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Tanuj User

@tanujuser1

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Backend Developer Intern at Gamepe Technologies who built an SMS failover system with 99%+ OTP delivery reliability.

India

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What I'm looking for

I'm seeking to use my technical skills to contribute to innovative projects.

At Gamepe Technologies, I developed and deployed REST APIs for wallet transactions and SMS delivery. I also implemented a multi-provider SMS failover system with real-time health checks, achieving 99%+ OTP delivery reliability during provider failures and downtime.

I designed queue and cron job architecture for automated task processing, including free coin expiry conversion and hourly Play Store review ingestion. I also integrated Google Generative AI APIs to summarize reviews and generate contextual replies.

At Macronus Infotech LLP, I designed responsive web templates with React.js and Tailwind CSS. I also built and tested REST APIs with NestJS and SQL databases, including CRUD operations and JWT-based authentication.

In my projects, I developed a MERN real estate marketplace and a real-time chat application with Socket.IO. I also created an AI-powered code reviewer using Google Generative AI APIs.

Experience

Work history, roles, and key accomplishments

Backend Developer Intern

Gamepe Technologies

Jan 2026 - Jul 2026 (6 months)

Developed and deployed 10+ RESTful APIs for wallet transaction management and SMS delivery systems using Node.js, Express.js, and Fastify. Designed a multi-provider SMS failover system with real-time health checks, achieving 99%+ OTP delivery reliability.

NodeJS ExpressJS Fastify RESTful API Design MongoDB MySQL Bull Cron Job Google AI Pino Logger Render Vercel Git GitHub CI CD

Full Stack Developer Trainee

Macronus Infotech LLP

Oct 2025 - Dec 2025 (2 months)

Designed and developed 5+ responsive web templates using React.js and Tailwind CSS, implementing reusable component architecture and mobile-first layouts. Built and tested REST APIs using Node.js with NestJS framework and SQL databases, including JWT-based authentication.