AK
Available for work
5+ Years Experience

Hello, I'mAjay Kumar

Senior Frontend Engineer

Senior Frontend Engineer with 5+ years of experience in building scalable web applications, reusable UI components, and RESTful API integrations using React.js, Next.js, and TypeScript. Excels in Agile team collaboration to transform business requirements into technical implementations.

New Delhi, Delhi, India

About Me

Passionate about creating exceptional digital experiences through clean code and innovative solutions

My Journey

With over 5 years of experience in frontend development, I've had the privilege of working with leading companies like Coforge, Smart Energy Water, and Chetu Inc. My expertise spans across modern web technologies, from React.js and Angular to TypeScript and cloud platforms.

I specialize in building scalable web applications, implementing real-time features, and creating intuitive user experiences. My passion lies in transforming complex business requirements into elegant technical solutions that drive results.

Resume
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5+ Years

Experience

50+ Projects

Completed

40% Faster

Development

99%

Client Satisfaction

Experience

My professional journey in building scalable applications and leading development teams

Senior Software Engineer

Coforge

05-2024 – 03-2025
Gurugram, India

Led the migration of a legacy React application to Angular 17 using TypeScript and Kendo UI, improving code modularity by 30% and reducing technical debt

Designed and implemented a robust enterprise data management module using Kendo UI Data Grid with tri-level centralized filtering, increasing data processing efficiency by 25%

Built dynamic, reactive form systems with advanced validation and RESTful API integration, enhancing CRUD speed and reducing form error rates by 40%

Automated CI/CD pipelines using Azure DevOps, reducing release cycle times by 35% through integrated testing and deployment workflows

Collaborated in Agile sprints with cross-functional teams (QA, Product, Backend), improving bug resolution turnaround by 50% using structured task tracking

React.jsAngular 17TypeScriptKendo UIAzure DevOpsRESTful APIsCI/CD

Senior Product Engineer

Smart Energy Water

06-2023 - 03-2024
Noida, India

Developed a responsive and scalable web application using ReactJS, TypeScript, Redux, and Material UI, ensuring modularity and cross-browser compatibility

Integrated APAC E-Chart into the usage module to visualize water and electricity consumption, improving user interaction and enabling real-time utility tracking

Implemented multilingual capabilities through RESTful API integration, enabling real-time language switching and improving global user experience

Delivered new product features and UI enhancements with optimized rendering performance, improving functionality across all devices

Collaborated with cross-functional teams in an Agile environment, managing sprints and issue tracking through Jira for timely delivery

React.jsTypeScriptReduxMaterial UICI/CDApache EChartsRESTful APIsJira

Senior Software Engineer

Chetu Inc.

07-2021 – 06-2023
Noida, India

Developed the frontend architecture of Carrejoue, a real-time sports gaming platform that maps sporting outcomes to dynamically progressing Game Cards

Engineered match logic using Subject Square advancement rules and Key Element inputs, enabling accurate result validation and persistent match state

Built gameplay modules for recognizing Winning Patterns (Line, Diagonal, X, Blackout) and triggering payouts through multi-pattern Prize Pools

Integrated Firebase for real-time data storage, player state synchronization, and backendless event logging for smooth gameplay experience

Implemented Redux Thunk middleware for asynchronous data flows, optimizing complex form logic and session management

React.jsFirebaseReduxReact BootstrapRedux Thunk

Frontend Developer

Tenali Education Academy (GharPeShiksha)

12-2019 - 07-2021
Delhi, India

Built a course-selling e-commerce platform using ReactJS, Material UI, and Context API, enabling students to browse and purchase courses based on class levels

Developed a real-time virtual classroom system using WebRTC for video streaming and Socket.io for chat functionality with progress tracking

Engineered a responsive tutor discovery website using HTML, CSS, JavaScript, Ajax, and jQuery for subject and availability-based search

Seamlessly integrated RESTful APIs across all applications in collaboration with backend developers, ensuring real-time data synchronization

React.jsReduxMaterial UIContext APIWebRTCSocket.ioJavaScriptjQueryBootstrapAjax

Skills & Technologies

Technologies and tools I use to bring ideas to life

Frontend Technologies

HTML5
CSS3
SCSS
React.js
Next.js
Angular 17
TypeScript
JavaScript (ES6)
Material UI
Kendo UI
React Bootstrap

State Management & APIs

Redux
Redux Thunk
Redux Toolkit
Context API
RESTful APIs
JSON
Firebase
Google APIs

Cloud & Developer Tools

Azure DevOps
CI/CD
Git
Jira
Postman
Swagger
Webpack
Vite
Visual Studio Code

Real-time & Data Visualization

WebSockets
WebRTC
Socket.io
WebSockets
Apache ECharts
Google Charts
Firebase Realtime DB

Testing & Mobile

Jest
Unit Testing
React Native

Featured Projects

Some of the projects I've worked on that showcase my skills and experience

Carrejoue Sports Gaming Platform

Real-time, event-driven sports gaming platform with dynamic game cards and live result processing

Key Highlights:

Real-time match logic with Subject Square advancement rules

Multi-pattern prize pool system (Line, Diagonal, X, Blackout)

Geo-restricted group pool selection and registration

Event-based workflows for game card generation and pricing

React.jsFirebaseReduxWebRTCSocket.ioMaterial UI

Enterprise Data Management System

Robust data management module with advanced filtering and automated deployment workflows

Key Highlights:

Tri-level centralized filtering system (master, input, column)

30% improvement in code modularity through component-based architecture

25% increase in data processing efficiency

35% reduction in release cycle times through automated CI/CD

Angular 17TypeScriptKendo UIAzure DevOpsRESTful APIs

Smart Energy Water SaaS Platform

Customer engagement platform for energy and utility sector with real-time analytics

Key Highlights:

Responsive and scalable web application with cross-browser compatibility

Real-time utility consumption visualization with interactive charts

Multilingual support with real-time language switching

Optimized rendering performance across all devices

React.jsTypeScriptReduxMaterial UIApache ECharts

Educational Technology Suite

Complete e-learning ecosystem with course marketplace and virtual classroom

Key Highlights:

E-commerce platform for course sales with class-based filtering

Real-time virtual classroom with video streaming and chat

Tutor discovery system with advanced search and filtering

Seamless API integration for real-time data synchronization

React.jsMaterial UIContext APIWebRTCSocket.io

Get In Touch

Ready to start your next project? Let's work together to create something amazing

Let's Connect

I'm always interested in new opportunities and exciting projects. Whether you have a question or just want to say hi, I'll try my best to get back to you!

Location

New Delhi, Delhi, India