

· 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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As a Senior Software Development Engineer, you will drive the responsibility of developing features for our existing products and bring new innovations to the table. You will work with the latest tools and frameworks, crafting seamless user experiences that drive productivity and innovation. The ideal candidate is an enthusiastic go-getter, problem solver, and works with “there is always a “solution' attitude, combined with empathy and strong communication.
What You Will Do in This Role
- Building and developing new software features for our JustCall product.
- Working through the design, implementation, integration, testing, and deployment phases of project delivery.
- Provide software design and programming expertise to support research projects.
- Collaborating with cross-functional teams - Experimenting and reiterating on software basis feedback from customers/product & business stakeholders.
- Designing and developing new fast and robust algorithms to ensure that the platform supports millions of communications exchanges every month.
- Working with our engineering team to deploy and maintain research models in the production.
- Collaborating with the product and design teams on crafting great user experiences.
What you need to be successful
- 3-7 years of experience in ReactJS (not native), JavaScript, HTML5, and CSS3.
- Experience in designing and building systems for maximum performance, reliability, and scalability
- Experience in working with object-oriented programming with least one object-oriented programming language and understanding of browser caching.
- Experience with seamless integration of front-end to backend functionality.
- Knowledge of high-level programming concepts like promises, and data-binding.
- Ability to design relational database schema at scale with Tailwind experience, including concepts like layout, specificity, cross-browser compatibility, and accessibility.
- Proficient understanding of code versioning tools, such as Git.
- Experience with test-driven/behavior-driven development using automated testing tools.
Benefits and Perks
- Enjoy a 5-day work week with the flexibility to work from home 2 days a week.
- Take advantage of flexible holidays, allowing you to plan your vacations according to your needs.
- Celebrate collective success with frequent recognition of our team's efforts.
- Collaborate with a truly global team, spanning six countries.
SaaS Labs is a diverse international team of passionate problem solvers. With innovation, experimentation, and customer obsession at the heart of their ethos, the company has been honored with 30+ innovation awards including the coveted Deloitte Technology Fast 50 and FT High Growth Companies (Asia Pacific). We are an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We would love to work with you. Apply now!


We're hiring for technology company, reinventing hotel operations by seamlessly combining operations with labor management and compliance at the property level and across multiple properties, all in a single SaaS solution. We incorporate the latest technology, including IoT and AI, to evolve hotels into smart properties, enabling hotel owners, managers, and management companies across the US to better connect, collaborate, and document across roles and teams, increasing efficiency, effectiveness, and visibility into what is happening at their properties.
The Opportunity
- We are looking for a seasoned full-stack engineer to build out and manage our entire web infrastructure. Minimum of three years’ recent experience with all of the skills listed below.
- Design and implementation of the overall web architecture.
- Implementation of “Pixel-perfect” screens from our approved user interface.
- Ensuring the entire stack is designed and built for speed and scalability.
- Design and construction of our REST API.
- Hands-on experience working with RDBMS and Document databases
- Exposure to graphql is an added advantage.
- Integrating our front-end UI with the API developed.
- Design and implementation of continuous integration and deployment.
- Delivering on-time with quality.
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.
Nice-to-have:
- Familiarity with cloud-based infrastructure (AWS)
- Familiarity with containerization (Docker)
- Upgraded an application from Webpack 4 to Webpack 5 for local development & production build
- Hands-on experience in converting JavaScript applications into Typescript


• Define and maintain architecture roadmap, technical solutions for new and
existing functionality for each part of the projects.
• Take ownership over architecture qualities of front-end applications (e.g.
usability, accessibility, performance, etc.).
• Work with FE engineers to generate and maintain code according to the
agreed coding standard and best practices.
• Bring a passion to remain up-to-date with the latest trend of ever-changing
web front-end development and build quick Proof of Concept functionalities to
address future business needs.
• Work to meet delivery commitments of feature content throughout the whole
Software Delivery Lifecycle (SDLC).
• Preparing technical documentation.
Requirements:
• Bachelor’s degree, Master or Engineering in computer science field or other
relevant degree.
• 5+ years of Experience using Angular and React JavaScript frameworks
• 2+ years of professional experience as an Architect / Lead in projects with
heavy use of modern frontend technologies
• Familiarity (typical everyday usage scenarios) with modern JavaScript
development toolset (build tools, packaging, linting, transpilers).
• Help teams with helping with defining an architecture that would scale and
encourage best practices.
• Create frameworks and abstractions that are reliable, reusable and avoid
surprising outcomes.
• Have detailed hands-on experience of cutting-edge web technologies (HTML5,
CSS, JavaScript, TypeScript), Application Servers, Web Applications
• Constantly develop and deliver new features with consistent unit test coverage
• Understanding of cross-browser issues and experience working with webRTC
or any other streaming protocols
• Good knowledge of package managers like Npm, Bower, SVGs to build
complex graphs and Design Patterns.
• Experience working in an Agile/Scrum development process.
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)

Requirements:
You have designed, refactored, re-architected, deprecated and/or implemented a webapp from start to finish.
CSS and its pre-processors like SASS/LESS.
Excellent command over web fundamentals
Good understanding and experience in building a React app.
Exceptional coding skills in HTML5, CSS3, Javascript/ES6
Strong problem-solving and analytical skills
Familiarity with benchmarking and optimization techniques
Eye for animation and understanding of motion principles.
Experience with Agile Development, SCRUM methodologies
Experience in DevOps - AWS, S3, API Gateway, CI/CD
Native development experience in React Native (Android and iOS)
Experience in NodeJs
Additional Full-stack Skills Would Be a Huge Bonus:
Experience with Mongo DB, Redis, Firebase, NodeJs and its framework/ libraries like Express.
Experience with PostgreSQL.
Experience in NoSQL (CouchDB, Cloudant, MongoDB) datastores.
Experience in building (secure) RESTful services and MVC patterns.
Experience in coding & hosting on GitHub.
Desired Skills and Experience
CSS,JavaScript,React.js

Skills Required:
" Experienced with front end programming language with React JS.
" 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).
" Knowledge of modern authorization mechanisms, such as JSON Web Token.
" Familiarity with modern front-end build pipelines and tools.
" Familiarity with code versioning tools (such as Git, SVN, and Mercurial).
" Candidates with Good communication Skills.

Job Responsibilities :
- Develop user interface components and implement them using well-known React workflows & best-practices. Build reusable components and front-end libraries for future use.
- Take complete ownership of features, break it down to smaller tasks, identify blockers and find solutions for them; collaborate with other cross-functional teams to deliver the feature on time.
- Create responsive layouts for different mobile screens and desktops with search friendly markup
- Translating visual designs and product wireframes into high quality code
Requirements:
- Min 2+ years of experience in developing modern consumer facing web applications using React and Redux
- Should be aware of latest React patterns and know how to leverage react hooks, functional components and higher order components
- Strong proficiency in CSS, JavaScript, including DOM manipulation
- Must know basics of web technology
- Tech skills needed: React, Typescript, Javascript, HTML, CSS, Redux
- Deep understanding of JavaScript and Angular Framework
- Understanding of Git and pull requests
- Clear written and spoken communication skills
- Excellent analytical skills
- 2+ years in web development using Angular


Job Description
- Expertise in Javascript, JQuery, W3 CSS, CSS3, HTML5
- Deep understanding of client-side, frameworks such as React.js, Redux & Hooks
- Performance optimization techniques for the web and mobile web
- Expertise in Integrating and maintaining RESTful Web-Services
- Good understanding of AJAX, asynchronous request handling, partial page updates
- Good understanding of Virtual DOM, Data structure, and data manipulation
- Deep understanding of UX principles & building GUI
- Basic knowledge of version control system like Git / Mercurial / Bitbucket
- Writes clean, readable, and maintainable code
Industry:
Retail / E-commerce Functional
Area: IT Software - eCommerce, Internet Technologies Role Category: Programming & Design
Role: Application Programmer
Employment Type: Permanent Job,


