
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.

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: Sr. Frontend Developer
Exp: 6- 9 Years
CTC: up to 30 LPA
Location: Bangalore
What we Require
- To convert our existing web application into a micro front-end architecture. The ideal candidate should have experience in AngularJS, ReactJS, MobX, and SCSS. Exposure to socket integration, mqtt integration would be a plus.
- Identify our existing web application’s different components and modules. Separate them into independent micro front-ends.
- Develop and maintain micro front-ends using AngularJS, ReactJS, MobX and SCSS
- Implement and configure Module Federation in Webpack 5 to share components between micro front-ends.
- Optimize micro front-ends for maximum speed and scalability.
Must-haves:
1. You need to be excited about the problem that we are trying to solve
2. 2+ years of experience building applications in React Native
3. Build pixel-perfect, buttery smooth UIs across both mobile platforms.
4. Strong JS fundamentals
5. Experience with iOS or Native Android development experience
6. Ability to give clarity and communicate well with the team, including
Product, Backend and Dev-Ops (if and when needed)
7. Ability to use profiling tools well, getting to root causes of bugs fast
8. Ability to pick and work on adjacent technologies if and when
required (Eg: If the best performance monitoring solution needs a
basic firebase setup, that should not be a blocker for you to go ahead
and do so)
9. Maintain code and write unit tests to ensure the product is of the
highest quality.
10. Reach out to the open-source community to encourage and help
implement mission-critical software fixes—React Native moves fast.
11. You need to be comfortable working in a remote environment (Good
internet connection and availability on phone is required)
12. Keen to learn!
Good to have:
1. Experience with React.js
2. Experience in Test Driven Development
3. Ability to tell Product what creates better User Experience, ability to
tell backend what API responses will help the user get a faster load
time
4. Inquisitiveness to understand the system as a whole, and not only be
stuck to your domain of expertise (Eg: Asking questions like why
does this particular response take so much time as compared to
others, and brainstorming with the backend engineer on how to
improve on it
- We are looking for candidates who have good programming skills. Strong on data structures, algorithms, understand time space complexity, able to come up with multiple solutions and then arrive at most optimized one keeping in mind customer requirements. Should also be well aware of OO concepts. If he / she has a strong background on these areas ( in any programming language),
- Next the candidate should have worked on JS with good hands on experience in a few projects mainly in backend development like making api calls, handling exception, models, data transformations, controllers etc.
- The last would be having some experience in any one of react.js/ node.js or even angular.js since some of these are being used in the current project.
- Prefer candidates with Angular (ver 8+), react.js (ver 16+), Node (Ver 14+) and extremely good in JavaScript, HTML & CSS
- Experience : 3-6 years relevant
ROLE/SKILLS:
We are looking for a Front-End Web Developer who is motivated 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 with the UI/UX designer and 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
- 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
- Experience of theme design on the WordPress CMS is mandatory.
Skills and Qualifications
- 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
Note: Every front-end developer is expected to have a proficient knowledge of JavaScript, while most front-end developers should know jQuery.
- Good understanding of (Depending on the specific case, a developer should have the knowledge of advanced JavaScript libraries and frameworks, such as AngularJS, KnockoutJS, BackboneJS, ReactJS, DurandalJS etc.)
- 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.
Note: A UI/UX designer is expected to deliver finished resources for the developer to incorporate into the app. However, quite often a front-end web developer needs to make some small adjustments.
- Proficient understanding of cross-browser compatibility issues and ways to work around them.
- Proficient understanding of code versioning tools, such as (Git / Mercurial / SVN)
- Good understanding of SEO principles and ensuring that application will adhere to them.
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)
We are looking for a Product Engineer - 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
- 1+ 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.
As a Front-end developer, you will work with motivated individuals who are passionate-beyond-measure to offer the Ultimate Shopping experience to consumers. You will leverage the latest technologies (HTML5, Javascript, ajax) and application paradigms (web apps on the desktop) to create a beautiful client that runs seamlessly on windows, mac, chrome, firefox, IE, safari.
Responsibilities:
- Implement Visual Designs in standards compliant, clean markup (HTML5/CSS3/JS)
- Develop responsive designs and thoroughly test cross browser compatibility of all product interfaces
- Identify and research new UI technologies
- Suggest and implement improvements to existing product interfaces
- Assist in building wireframes/prototypes
- Make data driven decisions based on analytics to improve user engage
- Advise, collaborate with, and synthesize feedback from designers and the backend team.
- Ready to explore and perform tasks that are out of your own pool of expertise
- Fulfil several project requests simultaneously while meeting tight deadlines.
- Make pages optimized for both performance as well as SEO
Requirements:
- Expert in making scalable and modular Front End code
- In depth knowledge of HTML, CSS & JavaScript
- Good experience in making Progressive Web Apps
- Knowledge of cross browsers & devices development issues and inconsistencies
- Good knowledge and experience in ReactJS and Server Side Rendering
- Experience in setting up & running task runners like Gulp & Webpack
- Experience in CSS pre and post processors like SASS/Stylus & PostCSS (we use SASS combined with PostCSS) & BEM style coding
- Experience in creating transitions/animations at 60fps especially on mobiles
- BE Computer Science, MCA or equivalent
- Cloud app development experience
- Developed micro services
- Strong NodeJS experience
- Experience with RabbitMQ is a PLUS
- Experience with MQTT is a PLUS
- Fullstack experience and especially with ReactJS desired
- Experience with SQL and NOSQL databases
- Strong communication skills
Responsibilities
- *You will be working on AI/IOT cloud and responsible for architecture and hands on coding.
- *We need someone who can engage in conversations about technical architecture with internal team and external customers.
- *You will be responsible for creating architecture document, writing pseudo code, explaining design and teststrategy,review work by others in the team, give good guidance, and ensuring the delivery of high-quality software.
- *We are looking for Can do it attitude, and ability to deliver with high velocity and high-quality at the same time.
- Interface Developer-Senior Associate:
Exp: 4-10 Years
Location: Mumbai/Ahmedabad/Gurgaon/Bangalore
Role:
HTML5, CSS3, JS, ES6, ReactJS, PSD to HTML
Knowledge of build tools like Webpack, Babel
and Grunt Basic understanding of Atomic Design Principles
Basic knowledge of AEM

Responsibilities-
- Developing new user-facing features using React.js, HTML5, CSS3
- 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
- Good understanding of HTML5, CSS3 concepts
- Thorough understanding of React.js and its core principles
- Experience with popular React.js workflows (such as Flux or Redux)
- Familiarity with newer specifications of EcmaScript
- Experience with data structure libraries (e.g., Immutable.js)
- Familiarity with RESTful APIs
- Knowledge of modern authorization mechanisms, such as JSON Web Token
- Familiarity with modern front-end build pipelines and tools
- Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
- Ability to understand business requirements and translate them into technical requirements.







