
· 7+ years of professional experience in front-end development.
· 5+ years of hands-on experience with React.js and its ecosystem (Redux, Context API, Hooks, etc.)
· 3+ Years Exp as Lead
· 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
Similar jobs
Role Overview:
The Frontend Development Intern will help build and refine the UI components for CopilotGTM, especially focusing on interfaces for proposal generation and customer-facing tools.
Key Responsibilities:
- Collaborate with the design and product teams to create user-friendly interfaces.
- Assist in developing UI components for proposal creation and sales tool integration.
- Conduct usability testing and incorporate feedback to improve user experience.
- Debug and troubleshoot frontend issues to ensure a smooth user experience.
Skills Required:
- Proficiency in HTML, CSS, JavaScript, and frontend frameworks like React.
- Understanding of UI/UX principles and responsive design.
- Familiarity with version control (Git).
Preferred:
- Experience with design tools like Figma or Sketch.
- Knowledge of backend APIs and integration workflows.
Minimum Years of Experience: 3+
Years Experience working with React: At least 2 years on live project
Advanced knowledge in React.
• Have a seasoned understanding of the business and industry environment
• Demonstrates exceptional initiative, creativity, and innovation skills
• Independently applies a variety of complex methods/skills with significant autonomy
• Develops novel, customized solutions
• Introduces "state-of-the-art" concepts to develop back-end solutions
• Identifies ways to increase the effectiveness of onboarding
Required Qualifications
• Minimum Years of Experience: 4-6
• Years development Experience using HTML, CSS, and JavaScript:
3•Years' Experience working with Node.js:
1Years working collaboratively with other team members: 3
• Experience supporting sites on different browsers, operating systems, and devices
• Strong working knowledge of Atlassian Stack•
• Strong working knowledge of agile methodologies
• Strong working knowledge of using Git as version control with a team
• Ability to work effectively with diverse teams in diverse locations
Preferred Qualifications
· • Education: BA/BS/Bachelor's Degree or equivalent training/experience
· • Minimum Years of Experience: 3+
· • Years Experience working with React: At least 2 years on live project
Skills Required:
- Deep understanding of React.js and its fundamentals, ideally including modern features like hooks
- Excellent understanding of TypeScript/Javascript including the OOP concept and how shadow DOM and DOM work
- Experience with widely used React.js state managers like Flux/Redux
- Knowledge of RESTful APIs
- Familiarity with modern front-end build pipelines and tools like Webpack, Babel, NPM etc
- Knowledge of the overall browser rendering behaviour and measuring and optimising performance
- Strong hands-on experience with source code management systems like Git
As the lead for the frontend development team at Mosaic, you will be the sole owner of the
entire FE development cycle for our consumer facing web products in ReactJS. Also, you will
be responsible for shaping up the entire system for scale and collaborating intensively with the
backend and design teams to create the best consumer experiences. You would also need to
control the mobile app development lifecycle on ReactNative.
Responsibilities
- Overlook development of all user-facing products in React
- Build reusable components and front-end libraries for future use
- Translate designs and wireframes into high quality code
- Optimize components for maximum performance across a vast array of web-capable
devices and browsers
- Focus on code maintainability and performance of application
- Provide technical advice and assists in solving programming problems
- Use Server Side Rendering when applicable
- Enhance SEO, Analytics and overall frontend architecture for better performance
Requirements
- 4+ years of experience building frontend for consumer facing products
- 2+ years on ReactJS for consumer facing products
- 1+ years of Team Lead/Management experience
- Thorough understanding of architecting the frontend system with Server Side Rendering
- Good foundation in design and a knack for designing interactions and elegant interfaces
- Understands app development cycle
- Experience with NodeJS for Server Side Rendering/coordinating with the backend team
for API requirements
- Must come up with caching solutions where required to speed up the website load speed
and improve customer experience
Looking for Senior Front End React JS Developer responsible for development and maintenance of complex business system. Passionate to be part of young and fast paced growing high-end Tech start up
Roles and Responsibilities:
- Meeting with the development team to discuss user interface ideas and applications.
- Reviewing application requirements and interface designs.
- Identifying web-based user interactions.
- Developing and implementing highly responsive user interface components using React concepts.
- Writing application interface codes using JavaScript following React.js workflows.
- Troubleshooting interface software and debugging application codes.
- Developing and implementing front-end architecture to support user interface concepts.
- Monitoring and improving front-end performance.
- Documenting application changes and developing updates.
Behavior:
- Takes ownership in leading the work & result oriented to see through delivery commitment
- Innovation / Continuous improvement
- Teamwork & Collaboration
- Positive attitude & Role Model
- Customer Focus
- Effective Communication
- Establish guidelines/best practices
- Stake holder management
Qualifications:
- B.Tech/M.Tech/MCA/Msc. (Computers)
- 3+ years relevant experience
Technical Skills:
- Experience developing front end web applications using React.JS
- Experience working with React.JS components
- Hands-on experience with state management using Redux.
- Experience building responsive web applications
- Tech skills - JavaScript, jQuery, CSS3, HTML5, Bootstrap
- Comfortable with integrating RESTful APIs.
- Experience solving cross browser compatibility issues
- Knowledge of good design practices and website architecture
- Very strong quantitative and analytical skills
- Experience with Native iOS and Android app development a plus
- Knowledge of ASP.NET MVC would be nice
A new-age fintech app that powers group payments for millennials. We’re on a mission to reimagine group payments and enable people to enjoy with their friends without any worry of awkward reminders, delayed payments and multiple transactions.
Founded by IIT Bombay grads with a total work experience of 10+ years in fintech and we are backed by global VC investors including Y Combinator, Matrix Partners, Justin Mateen (Co-founder, Tinder) with a funding of $1.9M.
We are on the lookout for passionate individuals who want to want to be a part of the core team and drive the next phase of cutting-edge fintech innovation.
Role and Requirements
- Frontend developer with skills in React Native to help construct the front-end of our consumer-facing group payments application
- Good familiarity with most of the React Native built-in and popular third party frameworks, libraries, and accelerators; with in-depth expertise on most of the popular ones
- Solid understanding of JavaScript framework and RESTful APIs
- Role requires extensive collaboration with UI/UX Designers and Product Managers to ensure technical feasibility & implementation
- Experience with AWS and/or Node.js is a bonus
- Prior consumer tech or fintech startup experience is a plus
- Work experience: 2 years plus is preferred
- Location: Work from home until further notice but eventually in Andheri East, Mumbai
What you will do
- Build some of the most crucial infrastructure using web and Android technologies for both internal and external users
- Gather feedback from users for fast iteration of products
- Take ownership of features and products
- Grasp new technologies at extremely fast pace
About You
- Solid fundamentals in computer engineering/science
- Proficient in one or both of Android and web Javascript development
- Bonus: UI/UX skills
- Clean, robust and maintainable code style
- Relentless work ethic
- Strong moral fiber
- Exceptional cognitive abilities
- Proven and verifiable track record of excellence in fields other than just academics
- Embrace responsibility and leadership through accountability
- Good English speaker, reader and writer
- Winner
If you are interested, we have a little brain teaser. Send us a message introducing yourself and we will share the brain teaser.








