
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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React JS Developer
📍 Location: Bangalore
💼 Experience: 4+ Years
📅 Notice Period: Immediate to 30 Days
Job Summary:
Experienced React JS Developer with 4+ years of hands-on experience in building scalable, high-performance web applications. The ideal candidate should have strong expertise in modern JavaScript, React ecosystem, and front-end best practices.
Key Responsibilities:
- Develop and maintain responsive web applications using React.js
- Build reusable components and front-end libraries
- Optimize components for maximum performance across devices and browsers
- Work closely with backend developers and UI/UX designers
- Integrate REST APIs and third-party services
- Write clean, maintainable, and scalable code
- Participate in code reviews and Agile ceremonies
Required Skills:
- 4+ years of experience in front-end development
- Strong proficiency in JavaScript (ES6+)
- Hands-on experience with React.js, Redux / Context API
- Experience with HTML5, CSS3, Bootstrap / Tailwind
- Knowledge of RESTful APIs integration
- Familiarity with Git and version control systems
- Understanding of Agile/Scrum methodology
About the Role:
We are seeking a skilled and enthusiastic React.js Web Developer to join our technology team. The ideal candidate will be responsible for building high-quality user interfaces, enhancing user experience, and developing efficient web applications.
Key Responsibilities:
1. Develop responsive, interactive, and high-performing web applications using React.js, JavaScript/TypeScript, and modern front-end libraries.
2. Translate UI/UX wireframes into high-quality code and reusable components.
3. Optimize components for maximum performance across various devices and browsers.
4. Work with the team to design, structure, and maintain scalable front-end application architecture.
5. Integrate REST APIs, third-party services, and internal tools into the application.
6. Manage application state using tools such as Redux, Context API, or other state management libraries.
7. Write clean, readable, and well-documented code following best industry practices.
8. Conduct thorough debugging, troubleshooting, and performance enhancements.
9. Assist in deployment processes and ensure the application works smoothly in production.
10. Familiarity with CI/CD pipelines is an added advantage.
11. Collaborate with the team on planning, development, and code reviews.
12. Stay updated with the latest technologies and development best practices.
Required Skills & Qualifications:
- Bachelors degree in Computer Science, IT, or related field (or equivalent experience).
- 2 - 3+ years of experience in React JS development.
- Strong proficiency in JavaScript (ES6+), HTML5, CSS3.
- Hands-on experience with React Hooks, Redux, Context API, and component-based architecture.
- Good understanding of REST APIs and asynchronous request handling.
- Experience with build tools like Webpack, Babel, Vite, etc.
- Familiarity with Git/GitHub and version control workflows.
- Knowledge of responsive design and cross-browser compatibility.
- Strong problem-solving and analytical abilities.
- Ability to work independently as well as in a team environment.
- Time management skills and ability to meet deadlines.
- A positive attitude and willingness to learn new technologies.
Why Join Us?
- Competitive Salary and Professional development opportunities and training.
- Opportunity to work with cutting-edge technologies in a fast-paced environment.
- A supportive environment that encourages learning and growth.
- Collaborative team culture focused on creativity and continuous improvement.
Senior Software Engineer (Frontend)
What you will be doing:
-
Working with designers, product managers to collaboratively own the front-end layer at FalconBrick and deliver stellar end user experiences
-
Building responsive and elegant mobile and desktop web UIs
-
Test, debug and maintain the application software throughout the product lifecycle
-
Architect, develop and maintain front-end libraries
What you need
-
You love working with JavaScript and are very familiar with JavaScript design patterns and can build fairly complex UI
-
Have at least 4 years’ experience in development of responsive web/mobile applications using advanced JS and web technologies
-
And with at least 2 years of experience building frontend UI with a library or framework like ReactJS
-
You’re very comfortable in writing HTML and CSS and love designing beautiful webpages
-
You know the cost/constraints of the browser and network and are able to to improve the
performance of the product across devices.
-
Have great communication skills, strong work ethics
-
And are comfortable with agile, iterative development practices and code reviews
Preferred
-
Are familiar with and writing automation / build scripts with (Grunt/Gulp/ webpack etc)
-
Comfortable working across the full stack - Experience working with cross-functional
team with backend development using node.js/express (or similar)
-
You keep pace with the ever changing specs of cutting edge front-end technologies (e.g.
HTTP/2, WebAssembly, Service Workers)
-
Experience with leading a team doing frontend development
-
Startup Experience is a plus
What you will get:
• An opportunity to work in a fast growing a startup on a product line that’s focused offering great user experiences through amazing UX/UI design and engineering
-
A fun and casual work environment with flexible work hours
-
Competitive incentives
Experience in UX/UI designing and development.
Strong knowledge in UI/ MVC architecture.
Strong knowledge on HTML 5/ CSS3 standards.
Experience in UI Metadata Development (SASS or LESS).
Experience in Bootstrap, Material design frameworks.
Strong knowledge in Javascript and its frameworks like Jquery, React, Dojo etc.
Strong knowledge in Typescript, Ajax, JSON and XML.
Hands on experience in UI optimization best practice implementations.
Technical expertise in the design, development, coding, testing, and debugging of software.
We are looking for a React JS/React-Native developer interested in building performant and pixel-perfect web applications. You will be responsible for architecting and building these applications, as well as coordinating with the teams responsible for other layers of the product infrastructure. Building a product is a highly collaborative effort, and as such, a strong team player with a commitment to perfection is required.
Responsibilities
- Build pixel-perfect, buttery smooth UIs across both web and mobile platforms.
- Diagnose and fix bugs and performance bottlenecks for performance that feels native.
- Reach out to the open-source community to encourage and help implement mission-critical software fixes—ReactJS moves fast and often breaks things.
- Maintain code and write automated tests to ensure the product is of the highest quality.
- Build and deliver features end to end. (frontend and backend)
Skills
- Firm grasp of the JavaScript and TypeScript language and its nuances, including ES6+ syntax
- Knowledge of functional or object-oriented programming
- Ability to write well-documented, clean Javascript code
- Rock solid at working with third-party dependencies and debugging dependency conflicts
- Understanding of Firebase cloud functions, firestore and offline storage
- Experience with automated testing suites, like (Jest or Mocha)
As a Principal Web Engineer, we are on looking for a box thinker who can help us solve
real-time complex
problems. You need to help us in making our product more robust and scalable since
we are majorly working on B2B
segment. You should be a Seasoned Web Developer who has the capabilities to build
Web Apps from Scratch & work
with minimal supervision.
ROLES AND RESPONSIBILITIES
• Understand product requirements and features and translate them into technical
requirements (collaborate
• with technical product managers)
• Architect, design and develop modular and high-performing applications for
React/NextJS-based web-platform.
• Ensure code reviews are done every day by each team member and code quality is
maintained
• Work in an agile/Scrum environment to deliver high-quality software. Break down
complex projects/epics/epics/stories into achievable tasks for developers.
• Oversee work being produced by junior engineers and set suitable guidelines on
development methodologies.
• Be an approachable leader to mentor junior engineers and clarify their doubts.
• Leading a team of 7-8 developers, ensuring their growth and development, and
establishing smooth communication with them. Conduct regular one-on-ones.
• Constantly striving to improve the software development process and team
productivity.
CANDIDATE MUST HAVE
• Javascript
• React
• Design patterns Design
THE IDEAL CANDIDATE WILL HAVE
• About 7+ year's professional experience in web development.
• Must have worked in a startup, built applications individually and saw the
commercially successful scale.
• Strong understanding of Javascript, React, Design patterns and Design
Principles
• Problem Solver: Ability to thoughtfully understand and decompose large
problems to define clean plans
• with the team. You do not hesitate to ask for help and help others.
- Make good engaging user interface
- Integrate apis and make it functional
- Writing tested and documented JS, HTML and CSS
- Perform product analysis and development tasks of increasingly complex nature which may require extensive research and analysis.
- Make design and technical decisions for REACT-JS projects.
- Ensuring high performance
React Native / React JS Developer
We're looking for a React Native Developer to join our growing frontend team. As a React Developer, you will help develop the next generation of our apps using tools such as React.js, Redux, Enzyme, and Webpack. You should be familiar with React and its ecosystem.
Responsibilities
- Actively aid the consulting team in different phases of the project including problem definition, effort estimation, diagnosis, solution generation, design develop and deployment.,
- Contribute to unit-level and organizational initiatives.,
- Adherence to the organizational guidelines and processes
- Design, build and maintain efficient, reusable, and reliable codes by setting expectations and features priorities throughout the development life cycle
Requirement
- 2+ years' experience working with a Javascript framework, React Native, ReactJS, Typescript, Node JS
- In-depth understanding of Javascript, the DOM, and relevant concepts
- Must have experience in Web services, Web API, REST services, HTML, CSS3
- Proficiency with browser-based debugging and performance testing
- Identify bottlenecks and bugs, and recommend system solutions by comparing advantages and disadvantages of custom development.
- Contributing to team meetings, troubleshooting development, and production problems across multiple environments and operating platforms.
Ideally from IIT, NIT, IIIT ,top colleges or hackers with project demonstrating exceptional problem solving capability.
Note : This job is for immediate joining. Please apply ONLY IF you can join immediately.
Experience :- Junior role : 1 to 3 years/Senior : 5 to 7 Years
Industry: FinTech / BFSI
Functional Area: Core Platform Programming, Maintenance
Role Category: Programming & Design
Role: Software Developer
Employment Type: Permanent Job, Full Time
Overview:
We are looking for a passionate, talented, and motivated UI/UX Front End Angular Developer to join our team and help build out the next set of kick-ass features.
FE/UIX Developer at Konectbox, you’ll deliver high-quality technical solutions to build UI/UX using a range of different technologies. You’ll be involved in the entire product development lifecycle including the design, development, deployment and maintenance of new and existing features.
You should apply to us if you’re excited about working on the newest technologies and delivering value with a sense of ownership. If selected, you get to be a part of a small but committed group of technologists who are trying to improve how events are ticketed and marketed in India.
About the role:
- Highly skilled at front-end engineering using Object-Oriented JavaScript, various JavaScript libraries and micro frameworks (Angular, Prototype, Backbone), HTML and CSS
- Translates designs and style guides provided by the UI/UX team into functional user interfaces, ensuring
- Well versed in software engineering principles, frameworks and technologies
- Self-directed team player who thrives in a continually changing environment
- Builds mobile software applications Follows coding standards, builds appropriate unit tests, integration tests and deployment scripts
- Assists in defining architectures Collaborates with teams to explore existing systems, determines areas of complexity and learns the applications capabilities
- Owns success Takes responsibility for successful delivery of the solutions
- Communicates continually with the project teams Explains progress on the development effort
- cross browser compatibility and performance
- Contributes to continual improvement by suggesting improvements to user interface, software architecture or use of new technologies
- Nice to have :
- Complete understanding of internal code library (jquery or any other)
- Some record of contribution to any front end open source project.
Perks :
- You get to work at a fun filled atmosphere
- Have ample chances of learning leadership, mentor-ship skills
- A solid salary package along with chance to get good value of ESOPs.
Salary Range : 6 LPA to 12 LPA
(based on qualifications, experience and skills)
Key Skills : Javascript, Angular, Backbone, Prototype, HTML, CSS






