Blogs & Field Notes

Deep-dives into systems engineering, Laravel optimization, and AWS serverless architecture.

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Large File Upload to AWS S3 using Presigned URL and Multipart Upload

Large File Upload to AWS S3 using Presigned URL and Multipart Upload

Learn how to upload large files directly to AWS S3 using presigned URLs and multipart upload - a scalable pattern that bypasses your server and avoids timeouts.

Zayed
338Oct 13, 2026
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AWS S3 Batch Operations: Process Millions of Objects Without Breaking a Sweat

Learn how to use AWS S3 Batch Operations to process millions of objects at scale — copy, tag, restore, invoke Lambda, and more — with practical examples and best practices.

Zayed
512Oct 12, 2026

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Zayed Hassan

Senior Full Stack Systems Engineer with 5+ years of specialized experience in Laravel architecture, AWS cloud deployments, and resilient database performance.

Based in Dhaka, Bangladesh (UTC+6) · Remote Worldwide

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