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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Job Title: Senior React.js Developer (Immediate Joiner)
Location: Bangalore
Experience: 5+ Years
About the Role
We are looking for a skilled React Developer with 5+ years of experience to join our team immediately. The ideal candidate should have strong expertise in React.js along with a basic understanding of Angular. You will be responsible for developing user interface components and implementing them following well-known React workflows.
Key Responsibilities
- Develop and maintain responsive web applications using React.js
- Build reusable components and front-end libraries for future use
- Translate UI/UX designs into high-quality code
- Optimize applications for maximum performance across devices and browsers
- Collaborate with backend developers and cross-functional teams
- Participate in code reviews and ensure best practices are followed
- Assist in debugging and resolving technical issues
- Work on minor enhancements or support tasks in Angular-based modules (if required)
Required Skills & Qualifications
- 5+ years of hands-on experience in React.js development
- Strong proficiency in JavaScript, HTML5, CSS3
- Experience with state management libraries (Redux / Context API)
- Familiarity with RESTful APIs and integration
- Basic knowledge or exposure to Angular
- Understanding of responsive design and cross-browser compatibility
- Good problem-solving and communication skills
Preferred Skills
- Experience with TypeScript
- Knowledge of modern front-end build pipelines and tools (Webpack, Babel, etc.)
- Familiarity with version control systems like Git
Joining Requirement
- Immediate joiners or candidates with short notice period (0–15 days) preferred
Frontend Developers
- Contract To Hire (Initial Engagement: 6 months)
Experience: 5+ years
Mandatory Skills:
● React.js
● React Native
● JavaScript
● Experience in developing scalable and maintainable web and mobile applications
● Frontend architecture and reusable components
● State management
● REST API/backend service integration
● Application performance optimisation
● Authentication/authorisation and frontend security
● Git and pull-request-based development
● Clean, reusable and testable code
● Agile/product development experience
● Code reviews, debugging and production issue resolution
Good to have:
● TypeScript
● Next.js
● Jest / React Testing Library
● CI/CD
● Application monitoring
● Mobile deployment
About NonStop io Technologies:
NonStop io Technologies is a value-driven company with a strong focus on process-oriented software engineering. We specialize in Product Development and have a decade's worth of experience in building web and mobile applications across various domains. NonStop io Technologies follows core principles that guide its operations and believes in staying invested in a product's vision for the long term. We are a small but proud
group of individuals who believe in the 'givers gain' philosophy and strive to provide value in order to seek value. We are committed to and specialize in building cutting-edge technology products and serving as trusted technology partners for startups and enterprises. We pride ourselves on fostering innovation, learning, and community engagement. Join us to work on impactful projects in a collaborative and vibrant environment
Brief Description:
NonStop io is seeking a proficient React.js developer to join our front-end development team. In this position, you’ll be mainly crafting and integrating UI components through React.js methodologies and workflows like Mobx and Redux.
Responsibilities:
● Developing and implementing UI components using React.js
● Collaborating with cross-functional teams to design and ship new features
● Building reusable components and front-end libraries for future use
● Translating designs and wireframes into high-quality code
● Optimizing components for maximum performance across various web browsers
● Troubleshooting and debugging issues to ensure smooth user experiences
● Participating in code reviews to maintain code quality and consistency
● Improvement and optimization of existing codebase
● Keeping up with industry trends
● Identifying issues with technologies and architecture and then implementing solutions
● Assist with ticket creation, refinement, and estimation
● Participate in sprint planning and ticket distribution for frontend team
Qualifications & Skills:
● Proficiency in React.js and its core principles
● Strong JavaScript, TypeScript, HTML5, and CSS3 skills
● Experience with popular React.js state management libraries and approaches (such as Mobx, Redux, and Context API)
● Familiarity with RESTful APIs and integration
● Knowledge of modern authorization mechanisms, such as JSON Web Tokens
● Understanding of front-end build tools and pipelines
● Familiarity with any one of backend technologies such as Node.js, Java, or Python
● Excellent problem-solving and communication skills
● A strong attention to detail, and a passion for delivering high-quality code
● Expertise in designing scalable and efficient front-end architecture
● Adaptability to changing project requirements and priorities
● Experience with version control systems, particularly Git
● Experience working in Scrum and familiarity with Atlassian (Jira, Confluence, Bitbucket)
● Experience with diverse applications and architectural patterns
● A degree in computer science, software engineering, or a related field
● Strong understanding of object-oriented programming principles and design patterns
● Familiarity with automated testing frameworks and methodologies
● Excellent problem-solving skills and attention to detail
● Strong communication skills and ability to work effectively in a collaborative team environment
● Ready to be a tech-agnostic engineer and comfortable to shift on any tech stack
● Comfortable working with AI (Claude code, Cursor etc)
If you're passionate about technology and want to work on impactful projects, we'd love to hear from you
Responsibilities:
- Developing and implementing UI components using React.js
- Collaborating with cross-functional teams to design and ship new features
- Building reusable components and front-end libraries for future use
- Translating designs and wireframes into high-quality code
- Optimizing components for maximum performance across various web browsers
- Staying up-to-date with the latest industry trends and technologies
- Troubleshooting and debugging issues to ensure smooth user experiences
- Participating in code reviews to maintain code quality and consistency
Required React developer requirements, qualifications & skills:
- Proficiency in React.js and its core principles
- Strong JavaScript, HTML5, and CSS3 skills
- Experience with popular React.js workflows (such as Redux)
- Familiarity with RESTful APIs and integration
- Knowledge of modern authorization mechanisms, such as JSON Web Tokens
- Understanding of front-end build tools and pipelines
- Excellent problem-solving and communication skills
- A strong attention to detail, and a passion for delivering high-quality code
- Adaptability to changing project requirements and priorities
- Experience with version control systems (e.g., Git)
- A degree in computer science, software engineering, or a related field
Job Description:
https://drive.google.com/file/d/12Fcie5u0rhyHeE_xhsNTeGk3mlPId1Mb/view?usp=drive_link
NEED TO HAVE :
1) Have some knowledge of front end like React.JS
2) HTML, CSS
3) Strong in JavaScript concepts
4) Good communication skills
5) Loves to code
GOOD TO HAVE :
1) Experience with type script will be a plus
2) Experience with Nest.JS framework will be a plus
3) Strong hold on ES6 principles.
4) Familiar with TDD ( Test Driven Development ) will be a plus.
5) Familiar with working in CI / CD will be a plus
6) Micro-Service architecture knowledge will be an added benefit.
You can contact me on this WhatsApp number: Nine three one six one two zero one three two
What we need:
• Experience in both Web + Mobile development
• Strong understanding of APIs & system design
• Ability to build end-to-end features
· Maintain version control and documentation using Git / GitHub.
Roles and Responsibilities
- Design and develop responsive web applications using React.js / Next.js.
- Build and maintain scalable RESTful APIs using Node.js and Express.js.
- Implement user authentication and authorization using JWT / OAuth2.
- Manage and optimize database structures using MongoDB or MySQL.
- Integrate front-end and back-end components seamlessly for smooth user experience.
- Collaborate with UI/UX designers and product teams to deliver high-quality features.
- Participate in Agile / Scrum sprints, daily stand-ups, and code reviews.
- Optimize applications for speed, performance, and security.
- Maintain version control and documentation using Git / GitHub.
Troubleshoot and debug production issues efficiently.
Job Location- Bangalore,
Candidates from Tamil Nadu willing to relocate to Bangalore can also apply.

The recruiter has not been active on this job recently. You may apply but please expect a delayed response.
We are looking for a Full Stack Developer to produce scalable software solutions. You'll be part of a cross-functional team that's responsible for the full software development life cycle(Java with react), from conception to deployment.
- Responsible for developing software in Java, object-oriented databases, and the dotCMS platform.
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• Lead implementation of complex, high-visibility features.
• Troubleshoot and resolve complex front-end performance or technical issues.
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• Deep expertise in a modern front-end framework (React strongly preferred) and associated ecosystem.
• Strong understanding of front-end performance optimization and accessibility standards.
• Experience owning front-end architecture for a production application.
Targeted Qualifications
• 5–8 years of front-end development experience.
• Deep expertise in a modern framework (React preferred) and front-end architecture patterns.
• Experience owning performance and accessibility standards.
• Bachelor's degree in Computer Science or related field.
Preferred / Nice-to-Have
• Experience with data-dense or real-time dashboard interfaces (relevant to IoT products).
• Experience mentoring junior developers formally.
UniAbroad is a fast-growing platform helping students explore global education opportunities and connect with institutions worldwide. We aim to simplify the study abroad journey through technology-driven solutions.
Key Responsibilities
- Design, develop, and maintain web applications and platforms
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- Troubleshoot, debug, and upgrade existing systems
- Ensure performance, security, and responsiveness of applications
Required Skills
- Strong knowledge of JavaScript, Python, or Java
- Experience with React / Node.js / Django / Laravel
- Understanding of databases (MySQL, MongoDB)
- Familiarity with Git and version control
- Basic understanding of REST APIs
- Good problem-solving and analytical skills
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