

· 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.
Connect with the team
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* 8+ years of experience developing core Java applications across enterprise, SME, or start-up
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* Proven experience with distributed systems and event-driven architectures.
* Expertise in Spring Boot, Spring Framework, and RESTful API development.
* Experience in designing, building, and monitoring microservices.
* Solid background in persistence technologies including JPA, Hibernate, MS-SQL, and
PostgreSQL.
* Proficient in Java 11+, including features like Streams, Lambdas, and Functional
Programming.
* Experience with CI/CD pipelines using tools such as Jenkins, GitLab CI, GitHub Actions, or
AWS DevOps.
* Familiarity with major cloud platforms: AWS, Azure, or GCP (AWS preferred).
* Front-end development experience using React or Angular with good understanding of
leveraging best practices around HTML, CSS3/Tailwind, Responsive designs.
* Comfortable in Agile environments with iterative development and regular demos.
* Experience with container orchestration using Managed Kubernetes (EKS, AKS, or GKE).
* Working knowledge of Domain-Driven Design (DDD) and Backend-for-Frontend (BFF) concepts.
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* Hospitality services domain experience is a plus.
* Strong problem-solving skills, with the ability to work independently and in a team.
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* • Skilled in code and query optimization.
* Experience with version control systems, particularly git

Requirements
Must have 1.5 years of experience in front end development in an internet startup
Deep knowledge of Angular practices and commonly used modules based on extensive work experience
Proficiency with javascript and html5
Extensive knowledge of CSS and JS methods for providing performance visual effects and keeping the frame rate above 30 fps at all times
Thorough understanding of the responsibility of the platform, database, API, caching layer, proxies and other web services used in the system
Creating custom general use modules and components which extend the elements and modules of core Angular
Ability to understand business requirements and translate them in to technical requirements
Roles and responsibilities
Delivering a complete front end application
Ensuring high performance on mobile and desktop
Writing tested, idiomatic and documented Javascript, HTML, CSS
Co-ordinating the workflow between graphic designer, HTML coder and yourself
Cooperating with the back end developer in the process of building restful API
Communicating with external webservices
Ensure high quality graphic standards and high consistency
Stay up to date on emerging technologies
Write functional requirement documents and guides
Must have skills (Angular 6, CSS, HTML, Javascript (ES5 and ES6), rest ful API, Product company / startup experience)

Requirement:
Position: Web Developer
Experience: Min 3 yrs
Relevant Experience in React , Javascript etc is mandatory
CTC: As per standards
Location: Bangalore
Industry: Retail / E-commerce
Functional Area: IT Software - eCommerce, Internet Technologies
Role Category: Programming & Design
Role: Application Programmer
Employment Type: Permanent Job, Full-Time
Mid developer (New)
Knowledge in react JS, Javascript, HTML, CSS
Knowledge in React JS (Overview)
Fair understanding of redux and hooks
Coding Skills
Budget – up to 15 LPA CTC
Snr Web developer (New)
Knowledge in react JS, Javascript, HTML, CSS
Understanding of advanced hooks, redux, saga concepts, context API
Advanced understanding of ES6, ES7 JS, advanced javascript and typescript features
Understanding of coding practices, best practices, architecture
Understanding of advanced concepts in reactJS like observables, interceptors, code splitting, performance enhancement and SEO
Budget – up to 25 LPA CTC

● 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
● 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 (such as Flux or Redux)
● Familiarity with newer specifications of EcmaScript as well as HTML and CSS
● Experience with data structure libraries (e.g., Immutable.js)
● Working knowledge and integration knowledge with RESTful APIs
● Knowlegde of websockets implementation is a must.
● 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.
● A knack for benchmarking and optimization
● Familiarity with code versioning tools {such as Git}
● Added advantages if you have working knowledge of AWS



Work Location: Madurai
Interview Process : Face to Face
Experiences : 2 Years to 8 Years
Please do share your resume to my inbox
Job Description : ReactJS (Lead)
* In this role, you will be responsible for developing and implementing user interface components using React.js concepts and workflows such as Redux, Flux, and Webpack. you should have in-depth knowledge of JavaScript and React concepts, excellent front-end coding skills, and a good understanding of progressive webapplications. Ultimately, a top-class react.js developer should be able to design and build modern user interface components to enhance application performance.
* 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.
* Experience with user interface design.
* Knowledge of performance testing frameworks including Mocha and Jest.
* Experience with browser-based debugging and performance testing software.

Requirements :
a) CSS / Bootstrap : Flex Layout/ability to demonstrate the cascading nature of CSS clearly with example/Positioning.
b) Pure JavaScript: Prototype chain and inner workings of inheritance in JS. Understood DOM, Events, Event Bubbling, and Capturing/ ability to demonstrate it with example/ Promises and their use cases.
c) TypeScript: Basic understanding of using TS. Union Types, Index Signatures,
d) REST: Backend experience. REST principles, URL structures for APIs. integration using native JS (fetch and Promises) and in Angular. use cases of getting vs POST vs PUT vs PATCH.
e) Angular : Abstractions of Angular Component, Service, Pipe, Directive, Module, Lifecycles. Knew advanced patterns as well Dynamic Components, Content Projection, Reactive Forms, ViewChild, ContentChild. Understood Observables and various operators demonstration of Design Skills ability to create the component and module hierarchy for a moderately complex application, along with their interactions

● Interact with development teams to develop a strong understanding of the product and testing objectives.
● Design and develop modules/components
● Participate in troubleshooting and triaging of issues with different teams to drive towards root cause identification and resolution.
Essential Skill sets
● Should have hands-on expertise and thorough understanding of Object-Oriented JavaScript.
● Experience with popular ReactJS workflows (such as Flux or Redux).
● Knowledge of integrating JavaScript apps with HTML5/CSS3 frameworks like Bootstrap,
Foundation to achieve responsive behaviour of a website.
● Familiarity with code versioning tools such as Git, SVN, Github
● Excellent verbal and written communication skills.
Desired Skill Sets:
● Full stack experience with any backend server side programming language like PHP/Java/RoR etc.
● Experience on Docker, MongoDB
● AngularJS/NodeJS, Knowledge in any JS framework, Redis will be an added advantage.
● Working experience in building pages for Responsive and Adaptive design.

We are cloud enthusiasts on a mission to help cloud engineers build their own cloud management platform without the need for coding or integrating other tools.
We are looking for an experienced UI Developer to work with us as a freelancer. You will be part of the core development team working on state-of-the-art advanced cloud-based technologies.
RESPONSIBILITIES:
- Understand and improve the user experience across the site
- Make web apps responsive and pixel perfect
- Perform unit testing and automation testing of the features developed
REQUIRED SKILLS/EXPERIENCE:
- Proficient and good experience in HTML5, CSS3, Javascript, Typescript, Bootstrap 4, React.js.
- 4-8 years of relevant working experience
- Strong understanding of Object-oriented concepts and ECMA2015 standards
- Experience in identifying and implementing page performance improvements
- Attention to detail, and ability to multitask and meet deadlines
- Passion for quality and engineering excellence at scale and code quality
- Strong communication and conflict resolution skills



