
· 7+ years of professional experience in front-end development.
· 7+ years of hands-on experience with React.js and its ecosystem (Redux, Context API, Hooks, etc.).
· Strong understanding of JavaScript (ES6+), HTML5, and CSS3.
· Experience with RESTful APIs, GraphQL, and WebSocket integration.
· Proficiency in modern build tools (Webpack, Vite, Babel, etc.).
· Expertise in state management libraries (Redux, MobX) and React Query.
· Solid understanding of UI/UX principles and responsive design.
· Experience with testing frameworks (Jest, React Testing Library, Cypress, etc.).
· Familiarity with modern CI/CD pipelines and version control tools (Git).

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.
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Required Skills and Experience:
- 5 - 11 years of experience in front-end development, with a strong focus on React.js.
- Proven experience with React.js and related technologies (e.g., Redux, React Router, Hooks, Context API).
- Strong proficiency in JavaScript, HTML5, CSS3, and modern front-end build tools (e.g., Webpack, Babel, etc.).
- Hands-on experience with RESTful APIs, Server Sent Events, WebSocket's
- Hand’s on experience with web components, micro frontends
- Deep understanding of browser apis like history, intersection observer, event handling, virtual panes, drag and drop etc
- Ability to work on a complex and fast moving code base.
- Familiarity with TypeScript and its integration with React applications.
- Strong problem-solving skills and attention to detail.
Software Engineer - Frontend
Experiencing the world we live in is fundamental to our collective happiness and progress as a society. Headout’s mission is, and will always be, to unlock this happier world by connecting amazing in-person experiences with people all over the globe, giving them the opportunity to be entertained, educated and inspired. We are evolving the way people discover the world by connecting them with exceptional experiences at the push of a button. By combining delightful product experience, data-driven decisions, sophisticated supply side logistics network, and world-class operations, our single minded focus is on solving a huge basic human problem: how do we have a good time? On this mission, we've already served 7M+ guests from 190 countries who have headed out to an experience with us. While building scale that drives $200M+ in annualised sales, we hit profitability that is such a rarity on the back of our superior model.
As travel and in-person experiences recover, Headout is playing a critical role in our return to our way-of-life. With pent-up demand, generation and digitisation of experiences having been pushed forward by a decade, there is no better time to build than NOW.
We at Headout, like to solve real-world problems in the simplest & most elegant manner possible. We're seeking Frontend Engineers with the ability and passion for building solutions to people-centered problems that are created at the intersection of human behavior and technology. We also love folks who have a sense of humor and know how to have fun. ;-)
👩💻 The Role
- Craft the front-end architecture, develop our core features, and collaborate with our Product & Design teams to build something useful and beautiful.
- Build slick UI interfaces to provide the best user experience.
- Get your hands dirty with cross-platform architectural challenges, new frameworks, design patterns, and technologies.
- Build and contribute to open-source libraries and components.
🌟 Our Dream Engineer
- A penchant for learning and building with new technologies and frameworks.
- A knack for writing the most performance optimized code along with it being modular and scalable.
- No challenge is too big to solve; love thinking product and excited to ideate & build stuff all by yourself.
- You're interested in being an early employee at a growing company, with the influence and responsibility that entails.
- You have broad and deep knowledge across a variety of contemporary technologies.
💝 We like
- 2+ years of experience developing front-end platforms preferably in a high-growth startup.
- Solid hands-on experience with Javascript ES5 and ES6.
- Experience with NodeJS, Typescript, browser dev-tools etc.
- An opinion and preferably hands-on experience of CSS in JS vs old school style of writing CSS.
- Experience developing responsive designs using open source frameworks or even better, an attempt at your own framework.
- Solid understanding of how the web works and it's underlying communication protocols.
- People who give up anything to optimize that animation that they just created.
- Nice to Haves: An interest in UX, travel, local experiences & hospitality.
We are looking for a good 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
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)
About Us
It is a stealth mode startup founded by IIT/NIT alumni who held leadership positions in
companies like MindTickle and Browserstack. We have a grand vision of disrupting how companies buy and sell from each other. We are working with early customers to build an enterprise grade product that will be GA early next year.It is backed by tier 1 VCs and angel investors from India and Silicon Valley.
Job Description
We are looking for a Senior Frontend Engineer to work closely with the founding team. The successful candidate wants to take ownership, has a bias for action and loves to combine the art of design with the art of programming. Responsibilities will include translation of the UI/UX design wireframes to actual code that will produce visual elements of the application. You will work to bridge the gap between graphical design and technical implementation, taking an active role on both sides and defining how the application looks as well as how it works.
Responsibilities
1. Develop user-facing stack from scratch
2. Build reusable code and libraries for future use
3. Ensure the technical feasibility of UI/UX designs
4. Optimize application for maximum speed and scalability
5. Collaborate with other team members and stakeholders
Technology Skills
1. Proven work experience as a ReactJS Frontend developer
2. In-depth understanding of the entire web development process (design, development and
deployment)
3. Good experience with Typescript and ReactJS (17.x). NodeJS knowledge is a plus.
4. Familiarity with Unit Testing Frameworks, UI Testing, Monorepos and Graphql principles
5. Knowledge of Alerting and Monitoring tools
6. Knowledge of SPA principles
7. UI Performance: should have hands on experience of optimising page load, rendering, caching
8. Sense for appeal & aesthetics from a usability perspective.
Soft Skills
1. Obsessed with best practices, structuring, documentation and have an eye for detail.
2. Self starter with a high level of drive and commitment.
3. High energy and drive to work in a startup environment.
4. Conceptual thinking, flexibility and ability to juggle with multiple responsibilities.
5. Ability to work under pressure and confidence to deal with complex issues.
6. Good communication skills.
7. Hands-on and detail oriented.
FrontEnd Developer
Job Description
Introduction-:
Synapsica is a growth stage HealthTech startup founded by alumni from IIT Kharagpur, AIIMS New Delhi, and IIM Ahmedabad. We believe healthcare needs to be transparent and objective, while being affordable. Every patient has the right to know exactly what is happening in their bodies and they don’t have to rely on cryptic 2 liners given to them as diagnosis. Towards this aim, we are building an artificial intelligence enabled cloud based platform to analyse medical images and create v2.0 of advanced radiology reporting. We are backed by YCombinator and other investors from India, US and Japan. We are proud to have GE, AIIMS, the Spinal Kinetics as our partners.
Your Roles and Responsibilities
Who can apply:
We are looking for a passionate, self-starting, competent professional who is comfortable with all aspects of software development in FrontEnd. You will get hands-on experience in the latest technology and skills such as ReactJS, VueJS, VanillaJS etc. This role is ideal for you if you have a background in Front End development and are looking for the next level of career growth and competence in interface design and development.
What will you do:
- Responsible for developing, testing and maintaining the front-end of the product interface.
- Interacting with APIs and middlewares through Front-end action items.
- Ensuring responsiveness and cross-platform compatibility of applications.
- Owning and delivering end-to-end products, features, enhancements
. - Write clean, well-documented and functional code with unit test cases.
Required Skills and Technologies
- Degree in Computer Science or related discipline with 3-7 years of experience.
- Proficiency with VanillaJS, html and css, and fundamental front-end libraries and frameworks such as ReactJS, AngularJS, Vue.JS, .
- Hands on with React.JS or similar frontend framework/library.
- Well versed with UI and UX.
- Good to have knowledge of CI/CD tools.
- Hands on with investigating and fixing technical bottlenecks and performance assessment and improvement.
- Familiarity with agile methodologies.
- Prior experience with at least one no-sql database such as MongoDB.
- Excellent verbal communication skills.
- Good problem solving and troubleshooting skills.
- High sense of ownership along with deep interest and passion for technology.
Your role and responsibilities
- Integrating REST APIs in front-end application using React JS
- Implementing business logic in front-end application using javascript, should be able to handle complex JSON architecture.
- Should be able to manage states using Redux, Redux thunk/saga, Mobx.
- Should be comfortable in using both functional and class components in React.
- Should be able to create reusable components to make efficient applications. We hate code duplication.
- Must be familiar with popular React UI libraries like Material UI, Antd.
- Implement best practices and constantly learn new ways of keeping codebases up to date.
- Having knowledge in Typescript, GraphQL, NextJS, Socket.io is like a match made in heaven.
Criteria
- 2+ years of work experience with Javascript and React JS.
- Proficient understanding of code versioning tools, such as Git.
- Open-minded individual, open to learning new things
- A bit lazy is okay. Lazy people always find the quickest way to reach the solution. They write the most efficient code. We love that.
- You care about the design and user experience of an application. The choice of third-party libraries should be elegant.
Office Location: Goregaon Mumbai
Position description:
2+ years of experience on web technologies & React Native.
Primary Responsibilities:
- Coding and debugging pure working closely with Technical Lead/Project Manager to ensure development timelines are met
- JavaScript, polyglot and multi-lingual applications
- Contribute with ideas to improve system design or streamline product delivery
- Working with challenging applications involving Real Time Data
- Working on different platforms including the usage of the Native SDKs provided on JavaScript
Required Skills:
Mandatory: Passionate about sports, Problem solving, Team player, Target & Result oriented.
Functional: JavaScript, JavaScript Object Model, React Native, Native Build Tools, XCode and Android Studio, React Native workflows (such as Context or Redux and Redux Thunk Middleware), Maintaining reusable Components and Libraries, Animations and Transitions, Integrate Third-Party APIs, GIT & JIRA.
Our vision is to transform K-12 learning by making it fun and personalized for every child globally and to prepare them for the skills required in 21st-century. With more than 30M+ students onboard, we are the fastest growing elementary math program in the United States. Backed by Accel Partners and many more prominent investors, SplashLearn has won almost all Ed-tech awards ranging from Stevie Award for best Ed-tech product, Tabby award for best business, Parents Choice Award, Best App Ever Award, and many others. We believe, this is just the beginning.
To help us get to the next stage and to reach 100M+ students worldwide, we are looking for highly motivated individuals with a passion for building high performing teams.
We are looking for passionate coders with expertise in web front-end development. As a part of the web dev team, you will be responsible for creating and enhancing all user-facing modules for our web applications. This is an opportunity to work on a product that has reached millions of users worldwide and continues to grow and to work in an enriching and dynamic environment.
Requirements :
- Did graduation from a tier 1/tier 2 college
- Has at least 2-4 years of experience in web development
- Proficient understanding of web markup, including HTML5, CSS3
- Has thorough knowledge and experience with javascript and jquery
- Has experience of server-side CSS pre-processing platforms, such as LESS and SAAS
- Experience with React Redux JS will be a plus
- Has an expertise in handling cross-browser issues
- Has experience with designing responsive web applications
- Excellent analytical and problem-solving ability
- Is capable of writing pixel perfect styles
- Is a team player capable of working in a demanding start-up environment
Good to have :
- Prior experience in CMS development, SEO practices & AMP pages
- Experience with website optimization tools
Culture at SplashLearn
At SplashLearn we dig individuality. We love people who have something to say, and we listen. With us, you will get a chance to weave a little bit of you in our suite of learning products that are being used by millions of users. We have a workplace that is perennially high on energy. You can find people deeply engrossed in conversations that range from the latest movie to the newest tech on the block, and you will also see people who don- t want to have anything to do with that and are quietly typing away on their machines.
For more information about the company, please visit http://www.splashlearn.com
What will you do? 🤔
- Lead frontend team and work with Engineering Team to design beautiful products and thoughtful interactions that make the experience of working with data seamless!
- Help us design and optimize the performance of our products.
- Some of our users work with large data sets and have complex workflows that they manage with Atlan. You will be expected to prioritize user experience while building for scale.
- Design and develop products for diverse personas—data analysts in a large FMCG company, a data scientist working with a large fintech organization or a business user in a product startup.
- Collaborate across teams to achieve company-wide engineering goals and contribute to building a great engineering culture.
What makes you a match for us? 😍
- You have experience building a product from scratch or being in the initial frontend team of any startup.
- You have worked on building and debugging complex systems in both individual and team environments.
- You have a knack for picking the right set of tools for the job at hand.
- You are an expert in http://vue.js/">Vue.js or http://nuxt.js/">Nuxt.js and have a desire to deepen your knowledge in current technologies as well as learn new ones.
- You have a strong sense of customer empathy and desire to influence product direction.
- You have lead a team of frontend engineers previously.
- You love crafting beautiful UI & solid UX/DX to solve the users’ problem. You have a knack to go one step further to delight the user.
- You understand the big data landscape and empathize with the problems of data teams.
- You have previously worked in a startup environment, preferably with a SaaS product.
- You love open-source as much we do! Bonus points if you are an active contributor to the community (speak at conferences and meetups).











