertise with HTML, CSS, and writing cross-browser compatible code
- Good understanding of AJAX and JavaScript Dom manipulation Techniques
- Experience with RESTful services
- Experience in JavaScript build tools like grunt or gulp
- Expert in Angular, TypeScript, Angular Material and Server Side Rendering (SSR)
- Hand on and implements complex Angular applications, directives, controllers, services and components, create the same from scratch
- Experience in Third Party integrations like Payment Gateway, Facebook, Gmail and any other Google APIs
- Knowledge of state management tools such, NgRx, Redux
Job Description
- Develop User interfaces for Modern Rich Internet Applications with the latest Front End Technologies Perform product analysis and development tasks of increasingly complex nature which may require extensive research and analysis
- Writing tested and documented JavaScript, HTML and CSS
- Make design and technical decisions for Angular projects
- Ensuring high performance
Job Description
SDE-II (FE)
Responsibilities
- Gather functional requirements from product management/UX teams and translate requirements into technical specifications to build robust, scalable, supportable solutions
- Serve as technical lead throughout the full development lifecycle, end-to-end, from scoping, planning, conception, design, implementation and testing, to documentation, delivery and maintenance.
- Provide design reviews for other engineers, including feedback on architecture and design issues, as well as integration and performance.
- Manage resources on multiple technical projects and ensure schedules, milestones, and priorities are compatible with technology and business goals.
- 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 back-end
- Collaborate with other team members and stakeholders
Requirements
- Proficient understanding of web markup, including HTML5, CSS3
- Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS
- Proficient understanding of client-side scripting and JavaScript frameworks, including jQuery
- Good understanding of AngularJS, ReactJS
- Good understanding of asynchronous request handling, partial page updates, and AJAX
- Basic knowledge of image authoring tools, to be able to crop, resize, or perform small adjustments on an image. Familiarity with tools such as as Gimp or Photoshop is a plus.
- Proficient understanding of cross-browser compatibility issues and ways to work around them.
- Proficient understanding of git
- Good understanding of SEO principles and ensuring that the application will adhere to them.
- BTech/BE Equivalent.
- 3-5 years of experience
- Minimum 10 years of relevant work experience in similar roles.
- JavaScript and HTML/CSS UI development experience with React and Redux.
- Solid experience with displaying charts, reports and graph data structures.
- Solid experience using REST APIs and GraphQL
- Comfortable with building UIs from mockups.
- Outstanding collaboration and communication skills. Ability to effectively collaborate with distributed team.
- Understand and practice agile development methodology.
- Prior experience working in a software product company.









