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sajjad rizvi

@sajjadrizvi

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I build production-grade full-stack applications, including secure AI-powered payment and escrow platforms.

India

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What I'm looking for

I'm seeking Full Stack and Software Engineering roles at product companies where I can build production-grade applications and contribute to secure, user-focused products.

I've built PactPay, an AI-powered escrow platform with an append-only ledger, strict contract and milestone state machines, and human-confirmed AI payment reviews.

I engineered idempotent payment endpoints with ACID transactions, Razorpay signature verification, and asynchronous Gemini AI reviews through BullMQ. I also built ghost-detection jobs that resolve inactive milestones after 14 days of counterparty silence.

At KallTrip, I shipped 60+ frontend pages for TeyZeeVisas, resolved cross-browser inconsistencies, and maintained 99% uptime in live production environments. I also built an OAuth-based Google Calendar integration that automatically synced salon bookings.

I'm a final-year B.Tech Computer Science student seeking full-stack and software engineering roles at product companies. My work spans React, Node.js, PostgreSQL, MongoDB, secure payments, and responsive production interfaces.

Experience

Work history, roles, and key accomplishments

Web Support Intern

KallTrip Pvt Ltd

Jun 2025 - Oct 2025 (4 months)

Shipped 60+ pages of TeyZeeVisas frontend, resolving cross-browser inconsistencies. Built OAuth-based Google Calendar integration for a salon booking platform and maintained 99% uptime across production environments.

Frontend Development OAuth Google Calendar API Debugging Monitoring