ReactJS Developer at Wissen Technology · Pune · 5 - 12 years · Profitable · Posted 24 Jun 2025

Job Title: Senior React.js Developer
Experience: 5+ Years
Location: Pune
Employment Type: Full-Time
Job Summary:
We are looking for a skilled React.js Developer with 5+ years of experience to join our team. You’ll build scalable, high-performance web and mobile applications, work closely with designers and backend developers, and ensure responsive and user-friendly UI/UX across platforms.
Key Responsibilities:
- Develop dynamic, reusable components using React.js, JavaScript, HTML5, and CSS3
- Integrate wireframes and UI/UX designs into functional front-end interfaces
- Ensure cross-browser/platform compatibility and responsive design
- Optimize apps for speed and scalability
- Implement and maintain unit and E2E tests (Jest, Playwright, Puppeteer)
- Integrate with RESTful APIs and backend services
- Maintain code quality and performance standards
- Collaborate with designers, product managers, and backend engineers
- Mentor junior developers and contribute to best practices
Required Skills:
- 5+ years in front-end/UI development
- Strong in React.js, JavaScript (ES6+), HTML5, CSS3
- Experience with Redux, SASS/LESS, REST APIs
- Familiarity with performance optimization tools
- Solid understanding of UI/UX design principles
- Excellent communication and team collaboration skills
- Bachelor’s degree in Computer Science or related field

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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model
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etc.
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- • Collaborate with developers and UI/UX engineers to build scalable web apps
- • Design, implement and manage large applications with video streaming and complex state and high-frequency data
- • Experiment with large data sets to find interesting and valuable ways to visualize the data
- • Build reusable, testable React components that can be used between projects
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- • Experience with android app development
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- • Experience with Mathjax/Latex
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Knowledge of design patterns.
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Excellent knowledge of Flexbox layout model.
Proficient with standards and features of ECMAScript 6.
Working knowledge with versioning control tools - Git, SVN.
Working knowledge with JS-based build tools like Grunt, Gulp, and Bower.
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http://www.sportzinteractive.net/">www.sportzinteractive.net
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Mandatory: Passionate about sports, Problem solving, Team player, Target & Result oriented.
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- 4 to 6 years of experience in UI Development
- Proficient understanding of JavaScript libraries and frameworks, specifically ReactJS
- Proficient understanding of Flux Architecture (Redux)
- Proficient understanding of React-Bootstrap
- Proficient understanding of Angular JS
- Proficient understanding of web markup, including HTML5, CSS3
- Experience in working on integration with Magento 2 as backend.
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- Good understanding of nodejs
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We are looking for a React.js Developer to join our team! If you are interested in creating the best user experience and UI, you will love this job!
- Plan, develop and implement user interface strategy
- Work with designers and developers to develop modern, intuitive user interfaces for our web properties
- Work on design, look, and feel of our web properties
- Continuously improve the user experience
- Research user preferences
- Research new technologies and best practices
- Work in a team environment with shared code; disciplined use of source code control and process documentation
- Improve JS and CSS quality by conducting code analysis, and recommending changes in policies and procedures
- 1+ year of experience with ReactJS, Next.js
- 1+ years of experience with SASS/LESS
- 1+ years of experience with TypeScript
- 1 years of experience with node
- 1 years of experience with HTML
- 1 years of experience with CSS
- 1 years of experience with DOM
- 1 years of experience with AJAX, AXIOS, etc
- Critical thinker and problem-solving skills
- Team player
- Good time-management skills
- Great interpersonal and communication skills
- Degree in Computer Science
Key Skills
Typescript, React, React.js, Javascript, Node










