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Muhammad Sumon Molla Selim

Homo sapiens by birth. Software engineer by profession. Traveler and entrepreneur by passion.

Purmerend, Netherlands Joined on Feb 19, 2026 https://www.sumonselim.com

Muhammad Sumon Molla Selim

Sep 25

Designing a Flash-Sale Seat Reservation System in AWS (Part 3): Holds, Payments, and the Slow Path

#aws #systemdesign #cloudfront #lambda

14 min read

Muhammad Sumon Molla Selim

Sep 25

Designing a Flash-Sale Seat Reservation System in AWS (Part 2): Never Sell a Seat Twice

#architecture #aws #backend #systemdesign

11 min read

Muhammad Sumon Molla Selim

Sep 25

Designing a Flash-Sale Seat Reservation System in AWS (Part 1): The Architecture

#aws #systemdesign #redis #lambda

13 min read

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