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Amar Kumar

@amarkumar8

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Full Stack Developer at Corazor Technologies who improved healthcare performance by 49%.

India

Message

At Corazor Technologies, I build healthcare, trading, and e-commerce features with React.js, Node.js, Express.js, and TypeScript. I improved healthcare application performance by 49% through debugging, validation, security checks, and component optimization.

I also developed microservices and Kafka-based workflows, improving request handling by 87% through query optimization and asynchronous processing. I built mobile-first React.js interfaces from Figma and Adobe XD designs and strengthened trading and payment workflows.

Previously, at Tech Formation, I built AI-assisted learning workflows that improved user engagement and workflow efficiency by up to 56%. At Apptunix, I developed Web3 and PWA features and optimized smart contracts to reduce gas fees by up to 68%.

Experience

Work history, roles, and key accomplishments

Current

Full Stack Developer

Current

Corazor Technologies

Aug 2025 - Present (1 year 2 months)

Built healthcare, trading, and e-commerce features using React.js, Node.js, Express.js, TypeScript, and REST APIs. Improved healthcare application performance by 49% and developed microservices and Kafka-based workflows to improve request handling by 87%.

React NodeJS ExpressJS TypeScript REST APIs Microservices Kafka Docker CI CD Claude Code GitHub Co Pilot Cursor Figma Adobe XD Authentication Security Validation Database Schema Design

Software Developer

Tech Formation

Apr 2024 - Aug 2025 (1 year 4 months)

Built AI-assisted learning workflows enabling two-way student–mentor interaction, activity tracking, and personalized responses, improving user engagement and workflow efficiency by up to 56% with 92% response accuracy. Optimized React.js components and rendering in healthcare workflows, improving application performance by up to 78%.

React NodeJS ExpressJS AI Agile CI CD Excel PDF Debugging Security Checks Input Validation Error Handling

Blockchain Developer Intern

Apptunix

Feb 2023 - Feb 2024 (1 year)

Developed Web3 and PWA features using Solidity, React.js, and Node.js, integrating transparent blockchain transactions and optimizing smart contracts to reduce gas fees by up to 68%.

Solidity React NodeJS Web3 PWA Smart Contracts Agile