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Rishabh Kumar

@rishabhkumar9

Full-Stack Developer with 4 years’ experience in React, Next.js, Angular, Node.js, MERN/MEAN, AI integration, APIs, MQTT, WebSockets & SEO.

India

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What I'm looking for

Full-Stack Developer with nearly 4 years of experience building scalable, production-ready web applications using React, Next.js, Angular, Node.js, MERN & MEAN. Skilled in REST APIs, MQTT, WebSockets, email integrations, SEO, GTM, analytics, responsive UI, and performance optimization. Experienced in end-to-end development and solving complex technical problems.

At Shunya Ekai Technologies Pvt Ltd, I build production-grade web applications with React.js, Next.js, and TypeScript. I improved Lighthouse performance scores by 40+ points and reduced initial load time by 60%.

I also built Node.js and Express.js services for REST APIs and real-time data exchange, and implemented Socket.io and MQTT for live hardware-to-device streaming. My LLM pipelines for data extraction and classification reduced manual processing effort by 50%.

At Learnator Software’s Pvt Ltd, I developed React.js and Angular applications supporting 50k+ users/clients. I improved page load and response time by 60% and implemented Azure CI/CD pipelines that cut release time by 50%.

My projects include PlusX Electric, an EV platform built with Next.js, and real-time chat applications using the MERN stack. I’ve also worked on an Angular emergency response platform for incident management and responder workflows.

Experience

Work history, roles, and key accomplishments

Current

Software Developer

Current

Shunya Ekai Technologies Pvt Ltd

Sep 2024 - Present (2 years 2 months)

Engineered and optimized scalable web applications using React.js, Next.js, and TypeScript, improving performance and reducing load times. Architected SSR/SSG pipelines, built Node.js backend services, and integrated real-time communication and LLM pipelines.

React Next.js Redux toolkit Socket.IO MQTT MERN Stack Django Angular SEO Optimization Web Development Full Stack Developer JavaScript

Software Engineer

IPH Technologies Pvt Ltd

Apr 2024 - Jun 2024 (2 months)

Developed and optimized desktop and mobile applications for macOS, improving UI responsiveness and app performance. Collaborated cross-functionally to deliver business-critical features and streamlined release workflows.

MacOS UI Development Performance Optimization Cross Functional Collaboration Release Management

Software Developer

Learnator Software's Pvt Ltd

Nov 2022 - Apr 2024 (1 year 5 months)

Developed enterprise-grade applications using React.js and Angular, supporting 50k+ users. Enhanced performance through scalable architecture and implemented Azure CI/CD pipelines, reducing release time and deployment errors.

React Angular Frontend Architecture Performance Optimization Azure CICD CI CD Deployment