Senior UI Developer /UI lead

Senior FrontEnd Software Engineer

The ideal candidate will have a strong background in building scalable web applications, a deep understanding of both front-end technologies, and experience with cloud infrastructure. As a Front-end Engineer, you will be responsible for designing, developing, and maintaining a workflow management system. You will work closely with cross-functional teams to build robust and efficient applications that meet the needs of our users. Your expertise in ReactJS, MUI and API Integrations with the backend will be crucial in ensuring our system is intuitive, user-friendly, reliable and performant.

Key Responsibilities:

Develop and Maintain Front-End Components:

• Design, develop, and optimize user interfaces using React and ReactJS.
• Ensure a seamless and responsive user experience.
• Collaborate with the design team to implement best practices in UI/UX design. Cloud Integration:
• Deploy, manage, and monitor applications on Google Cloud Platform (GCP).
• Utilize GCP services to enhance application performance and scalability.
• Implement cloud-based solutions for data storage, processing, and analytics. Collaboration and Communication:
• Work closely with cross-functional teams to define, design, and ship new features.
• Participate in code reviews and contribute to sharing team knowledge.
• Document development processes, coding standards, and project requirements.

Qualifications:

• Educational Background:
• Completed a master's/bachelor's degree in Computer Science, Engineering, or a related field.
• Technical Skills:
• Proficiency in JavaScript.
• Strong experience with React, ReactJS and MUI.
• Familiarity with Google Cloud Platform (GCP) and its services.
• Knowledge of front-end development tools and best practices.
• Understanding of RESTful API design and implementation.
• Soft Skills:
• Excellent problem-solving skills and attention to detail.
• Strong communication and collaboration abilities.
• Eagerness to learn and adapt to new technologies and challenges.

Preferred Qualifications:

• Experience with version control systems such as Git.
• Familiarity with CI/CD pipelines and DevOps practices.
• Understanding of workflow management systems and their requirements.
• Experience with containerization technologies like Docker.

Must have Skills

• React.Js - 4 Years
• JavaScript - 4 Years
• RESTful API - 1 Years
• Material UI - 3 Years

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

Job Description:

We are looking for a good 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

• 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
• 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)

Description:

Looking for a great JavaScript developer who is proficient with React.js. primary focus will

be on developing user interface components and implementing them following well-known

React.js workflows with Redux.

Requirements:

Experience with web technologies (REACT, REDUX, AJAX, SCSS/LESS/CSS,

Hooks,HTML)

Excellent conceptual understanding of DOM, JavaScript, HTML/CSS and cross browser

rendering, behavior and performance. The candidate should have high level knowledge

on user experience, asset loading, browser rendering, responsive design, state

management, JavaScript asynchronous patterns, request handling, partial page updates, and REST APIs

with AJAX

Experience implementing static typing in JavaScript (Babel, Typescript)

Familiar with TDD practices. Comfortable with Jest, Jasmine, Cypress, Webdriver.io,

and other automation frameworks to develop and keep the test suite up to date.

Familiarity with front-end build/publish tools, such as npm. Grunt/Gulp.js, Webpack,

browserify.js

Proficient understanding of code versioning tools, such as GIT.

• Proficient knowledge of a NodeJS and Express.
• Understanding differences between multiple delivery platforms (such as mobile vs, desktop), and optimizing output to match the specific platform
• Good understanding of server-side templating languages (such as Jade, EJS, Jinja, etc. depending on your technology stack)
• Good understanding of server-side CSS preprocessors (such as Stylus, Less, Sass etc. depending on your technology stack)
• Creating database schemas that represent and support business processes
• Data migration, transformation, and scripting
• User authentication and authorization between multiple systems, servers, and environments
• Integration of multiple data sources and databases into one system
• Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimizing output to match the specific platform
• Creating database schemas that represent and support business processes
• Implementing automated testing platforms and unit tests
• Management of hosting environment, including database administration and scaling an application to support load changes
• Understanding of fundamental design principles behind a scalable application
• Good understanding of advanced JavaScript libraries and frameworks such as AngularJS.

• VueJS
• Express
• Socket.IO
• NuxtJS
• MongoDB (3.x)
• Mongoose

About the company

One of Asia’s largest global sports media property in history with a global broadcast to 150+ countries. As the world’s largest martial arts organization, the company is a celebration of Asia’s greatest cultural treasure, and its deep-rooted Asian values of integrity, humility, honor, respect, courage, discipline, and compassion.

About the Role

The Company's Engineering team in Bangalore, India is building products for the Martial Arts fans across the world. As part of the engineering team, you would be expected to have deep technology expertise with a passion for building highly scalable products.

This is a unique opportunity where you can impact the lives of people across 150+ countries!

Responsibilities
• Own architecture, design, development, and implementation of different
modules/features of the front-end applications at ONE
• Be up to date with the latest trends in React ecosystem
• Bring in industry best practices
• Take ownership to drive an initiative to completion
• Discover opportunities for performance improvements
• Recommend ways to improve reliability, efficiency and code quality
• Focus on continuous delivery and reducing complexity
• Carry out code reviews and manage pull requests within the frontend application
development team

Requirements
• Overall 4.5+ years of experience in frontend development using React, Redux.
• B.E/B.Tech in CS or equivalent streams from institute of repute (IITs, NITs, BITs,
IIITs or equivalent)
• Ability to write readable and maintainable JavaScript code
• Ability to build pixel-perfect user interfaces with smooth interactions
• Knowledge of Web technologies and concepts -HTML, CSS, REST APIs, Caching, etc.
• Experience in Vue.JS and Angular.JS is a plus.
• Experience using web build tools, such as Webpack, Babel, NPM, Yarn, etc.
• Solid understanding of how web applications work including OWASP, XSRF,
Security, Session management and best development practices.
• Experience in Cloud-based technologies such as AWS or Azure.
• Experience with handling Services, RESTful APIs and developing for high-volume
web applications. Experience in Microservice architecture and practices.

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.