
Job Summary:
We are seeking a highly skilled and hands-on UI Developer with strong expertise in React.js and JavaScript to join our front-end engineering team. The ideal candidate will have at least 5 years of experience in developing scalable, high-performance, and user-centric web applications. You will be expected to contribute immediately, owning development tasks end-to-end — from design and coding to performance tuning and deployment.
Key Responsibilities:
- Design and develop responsive, high-quality user interfaces using React.js, JavaScript, HTML5, and CSS3.
- Collaborate closely with UX designers, backend developers, and product managers to translate business requirements into technical implementations.
- Write clean, efficient, and reusable code following best practices and modern front-end standards.
- Optimize components for maximum performance and scalability across various browsers and devices.
- Participate in code reviews, ensuring adherence to coding standards and best practices.
- Troubleshoot, debug, and resolve UI-related performance or compatibility issues.
- Stay up to date with emerging front-end technologies and continuously enhance the development process.
Required Skills & Qualifications:
- Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.
- 5+ years of professional experience in front-end/UI development.
- Deep hands-on experience with React.js and core JavaScript (ES6+).
- Strong understanding of HTML5, CSS3, and modern UI frameworks/libraries.
- Experience with React hooks, state management (Redux or Context API), and component-based architecture.
- Familiarity with RESTful APIs and integration of front-end applications with backend services.
- Experience with Webpack, Babel, NPM/Yarn, and modern build tools.
- Solid understanding of version control systems (Git).
- Strong debugging and performance optimization skills.
- Ability to deliver results in a fast-paced, agile environment.
Good to Have Skills:
- Experience with TypeScript, Next.js, or React Native.
- Knowledge of testing frameworks such as Jest, Mocha, or React Testing Library.
- Familiarity with CI/CD pipelines and DevOps tools.
- Understanding of UI/UX design principles and ability to collaborate effectively with designers.
- Exposure to cloud environments (AWS, Azure, or GCP).
- Experience in performance profiling and accessibility (a11y) best practices

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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A very challenging role with opportunities to work on new technologies and application. Only those who challenge themselves and ever willing to learn
Key Responsibilities:
- Must be proficient in Angular V18 and have working knowledge of React.js.
- Candidate should have good exposure in developing modern web applications.
- Strong proficiency in JavaScript / TypeScript, HTML5, CSS3, and Angular Material.
- Good knowledge of integrating external REST APIs for application integration.
- Good understanding of AJAX, JavaScript DOM manipulation, and Responsive Design.
- Proven debugging and troubleshooting skills.
- Designing and developing user interfaces using Angular and React best practices.
- Experience with Git version control.
- Extensive experience with Angular framework, its best practices, and commonly used modules.
- Ability to maintain clean, scalable, and consistent project dependencies.
- Build reusable, testable, and efficient code.
- Work on bug fixes and improve application performance.
- Optimize applications for maximum speed and scalability.
- Exposure to rapid AI development and prototyping tools such as Replit, Lovable, or similar AI-assisted development platforms.
Key Skills
- Angular
- React.js
- JavaScript / TypeScript
- HTML5
- CSS3
- Angular Material
- REST API Integration
- Git
- AI Prototyping Tools (Replit, Lovable, etc.)
About the Role
We are seeking an experienced Senior React Web Developer to join our product development team. As a Senior React Web Developer, you will be responsible for developing and maintaining our web applications using ReactJS and Material UI. You will work closely with other developers, designers, product managers, and stakeholders to create high-quality, user-friendly, and scalable software.
Key Responsibilities:
● Design and develop high-quality, responsive, and user-friendly web applications using ReactJS and Material UI.
● Collaborate with product managers, designers, and stakeholders to ensure the project meets the business requirements and user needs.
● Write clean, maintainable, and efficient code.
● Optimize the application for maximum speed, scalability, and usability.
● Develop reusable UI components and libraries.
● Ensure the technical feasibility of UI/UX designs.
● Identify and troubleshoot bugs and issues.
● Stay up-to-date with the latest trends and technologies in ReactJS, Material UI, and front-end development.
● Participate in code reviews and contribute to the development of best practices.
● Mentor and guide junior developers in the team.
Requirements:
● Bachelor’s degree in computer science or related field.
● At least 7 years of experience in front-end development, with at least 4 years of experience in ReactJS and Material UI.
● Strong proficiency in JavaScript, CSS, HTML, and related web technologies.
● Experience with Redux, Redux Saga, and other state management libraries.
● Experience with building scalable and complex web applications.
● Strong problem-solving skills and attention to detail.
● Experience with Agile development methodologies.
● Strong communication and collaboration skills.
● Experience with Git and version control.
● Ability to work independently and as part of a team.
Preferred:
● Experience with GraphQL and Apollo Client.
● Experience with server-side rendering using Next.js.
● Experience with AWS or other cloud providers.
● Experience with CI/CD pipelines and automation.
● Experience with testing frameworks like Jest, Enzyme, or Detox.
● Experience with UX/UI design and prototyping tools.
Responsibilities
- Developing new user-facing features using React.js
- Building reusable components and front-end libraries for future use
- Translating designs and wireframes into high-quality code
- Optimizing components for maximum performance across a vast array of web-capable devices and browsers
Skills:
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- Good Experience in Next.js
- 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)
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
technologies namely Blockchain, Machine Learning & Artificial Intelligence, Complex mobile & Web
Apps, IoT, etc.Rejolut is a venture-backed company with clients in over several countries namely
Malaysia Airlines,gba global,my-earth,biomes, Dlg-hub,etc.
We are looking for Tech geeks having hands-on experience and in love with building scalable, distributed and large web/mobile products and tech solutions. He/She must be an excellent problem solver with passion to self-learn and implement web technologies (frontend + backend). He/She would be responsible for the architecture design, code review, and technology build and deployment activities of the product.
Required Skills:-
Knowledge of JavaScript
Experience with web development using HTML, JavaScript ,Jquery, CSS 3.
Experience building Responsive Design layouts using a formal framework like BootStrap
Familiar with best practices (ensuring browser & device compatibility, etc.)
Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS
Understanding of asynchronous request handling, partial page updates, and AJAX
Basic understanding of web development and hands-on integration experience
Clean coding style with clear separating of UI and functionality.
Building reusable components and front-end libraries for future use
Rejolut - As a Career Differentiator
- We are a young and dynamic team who are obsessed with solving futuristic and evolutionary business problems at scale with the next generation technology like blockchain, crypto and machine learning. Focuses on empowering people across the globe to be technically efficient, making advancements in technology and providing new capabilities that were previously thought impossible.
- We provide exposure to higher learning opportunities so that you can work on complex and cutting edge technology like React, React Native, Flutter, NodeJS, Python, Go, Svelte, WebAssembly. Strong expertise in blockchain and crypto technology and working with the networks like Hedera Hashgraph, Tezos, BlockApps, Algorand, Cardano.
- We maintain high end transparency with clients and employees as visibility unlocks Efficiency and trust unlocks Visibility.
- Company is backed by two technology Co-founders, well-versed with consumer applications and their work has been downloaded millions of times and have led teams in leadership positions in companies like Samsung, Purplle, Loylty Rewardz.
Benefits :
> Health Insurance
> Fast growth and more visibility into the company
> Experience to work on the latest technology
> Competitive Learning Environment with supportive co-workers
> Employee friendly HR Policies
> Paid leaves up to certain limits
> Competitive salaries & Bonuses
> Liberal working atmosphere
> Get mentored by the best in the industry
Schedule:
Day Shift/Flexible working hours
Monday to Friday
Job Description for React Developer ( Senior Role)
Skill : API Integration, Material UI, Redux,React Hooks, React Nagivation, HTML/CSS
Experience - 3+
Location- Vikhroli, Mumbai
Working - 5 days a week
Technical and Professional Requirements:
Highly motivated, a responsible, passionate, self-learner individual with great interpersonal
React developers should have the ability to translate Wireframes and PSD Designs into functional
Knowledge of use-case scenarios of error-boundary, hooks, store/state management solutions
Binding of UI elements to JavaScript object models
Integration of RESTful services with React application
React developer must have proven experience in front-end development
Work in a cross-functional team to deliver a complete user experience
React developers must know application structuring and maintenance of an application
Create Unit and Integration tests to ensure the quality of code
We are looking for a UI Developer to join our team! Headquartered in New York, LodgIQ delivers a revolutionary SaaS platform for Algorithmic Pricing and Revenue Management for the hospitality industry by incorporating machine learning and artificial intelligence. For more information, visit http://www.lodgiq.com">http://www.lodgiq.com
Backed by Highgate Ventures and Trilantic Capital Partners, LodgIQ is a well-funded company, seeking for a motivated and entrepreneurial UI Developer to join its Product/ Engineering team in India. Qualified A+ candidates will be offered an excellent compensation and benefit package.
Requirements:
- In-depth knowledge of HTML/Javascript/React.JS
- Strong flair for UI and UX
- Understanding of Web Application architectures e.g. Django/Flask
- Familiarity with Cloud Environments (AWS, EC2, S3, IAM)
- Working knowledge of NoSQL databases such as MongoDB
- Proficiency in consuming and developing REST APIs with JSON data
Specific Job Knowledge, Skills & Abilities:
- Real world experience with large-scale data on AWS or similar platform
- Must be a self-starter and an effective data wrangler
- Intellectual curiosity and strong desire to learn new Big Data and Machine Learning technologies
- Deadline driven, and capable of delivering projects on time under a fast paced, high growth environment
- Willingness to work with unstructured and messy data
- Bachelor’s degree or Masters degree in relevant quantitative fields.

- Work with creative and business partners to understand, build, and adjust web application functionality and visual presentation to support business goals
- Develop reusable, maintainable, accessible cross-platform HTML, CSS, and JavaScript for front end web application components while adhering to web and team standards
- Working in an AT/CI/CD paradigm develops with testing in mind; authors unit tests to provide sufficient testing coverage for each developed component
- Identifies opportunities to optimize and improve front end performance
- Remain curious and current with new developments in front end web development industry
Qualifications
- 0-2 years of practical front-end web development experience in writing and testing valid, web standards-based HTML, CSS, JS
- Understanding of basics of computer science such as Object-Oriented Programming, Data Structures, Development Patterns
- Good experience in front end development with both technical and visual expertise
- Some exposure to agile methodologies and supporting practices, tools, and technology
- Comfortable learning new technologies, tools, development/CI/CD processes, and best practices
- Ability to collaborate effectively with teams across different locations
- Possess effective verbal communication, writing, and presentation skills
- Analytical thinker with attention to detail
- E-commerce experience is a plus
- Knowledge of WCAG 2.0 AA is a plus
- Experience with react framework a plus
- Bachelor’s degree or equivalent relevant experience
Roles , Responsibilities& Skills :-
- Proficiency in js, deep knowledge of SQL and NoSQL databases.
- Knowledge of ElasticSearch is a plus.
- Design, build and maintain high performance, reusable system applying best Engineering practices.
- Experience in building and consuming REST API.
- Work with Agile methodology
- Go getter attitude with delivery mindset.
- Strong communication skills across the board, with a passion for finding and sharing best practices and driving greater discipline.
- Team player
- Ability to multi-task and work in fast paced environment
- Quality focus.
UI experience
- Angular Version 7+ or React experience
- Knowledge of CSS/design frameworks
- Ability to coordinate and implement UX designs.
Appletree International Pvt. Ltd., is a leading hospitality management company
founded by industry experts and experienced professionals. We aim to build an
international platform connecting the complete individual lifecycle from discovery,
consulting to lifetime engagement.
Position : React Js Developer
Location : Mumbai
Experience : 2 to 6 years
Job Description
● Strong proficiency in HTML, CSS and 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)
● 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
Your primary focus will be on developing user interface components and
implementing them following well-known React.js workflows (such as Flux or Redux).










