

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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Roles and Responsibilities
• Plan, architect, integrate, and develop back-end and database driven features using the Python language and frameworks (Django, Flask, Tornado)
• Experience on Micro service architecture
• Strong knowledge on Web services/API
• Strong Knowledge on AWS/Azure, Docker, etc..
• Having great knowledge on software development methodologies, languages, technologies, security threats, etc.
• Create decoupled, interactive web UIs using JavaScript (Angular, Ember, jQuery, React Js)
• Provide technical advise and recommendations for language and software choices
• Develop code that is cross-browser and cross-platform friendly
• Collaborate with project stakeholders to ensure all requirements are met
• Evaluate technologies and manage technical planning
• Support and ongoing development for existing projects
• Provide clean code and proper documentation for each project
• Assists in resolving moderately complex production support problems
• Strong writing and speaking skills (English)
Technical Requirements:
• At least 4+ years experience developing and deploying websites and applications
• Experience with Django
• Experience with Agile/SCRUM practices
• Hands on experience on database like PostgreSQL,MySQL, Mongo db, etc.
• Custom web based application development experience
• Comfortable collaborating with designers, front-end developers and other team members
• Object-oriented design and development strategies

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)

● B.Tech/M.Tech degree in Computer Science, Engineering or a related subject
● Proven hands-on Software Development experience
● Strong proficiency in JavaScript and the JavaScript object model is a must.
● Thorough understanding of React.js and its core principles
● Prior experience with popular React.js workflows (such as Flux or Redux)
● Familiarity with RESTful APIs
● Familiarity with HTML / HTML5 CSS/CSS3/ Bootstrap
● Mobile app development experience with Flutter/Dart is a big plus; or willingness to learn these technologies.
● Experience with MySQL is a plus.
● Preferably prior experience in working in a start-up.

Role : React JS Developer
- 3-5 years of experience as a React JS developer.
- Must have Working Experience in a product based organization at least 18 months.
- Good Communication skills must.
- 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
- Experience with HTML,CSS, Bootstrap and UI Design
- Knowledge of 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
- Familiarity with code versioning tools {such as Git}


- Bachelor’s Degree in Computer Science or related field
- 3-5 years’ web development experience required
- Experience on React js , Angular js and Vue js.
- Proficiency with AngularJS an asset
- Strong knowledge of web development tools and programming languages

Position Frontend Developer
Experience 2 - 4 Years
Location Gachibowli, Hyderabad
At Nspira CBD’s Technology team, we're looking for a client-side JS developer to join our
growing frontend team. As the client-side developer, you will help develop the next
generation education app using tools such as React.js, jQuery and similar. You will ensure that
these components and the overall application are robust and easy to maintain. You will
coordinate with the rest of the team working on different layers of the infrastructure. We're
looking for someone who is comfortable with a fast-moving environment and can learn
quickly.
Our Client Focus: Ed-tech digital apps covering multiple stakeholders that include but not
limited to students, parents, teachers, principals and other admin staff etc.
How You’ll Grow
At Nspira CBD, we’ve dedicated a great deal of time to create a rich environment in which our
professionals can nurture and grow. We want our team to develop in its own way, playing
according to their own strengths as they hone their leadership skills. As a part of our efforts,
we provide exposure to challenging assignments—to help accelerate their careers along the
way.
Nspira CBD’s Culture
Our dynamic culture allows people to do their best every day. Our culture is an amalgamation
of start-up and established firm’s culture, giving the employee a unique experience to thrive
in today’s dynamic and volatile work scenario.
Work You Will Do
Nspira CBD offering works with clients from education industry to help them enable digital
penetration through our various digital business solutions such as nLearn, nConnect, nGuide
to name a few that create large scale impact. You will get to work with a customer base of
approximately 1 lakh active users of our flagship digital product - nLearn. Approximately 3.3
lakh questions were attempted by students on the nLearn platform and 4.7 lakh tests for IITJEE
preparation were taken. nGuide user base is spread across approximately 300 schools, 2,500
classrooms impacting approximately 2 lakh students.
Your work will entail the following:
What you’ll do?
1. Develop new components and features for our frontend app(s)
2. Building reusable components and front-end libraries for future use
3. Translating designs and wireframes into high quality code
4. Optimising components for maximum performance across a vast array of web-capable
devices and browsers
5. Document and refactor our frontend codebase
6. Profile and improve our frontend performance
7. Write about your work and contribute back to open source
Desired Experience
While these requirements are a guideline, feel free to apply even if you don't meet some of
these.
1. Experience working with a Java Script framework.
2. In-depth understanding of Java Script, the DOM, and relevant concepts
3. Proficiency with browser-based debugging and performance testing
4. Thorough understanding of React.js etc., (Redux) and its core principles
5. Familiarity with newer specifications of ECMA Script
6. Familiarity with RESTful APIs
7. Ability to understand business requirements and translate them into technical
requirements
8. Familiarity with code versioning tools such as Git, SVN, and Mercurial
Required Qualifications
• Bachelors – B.tech/BE or Master

We are on a mission to help e-learning companies and L&D leaders in enterprises to deliver engaging video experience to their end users and customers. VideoKen’s patented AI-powered video discovery, indexing, engagement and analytics platform is used by 30+ customers across the world including marquee brands like Bosch, Oracle, Accenture, TCS, Upgrad, Kaplan Test Prep etc.,
**WE BELIEVE IN**
Enabling better learning outcomes: Video interactivity and analytics powered by VideoKen delivers better learning outcomes for our customers, enabling them to expand their business.
Building a large profitable business: We envision building a large profitable business to achieve our mission of democratizing quality learning experiences.
Innovative culture with personal growth: We have a culture of innovation, and pay attention to each team member’s individual growth. VideoKen’s technology is covered by 8 US granted patents and several pending patent applications.
**OUR IMPACT SO FAR**
* 3 millions minutes of videos processed.
* 7 million minutes of videos delightfully experienced with the VideoKen AI player.
* 1.5K+ websites embedded with videos powered by VideoKen.
* Top AI conferences such as NeurIPS, ICML, ICLR, etc. use VideoKen for discovery and deep search.
**WHAT AN IDEAL CANDIDATE WOULD LOOK LIKE: **
* 5+ years of working on JavaScript/HTML/CSS
* Good understanding of modern JavaScript features like ES Modules, Promises, Async/Await, Symbols, Generators, Iterators, Microtasks etc.
* Experienced with a web framework like React or Vue
* Good understanding of DOM and modern Web APIs
* Good understanding of browser rendering pipeline and performance optimizations
* Familiarity with front-end build tools, like Webpack or Rollup
* Good understanding of CI/CD processes
* Experience working with NodeJS
* Good knowledge and understanding of data structure and algorithms
* Previous work experience at a product-based company or startup would be a bonus.
PERSONALITY TRAITS WE REALLY ADMIRE
* Great attitude to ask questions, learn, and suggest process improvements.
* Pays great attention to detail and helps identify edge cases.
* Gives equal importance to planning, coding, code reviews, documentation, and testing.
* Highly motivated and coming up with fresh ideas and perspectives to help us move towards our goals faster.
* Follows release cycles and absolute commitment to deadlines.
Our tech stack is Django framework (python), ReactJS, VueJS, PostgreSQL, Redis, COSMOS DB, and Elasticsearch.
**WHY JOIN US **
Freedom and Responsibility: If you are a person who wants to take up challenging work and push your boundaries with no one monitoring you, then this is the right place for you. There are no hierarchies. No managers to please.
Great Salary and Equity: For our top performers and leaders, we grant stock options. As VideoKen continues to grow, you’ll have a real opportunity to create wealth for yourself and your family. We pay industry competitive salaries too!
Holistic Growth and Flexible work schedule: Building a career doesn’t have to be at the cost of missing out on your personal front. We have flexible timings, work from home, and leave policy.
Transparency: If you ever wanted to know what it’s like to be on an entrepreneurial journey, then working with VideoKen gives you that opportunity to experience it from the front seat.


1-3 years experience in Javascript Development
Extensive technical experience and development expertise in Javascript
Experience in working with REST API
Experience in any Javascript framework like Angular or React
Possess advanced knowledge of object-oriented design and development(OOA/OOD) and data architectures.
Experience working with and applying Design patterns to solve problems.
Demonstrate strong written and oral communication skills.
Hands on Coder Knowledge of any back end technology is a plus
Knowledge of Mobile Application is a plus (Android, IOS)
Candidate should be able to join in 1 month or less
Benefits
Flexible work timings,
Good team to work with

