Frontend Developer

About Us:

We are a fast-growing startup building AI-powered solutions centered around intelligent agents. Our mission is to deliver seamless, intuitive interfaces that make advanced AI accessible to real users through modern, responsive web applications.

Role: Full Stack Developer Developer

We’re looking for a Full Stack Developer who can design and develop production-ready web applications with excellent frontend user experiences and robust backend systems. You’ll work closely with our AI, product, and design teams to build interactive platforms connecting users with intelligent AI agents.

Responsibilities:

• Develop, test, and maintain end-to-end web applications with modern frontend frameworks and scalable backends.
• Collaborate with AI engineers to integrate agent-driven APIs and real-time data into the UI.
• Design and implement RESTful/GraphQL APIs and efficient database structures.
• Optimize application performance, load times, and user responsiveness.
• Write clean, modular, and reusable code following software design principles.

Requirements:

• THE CANDIDATE MUST BE COMFORTABLE WITH FRONTEND DEVELOPMENT AND HAVE A STRONG UNDERSTANDING OF UI/UX DESIGN PRINCIPLES.
• Strong expertise in Frontend Technologies:React.js,HTML, CSS
• JavaScript,TypeScript, and DOM manipulation.
• State management (Redux, Zustand, Context API,Rest API).
• UI libraries like Material UI, Tailwind CSS, or Bootstrap.
• Proficiency in Node.js and Express.js for backend development.
• Strong understanding of database design (MongoDB, PostgreSQL, or MySQL).
• Knowledge of API design patterns, MVC architecture, and low-level OOP design.
• Hands-on experience with Git/GitHub, version control, and collaborative workflows.
• Awareness of real-time data handling (WebSockets), security, and performance optimization.
• Prior experience building or deploying production-grade web applications through past experience and internships.
• Exposure to AI-powered or multi-agent systems.
• Familiarity with Figma or other design collaboration tools.

What You’ll Gain:

• Hands-on experience building real-world AI-integrated full-stack applications.
• Opportunity to work on frontend architecture, design systems, and API integrations.
• Mentorship from experienced full-stack and AI engineers.
• Pathway for conversion to a full-time position based on performance.

Front-End Developer Job Description

We are looking for programmers with a keen eye for design for the position of a frontend developer. Front-end developers are responsible for ensuring the alignment of web design and user experience requirements, optimizing web pages for maximum efficiency, and maintaining brand consistency across all web pages, among other duties. Front-end developers are required to work in teams alongside product managers, back-end developers and graphic designers to ensure all elements of web creation are consistent. This requires excellent communication and interpersonal skills.

Front-End Developer Responsibilities:

Determining and creating scalable structure and design of web pages.

Building and maintaining reusable code for future use.

Ensuring web design is optimized for smartphones.

Optimizing web pages for maximum speed and scalability.

Actively participate in design and code reviews to build robust applications

and prototypes

Striking a balance between functional and aesthetic design.

Troubleshooting and debugging existing applications.

Following standard predefined design guidelines.

Delivering assigned tasks on time.

Front-End Developer Requirements:

Proficiency in HTML, CSS, and JavaScript. And knowledge of JavaScript frameworks such as ReactJS, and VueJS.

Knowledge of typescript, es-lint, webpack and bundling of applications.

Familiarity with CSS frameworks such as CSS, less.

Experience with responsive and adaptive design.

Degree in B. Sc (IT or CS), BCA, MCA, MSc, BE, ME

Knowledge of agile development methodology.

Good problem-solving and interpersonal skills.

Excellent verbal communication skills.

Rejolut is one of the award-winning fastest-growing emerging tech company which is working on leading technology like Blockchain, ML & AI, Complex mobile & web apps, IoT, etc.

The ideal candidate will be responsible for developing a highly scalable and secure code.

Responsibilities:-
-Able to take the Extreme Ownership of modules/product/projects
-Able to learn & implement new technology/framework/library at God Speed
-Able to come with an optimal solution for the business problem
-Can handle calls with the client & customer to know their feedback
-Writing clean code & able to dig into other's code or open-source code.
-Cooperating with the back-end developer in the process of building the RESTful API
-Ensuring high performance on mobile and desktop

Desired Candidate Profile:-
-Good problem-solving skills is a must
-Must be familiar with Angular latest version and above
-Strong in Core web fundamentals: HTML, JavaScript, and CSS
-Must be experienced in web development & dynamic websites
-Familiar with various design and architectural patterns
-Experience using JavaScript building tools like Gulp or Grunt.
-Knowledge of JavaScript MV-VM/MVC frameworks including AngluarJS.
-Strong oral and written skills
-Creating custom, general use modules, and components which extend the elements and modules of core AngularJS
-Ability to self-learn

How we are different 
 -We are a young and dynamic team who are obsessed with solving the business problem at scale -We are a technology agnostic company who focus more on finding the optimal solution to the business problem rather than technology

 Why join us
 -We provide a huge learning curve. Spending 1.5-2 years with us will put you 3 years ahead in the career
-We work only on cutting edge technology like React, React Native, Flutter, NodeJS, Python, Go, Svelte, ELM
-There are two technology Co-founder in the company who are pretty much hands-on and have earlier bult the Consumer application which is downloaded millions of time and are in leadership position in copanies like Samsung, Purplle, Loyalty Rewardz
-Get mentored by the best in the industry
-Flexible working hours
-Perks best in the industry

What you’ll do 💯

• Work closely with recruiters/hiring managers to understand customer pain points and opportunities for features and improvements

• Developing the exact pixel-perfect & Responsive UI from the designs provided
• Lead or participate in design reviews, code reviews and architecture evolution discussions. quality & performance goals

  development efficiency.
  
  

• At least 2 Years of relevant work experience in React JS
• Experience in developing responsive Web Applications Development and reusable UI elements

• Architect and develop scalable and maintainable applications
• Expert Programming experience in HTML, CSS, JavaScript and React JS with the expertise to fuse these with modern web development practices

Job Requirements

Minimum Requirements:

To perform this job successfully, the individual must have the following experience:

1. Bachelor’s degree in management information systems, computer science, and/or business, or equivalent work experience.
2. You have experience with developing, maintaining and supporting production applications which have live users using Angular.
3. You have experience with State managment and NgRx (ideally) or any other framework
4. You are NOT a fresh graduate with no production experience
5. You have excellent English speaking skills
6. Strong understanding of the DOM, HTML5, CSS3 and JavaScript
7. 3+ years of in-depth experience with Angular (2/4/8/x)
8. 1+ years of experience with additional web libraries and frameworks. Preferred: NgRx, Rx.js.

Additional Skills Desired

1. Ability to be empathetic and form strong working relations with your team members.
2. Strong understanding of debugging and ability to quickly debug code, find problems and produce fixes.
3. Experience with Responsive Web Design (RWD) patterns
4. Experience with unidirectional data flow patterns (Redux, etc.)
5. Experience with RxJS or other Reactive programming techniques/libraries
6. Experience using ES2015 (ES6) and TypeScript 2.x
7. Indepth experience in using GIT and understanding of GIT workflows Experience in building and maintaining a reusable components library in angular
8. An excellent eye for detail to bring our products designs to life using pixel perfect styling, interactions and animation.
9. Familiarity with agile development practices (a/b testing,unit testing,continuous deployment,continuous integration,scrums) and worked in a product driven environment.
10. Excellent written and verbal communication skills to communicate technical concepts to a wide variety of audience.
11. Proven ability to work with designers and other non-technical and technical team members (wireframes, rapid prototypes, PoC’s, white boarding)

Reactjs Developer 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.

Reactjs Developer Requirements:

• Bachelor’s degree in computer science, information technology, or a similar field.
• Previous experience working as a react.js developer.
• In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
• Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
• Experience with user interface design.
• Knowledge of performance testing frameworks including Mocha and Jest.
• Experience with browser-based debugging and performance testing software.
• Excellent troubleshooting skills.
• Good project management skills.

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.