We are looking for a great JavaScript developer who is proficient with React.js. Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux). 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. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important.
Responsibilities
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Developing new user-facing features using React.js
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Building reusable components and front-end libraries for future use
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Translating designs and wireframes into high quality code
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Optimizing components for maximum performance across a vast array of web-capable devices and browsers
Skills
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Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
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Thorough understanding of React.js and its core principles
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Experience with popular React.js workflows (such as Flux or Redux)
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Familiarity with newer specifications of EcmaScript
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Experience with data structure libraries (e.g., Immutable.js)
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Knowledge of isomorphic React is a plus
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Familiarity with RESTful APIs
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Knowledge of modern authorization mechanisms, such as JSON Web Token
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Familiarity with modern front-end build pipelines and tools

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Experience: 2-8 years
Skills:
* Hands-on experience in designing UI frameworks for large scale projects using ReactJS
* experience in UI development using ReactJS Redux, HTML5, JS, CSS
* Experience in UI/UX work flows.
* Experience in Rest APIs integration.
* Experience in responsive and adaptive web designs using media queries, bootstrap and other frameworks & grid systems.
* Experience in Git, Dockers
* Experience in SSO implementation using OAuth2 & JWT tokens
About the Role
As a Frontend Developer, you’ll be working on building responsive and interactive user interfaces that delight customers. You’ll translate design concepts into clean, efficient code and collaborate with backend developers and designers.
What We’re Looking For
- Fresh graduates or candidates with up to 2 years of experience.
- Strong logical and analytical mindset with a passion for clean UI.
- Self-motivated learners who can adapt quickly.
What You’ll Be Doing
- Develop modern, responsive web applications using HTML, CSS, and JavaScript.
- Work with libraries/frameworks like React, Angular, or Vue.
- Optimize applications for maximum speed & scalability.
- Collaborate with designers to bring ideas into functional UI.
Must-Have Skills (for candidates with ~1 year experience)
- Proficiency in JavaScript (ES6+).
- Hands-on experience in React.js/Angular/Vue.
- Ability to consume REST/GraphQL APIs.
- Version control (Git) and basic CI/CD exposure.
- Familiarity with responsive design and browser debugging tools.
Why Join Us
- Direct mentorship, hands-on exposure, and ownership opportunities.
- Be part of a team where your contributions directly improve user experience.
Perks & Benefits
- Fully remote role with flexible team culture.
- Fast-track growth, multi-role exposure in a startup ecosystem.
Work Mode & Schedule
Remote, 10 AM – 7 PM, Mon–Sat (own PC + reliable internet + availability on Zoom/Meet/Teams).
Compensation Note
Compensation will be discussed after evaluation and will reflect the candidate’s demonstrated skills and value in a startup ecosystem.
Location: Mumbai
Experience Required: 2+ Years
Job Type: Full-Time
Notice Period: Immediate Joiners
About the Role
We are seeking a skilled and experienced Front-End Developer to join our product engineering team. The ideal candidate must have experience working in a product-based software development company and should have hands-on involvement in e-commerce platform projects.
Mandatory Criteria
- Candidate must be currently working or have prior experience in a product-based software development company
- Candidate must have worked on at least one e-commerce platform project (end-to-end involvement)
Key Responsibilities
- Develop and maintain responsive, high-performance web interfaces using React.js
- Translate UI/UX designs into pixel-perfect, reusable front-end components
- Optimize components for maximum performance and cross-browser compatibility
- Integrate front-end components with backend RESTful APIs
- Collaborate with design, backend, and QA teams to deliver seamless user experiences
- Participate in code reviews, testing, and agile development ceremonies
Required Skills
- Strong proficiency in JavaScript (ES6+), React.js, HTML5, and CSS3
- Experience with state management libraries such as Redux or Zustand
- Solid understanding of responsive design and cross-browser compatibility
- Familiarity with RESTful APIs and API integration
- Knowledge of version control systems like Git
- Understanding of performance optimization, debugging, and front-end testing practices
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Experience with popular React.js workflows (such as Flux or Redux)
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Experience with data structure libraries (e.g., Immutable.js)
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Experience with standard front-end development tools such as Babel, Webpack, NPM, etc.
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Thorough understanding of React.js and its core principles
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Familiarity with RESTful APIs and backend services
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Familiarity with code versioning tools such as Git, SVN, and Mercurial
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Familiarity with modern front-end build pipelines and tools
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Knowledge of isomorphic React is a plus
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Knowledge of modern authorization mechanisms, such as JSON Web Token
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Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
Position Summary:
Frontend Developer integrates and implements front-end web applications and components. Plays a direct role in programming, maintenance, technical support, documentation, and administration of web applications. Researches, tracks, and understands emerging web technologies and standards. Uses tools, frameworks, and programming languages, including but not limited to HTML, CSS, SCSS, JS, ReactJS/Angularjs, API interactions, Webpack, Bootstrap, Git, GitLab, and Jenkins to accomplish assigned projects. Provides written design documents, test plans, and test results when required.
Responsibilities-
Must have:
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4-8 Years of experience in Software Development.
- Strong knowledge of JavaScript internals, HTML 5.0 and CSS/SCSS
- Worked with front-end frameworks such as React or Angular.
- Worked with database systems, RDBMS, Mongo, Elastic Search.
Develop shared front-end components (JavaScript & CSS) for use across all of our products, enabling other UI engineers to build better products faster.
- Basic knowledge of OOPS concepts.
- Must have knowledge of modern UX design concepts.
- Should have worked with UX designers to deliver modern featureful web applications frontends.
- OS concepts: Should have good exposure to Linux.Proficient understanding of code versioning tools (GIT).
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- Reformulating existing code to ensure adherence to stipulated guidelines.
- Ensure the best possible performance, quality, and responsiveness of applications.
- Outstanding analytical, problem-solving, and communication skills.
- Collaborating with co-workers to facilitate the creation of large, complex developments, as required.
- Should have knowledge of Backend engineering.
- Should be interested in software architectures and new developments in the software industry.
Requirements
- Education: Bachelor's degree in a technical or engineering field, or equivalent practical experience.
- You have built complex JS web applications.
- Organized, thorough, and detail-oriented.
- You care about building better products.
Skill Set # 2
- 3 – 6 years hands experience profiles
- Hands-on Experience in
- .NET Core 2.1 and above, Asp.net, WebAPI, C#
- Sql Server 2012+ /DB
- Good working knowledge in Angular 7 and above
- Ajax / J-query / Bootstrap / LINQ / HTML 5.0
- MVC / Entity Framework will be an added advantage.
Key Responsibilities
- Design, build new applications using Framework 4.0 (/latest) / .NET Core.
- Enhance applications using C#.NET, Web Services / Web API, Entity Framework / http://ado.net/">ADO.NET.
- Strong coding knowledge on developing applications using Web APIs / REST APIs.
- Hands-on development experience in building Responsive Web Design user interfaces using HTML5, CSS3
- Develop On-premise / Cloud (using Azure) hosting applications.
- Hands on experience in transactional databases, write Stored Procedures and Functions in SQL Server.
- Knowledge in full SDLC phases (Waterfall or Agile depending on the application)
- At least three years of Experience with Dot net, C#, Ajax, SQL, JavaScript, HTML, CSS
- Good written and communication skills.
- Build & maintain internal/external Web-facing applications.
- To design, develop, maintain and enhance web applications according to the specification provided.
- Create elegant web implementations.
- Design, improve and maintain website.
- Understand and enhance User Experience.
- Responsible for detailed Web UI documentation.
- Unit test client-side web applications.
- Able to complete project development on a scheduled basis.
- Possess a good attitude and be self-disciplined.
Desired Candidate's Profile :
- Dynamic, talented UI Developer who enjoys designing, developing and maintaining our product & pushing web technology to its limits.
- Ability to learn, develop and adapt is the most important attribute.
- Work Experience in TypeScript, Angular or React, Node.js.
- Good working knowledge in MVC, MVVC.
- Mastery of HTML, HTML5, CSS, CSS3, JavaScript, jQuery, jQueryUI, jQueryMobile.
- Strong understanding of UI, and usability.
- Familiarity with back-end technologies such as Node.js, MongoDB, python.
- Good knowledge of APIs such as oAuth.
- Basic knowledge of AWS.
- Minimum of 1-3 years of experience working in web and mobile-web field (Responsive design & development).
- Taking responsibility and ownership in the team's work.
Additional Requirements :
- B.Tech/BS/BE/BS/MS/M.Tech/MS in Electronics or Computer Science from a premier institute in India (IITs, BITS, NITs, etc) or abroad.
- Minimum 2- 4 years of Work Experience in Front End Development.
- Should be a fast learner and a self-starter, open to learning new tools.
- Must possess excellent communication (both verbal & written), documentation skills.
- Flexible and adaptable to change and ability to multitask.
- Ability to work with minimal supervision. Should be able to prioritize own workload to meet personal and team objectives.
- Good interpersonal skills with a clear ability to work effectively to fully understand customer requirements.
- Focused on the timely delivery of accurate results.
About UZIO Inc.
UZIO (HQ: Virginia, USA) http://www.uzio.com/">http://www.uzio.com With over 150+ partners, 1700+ employers, and 50,000+ employees relying on UZIO and 70+ health insurance carriers serving plans, UZIO provides an Integrated Benefits Administration and HCM SaaS technology platform for brokers, employers, and employees of SMBs in the United States.
Job Description
Requirements
- Must be having B. Tech. degree from Premium Institute with 4-6 years of proven experience in the relevant area.
- Proficiency in HTML5, JavaScript, and CSS, CSS preprocessors like Sass, LESS
- Hands-on experience in JavaScript frameworks. Preferably React Native / AngularJS
- Understanding of JS-based build tools like Grunt, Gulp, and Bower
- Up-to-date with the latest UI trends, techniques, and technologies
- Maintain and improve product platform, Build reusable code and libraries for future use
- Knowledge of browser compatibility issues
- Optimize application for maximum speed and scalability
- Design with mobile-first principles
- Integrate with REST apis
- Collaborate with other team members and stakeholders
- Develop technical and business requirements and always intuitive and user-centered solutions strive to deliver
- Experience working in an Agile/Scrum development process
Responsibilities
- Collaborating with product management and engineering to define and implement innovative solutions for the product direction, visuals, and experience
- Conceptualizing original ideas that bring simplicity and user friendliness to complex design roadblocks
- Establish and promote design guidelines, best practices, and standards
Kvantum is a career-changing opportunity where you will get to learn the latest and greatest marketing analytics for CPG, Retail, eCommerce, Pharma industry (to name few). At Kvantum, you will be part of a rapidly growing company. You will be able to make your mark; you’ll help write the story. You will get the chance to go above and beyond, being a hero to your clients and to your team. You will get the chance to make a big impact, applying your coding skills, domain expertise to ready the most innovative marketing science product to Fortune 1000 customers.
What you’ll be doing in your new job:
As a Front End/UI Developer at Kvantum you will be working with incredibly talented, optimistic people in an environment that fosters innovation builds trust, and frequently erupts into laughter. You are a natural developer and enjoy helping team members in coding and development. You command respect from your superiors and also from peers. In this role, you’ll demonstrate a proven track record of developing enterprise-grade web frontends using technologies such as JavaScript, Ajax, XHTML and JSON. You'll join a team of exponential application developers who are working hard to develop our next generation SaaS marketing applications.
Primary Responsibilities includes:
- Develop Proof-of-Concept and prototype applications using new technologies and frameworks. In addition to collaborating with internal teams and clients to create innovative solutions.
- Help establish GUI best practices and JavaScript frameworks for web development.
- Provide context and guidance for integration and implementation of Front-End Interfaces
- Translate wireframes, comps, and functional requirements into functional HTML/ CSS / Javascript.
- Develop standards-compliant mark-up and code for web sites and applications
- Develop JavaScript using standard Frameworks (jQuery, etc.)
- Develop small to medium size custom JavaScript libraries for reuse across the application
- Provide technology and implementation expertise to the domain, projects, or client
- Maintain leading-edge knowledge in emerging technologies and frameworks
- Participate in knowledge sharing and lessons learned sessions from project experiences
For this position, you must have:
- Expert JavaScript/HTML/CSS coding skills.
- 2-4 years of professional experience
- Minimum 2 years of relevant experience in javascript
- Minimum 1 year of relevant experience in React.js
- Hands-on experience with the implementation of different design patterns
- Proven experience of developing software using the Agile/SCRUM development methodology
- Command of web standards, CSS based design, cross-browser compatibility
- Experience to optimize the performance of the web application;
- Good understanding of page rendering, DOM manipulation, caching, REST API
- Experience of developing the application using Test-driven Development(TDD)
- Experience of working on LINUX environment
- Attention to detail, Dedication, and Problem-Solving skills.
Nice to Have:
- Working experience in any of these technologies and frameworks: D3.js, Node.js, Express.js, Elasticsearch, GraphQL, Redis
- Experience working with start-ups.
- A good learning curve for new technologies.
We provide a competitive stipend and abundant opportunity for talented people to grow faster. Our people (as we call them Kvants) know how to celebrate success (monthly team events, quarterly company events, employee awards, etc.) and work smart to achieve desired goals.
Disclaimer:
Outside Recruiters: Kvantum prefers to recruit candidates directly. We do not accept unsolicited agency resumes. Please do not contact Kvantum employees with unsolicited resumes. Any resume sent by an outside agency without an explicit signed Kvantum generated agency agreement in place will be considered unsolicited and will not be eligible for payment.








