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A guide to architecting resilient payment systems that scale and the infrastructure decisions that determine whether they survive production. Building a payment system that handles millions of transac

Introduction Concurrency is one of those topics that looks simple on paper but gets messy in real life. If you’ve ever worked on backend systems that deal with job queues, counters, or shared resources, you’ve likely stumbled upon issues where two pr...

The rise of AI has fundamentally changed what it means to be valuable in technology. As large language models become increasingly capable of generating clean, functional code from simple prompts, we're witnessing a seismic shift in the skills that ma...

Introduction While researching authentication and rate limiting strategies for multi-tenant SaaS applications, I came across an insightful AWS blog published on August 14, 2023. The blog detailed how SeatGeek leverages AWS services for handling authe...
