
· 7+ years of professional experience in front-end development.
· 5+ 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.
Connect with the team
Similar jobs
- 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
- As a lead engineer, you will be expected to execute and deliver large and complex projects end-to-end, with or without the involvement of other team members.
- Participate in code reviews, app architecture, and design discussions.
- Ensuring timely delivery of all product deliverables.
- Be the go-to person for the team for guidance and troubleshooting.
- Mentoring junior developers and set best practices for coding, reviews, etc.
- Ensuring performance and scalability in all new product features being developed.
You need to have:
- Overall of 5+ years expertise in writing HTML/CSS/JavaScript
- Experience in Angular and preferably React.js
- Expertise in database modeling, preferably relational DB, spotting DB bottlenecks, and writing optimized DB queries.
- Expertise in all common AWS cloud technologies, knowledge of CI/CD tools, and workflows.
Description:
Looking for a great JavaScript developer who is proficient with React.js. primary focus will
be on developing user interface components and implementing them following well-known
React.js workflows with Redux.
Requirements:
Experience with web technologies (REACT, REDUX, AJAX, SCSS/LESS/CSS,
Hooks,HTML)
Excellent conceptual understanding of DOM, JavaScript, HTML/CSS and cross browser
rendering, behavior and performance. The candidate should have high level knowledge
on user experience, asset loading, browser rendering, responsive design, state
management, JavaScript asynchronous patterns, request handling, partial page updates, and REST APIs
with AJAX
Experience implementing static typing in JavaScript (Babel, Typescript)
Familiar with TDD practices. Comfortable with Jest, Jasmine, Cypress, Webdriver.io,
and other automation frameworks to develop and keep the test suite up to date.
Familiarity with front-end build/publish tools, such as npm. Grunt/Gulp.js, Webpack,
browserify.js
Proficient understanding of code versioning tools, such as GIT.
Why LiftOff?
We at LiftOff specialize in product creation, for our main forte lies in helping Entrepreneurs realize their dream. We have helped businesses and entrepreneurs launch more than 70 plus products.
Many on the team are serial entrepreneurs and have had a history of successful exits.
- 5+ years of experience, working on frontend technologies
- Individual contributor - responsible for the design, coding, and unit testing
- Should have good working experience in React and React Native
- Should have a good understanding of state management in frontend/UI applications
- Proficiency in Javascript / ECMAScript 6+
- Creating custom, general-use modules, and components that extend the elements and modules of React
- Good knowledge of data structures, problem-solving / algorithms
- Knowledge of creating custom / reusable components
- Should know OOP Concepts
We are a group of passionate people driven by a set of core values. We strive to make every process transparent and have flexible work timings along with great startup culture and vibe. There are no job designations because its a flat hierarchy.
Company Information
We are a technology company developing state-of-the-art products in the 3D technology space. We help our clients in the luxury retail space, enhance their online presence and ability to showcase their products to the end customer as life-like.
We are looking for a skilled react.js developer to join our development team. In this role, you will be responsible for developing and implementing 3D React.js concepts and technologies.
You should have working or implementation experience in Three.js JavaScript 3D Library
Job description
- Strong Understanding of Threejs Concepts
- Experience working with Threejs Immersive projects
- Render 3D objects using WebGL & Javascript API in all standard browsers.
- Strong knowledge of mobile web standards
- Proficient understanding of cross-browser compatibility issues and ways to work around them.
- This would be added advantage: experience in setting up Projects with Webpack and the various loaders and plugins.
Mandatory : Javascript 3D, Three.JS, Library
React.js Developer Requirements:
- Bachelors in computer science, information technology, or similar field
- 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 would be beneficial
Education:
- Bachelor's (Preferred)
• Strong education track record
• Bachelors or an advanced degree in Computer Science or a related engineering
discipline from Indian Institute of Technology or equivalent premium institute.
• 2-3 years of experience in UI Development using ReactJS
• An ideal candidate will be responsible to produce high-quality solutions; bringing
a deep understanding of modern HTML, JavaScript, and CSS, and the software
development life cycle and a strong ability to execute and implement standard
software architecture patterns.
• Expert knowledge of JavaScript to design optimized and modular components that
will be used across platforms.
• Proficient with ReactJS, Redux, Service Workers, Optimized coding practices,
Progressive Web Apps (PWA), Context API, System design, Web concepts, Server-
Side Rendering (SSR), lazy loading.
• Should have experience working with any of the chart’s library like charts.js,
Highcharts.js, etc.
• Should know how to write modular and optimized code.
• Should have good knowledge around error handling.
• Fair understanding of responsive design and cross-browser compatibility issues.
• Experience versioning control systems such as GIT
• Strong problem solving and communication skills.
• Self-starter, continuous learner.
Good to have some exposure to
• Start-up experience is highly preferred
• Exposure to micro front ends.
• Agile software development methodologies.
• Working in multi-functional, multi-location teams
We are looking for an Angular Developer to join our awesome team and deliver a streamlined user experience. We want a team member who strives to develop a first class codebase using Angular best practices. As an Angular 6/7/8 Developer, you will implement a complete user interface in the form of a mobile and desktop web app.
AngularJS Developer duties and responsibilities:
- 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.
- Develop application code and unit test in the Angular, Rest Web Services and Java technologies for the Application Development Center.
- Ensuring high performance
AngularJS Developer requirements and qualifications:
- Up to 3 years Experience with Angular 6/7/8.
- 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 any one of the modern JavaScript MV-VM/MVC frameworks (Angular, JQuery, NodeJS, GruntJS)
- Familiar with testing frameworks (Ex. Jasmine)
- Test runner framework (Ex. Karma)
- Hand on and implements complex Angular applications, directives, controllers, services
- Critical thinker and problem-solving skills
- Team player
- Good time-management skills
- Great interpersonal and communication skills
Pre-requisites:
- Excellent English communication skills
- Should be willing to run that extra mile for the role
- A positive approach with a go-getter attitude.
- Excellent team player
UI Architect / Developer
1. A must have skills is Angular. NodeJs preferred but can be replaced with anything on server side scripting.
a. 70% work for this role in angular based. At architect role without server side scripting understanding doesn’t a right fit.
b. Someone who can take sound decision for overall interaction with backend.
c. There are components written in node (Control Manager and aith server) which we have intentions to align with UI architect.
d. Given Node is technology primary in java script (same as angular), generally we are seeing people who have earlier exposure or are confident to pick it with little learning. But we would not penalize anyone who is week in node, but champ in angular for this role.
2. Design , develop and maintain client facing web applications.
3. Cooperating with backend developers in the process of building REST APIs.
4. Should demonstrate deep understanding of the following:
· Design - HTML/CSS
· Frontend languages - Experience with Javascript and related frameworks - Angular(7/8/9), Angular Material, Bootstrap(or similar CSS frameworks), Node JS (preferred but not mandatory).
· Test frameworks - Mocha, Chai, Jasmine, Karma
To be shared by you -
1. Can you lead frontend-backend integration?
2. Can you use linux machines?
3. Are you aware of websockets?
4. Has you workedon binary data communication over websockets?
5. Do you understand different types of communication protocols available between frontend-backend and it's working?
6. Do you have experience on electron framework?
7. Highest team size managed by you.









