Using S3 Buckets with Tokens: Secure Access Without Exposing Credentials
Feb 28 · 4 min read · Cloud storage systems are not accessed by trust — they are accessed by authorization. Modern applications cannot safely embed permanent credentials in frontend apps, mobile devices, or distributed services. Instead, they use temporary, scoped access ...
Join discussionStrategies to Scale Database Writes
Feb 25 · 3 min read · In the previous article, we saw how to scale reads by reducing the amount of work the database has to do for every query. Writes have a different problem. A write is not just “store this data”.A write often means: Update indexes Maintain order Enfor...
Join discussionStrategies to Handle Both Reads and Writes at Scale
Feb 25 · 7 min read · In the previous two articles, we saw something important: To scale reads, we reduce the work the database does per query. [LINK] To scale writes, we reduce the work the database does per insert. [LINK] But what happens when a system has both heavy ...
Join discussionRate Limiting 101: How to Protect Your APIs at Scale
Feb 25 · 6 min read · How Systems Protect Themselves from Too Many Requests Modern systems don’t fail because they are badly written. They fail because they receive more requests than they can safely handle. Whether it’s an API, a backend service, or a public-facing platf...
Join discussionThe Scalability Dilemma : Vertical vs. Horizontal Scaling
Feb 11 · 4 min read · Welcome back to our System Design Series. If you’ve ever built an application that started small but suddenly gained a surge of traffic, you’ve likely faced the "Scaling Wall." Your server is gasping for air, latency is spiking, and your users are se...
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20 Essential System Design Concepts for Scalable Architecture
Jul 16, 2025 · 4 min read · This blog dives deep into the System Design Engineering Digest, explaining how real-world tech giants structure scalable systems. From foundational concepts to practical deployment insights, you'll gain clarity, confidence, and the mindset to build l...
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