Hi, I'm Ajay Kumar
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Full Stack MERN Developer with 2.6 years of experience building scalable, high-performance web applications using React, Next.js, TypeScript, Express and Node.js. Strong focus on clean architecture, UI precision, and performance optimization.
Technical Skills
A comprehensive overview of my technical expertise across various domains of web development. Click on any skill to learn more about my capabilities.
React.js
ExpertNext.js
AdvancedTypeScript
AdvancedJavaScript
ExpertTailwind CSS
AdvancedCSS3/SCSS
AdvancedMaterial UI
IntermediateBootstrap
AdvancedChakra UI
IntermediateRedux Toolkit
AdvancedReact Query
IntermediateReact Context API
AdvancedStyled Components
IntermediateAngular
IntermediateExperience
My professional journey and key experiences that shaped my career
Repozitory Technologies Pvt. Ltd.
- • Built & maintained 5+ production web applications with React, Next.js, TypeScript & Tailwind CSS, delivering scalable solutions with 99%+ uptime
- • Developed enterprise urban renewal platform with real-time WebSocket features, multi-channel notifications, and CloudWatch monitoring
Internshala
- • Built small-scale automation and data processing scripts using Python and libraries like Pandas and Requests
- • Developed REST APIs and mini-projects to strengthen backend logic and problem-solving skills
College Hackathon
- • Led a 3-member team to design and develop a 'College Management App' during an inter-college hackathon held in Sonipat
- • Built the Android app using Java, Android Studio, and Firebase as backend for authentication and data storage
Featured Projects
Explore my portfolio of web applications built with modern technologies and best practices
SkillSense
A comprehensive internal Human Resource Management System with integrated attendance tracking from hardware machines, designed to manage employee data, attendance with custom rules, leave, and loan management efficiently.
Automated key HR processes, reduced manual errors, improved attendance accuracy through machine integration, and provided better insights into employee data for management decision-making.
Urban Renewal & Real Estate Platform
Urban Renewal & Real Estate Platform
Large-scale B2B SaaS platform for managing urban renewal and real estate projects, used by developers, law firms, municipalities, builders, and tenants across Israel. Refactored legacy AngularJS codebase to React with improved architecture, security, and performance.
Enterprise-level platform used at large scale that significantly improved project transparency, streamlined communication between stakeholders, and enhanced user engagement with urban renewal initiatives.
Bibico – Influencer Marketing Platform
Bibico – Influencer Marketing Platform
Multi-language (Japanese) influencer marketing platform built as a 3-app distributed system (2 React frontends + 1 Express API). Admin/Publisher app for managing brand campaigns, and an influencer discovery app with detailed profiles and collaboration tools.
Enabled brands to discover and collaborate with influencers globally with real-time analytics, improving campaign reach and management efficiency through data-driven insights.