One Concept at a Time! From coding basics to Advanced System Design. Learn System Design every week. Read what engineers from uber, Google, Microsoft and Amazon are reading.
latest posts
Jul 23, 2026
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4 min read
A deep dive into the File Semantic Analyzer that processes 150,000 files per year with near zero noise.
Jul 22, 2026
5 min read
How Netflix merges eBPF, IPC metrics, and distributed traces into one real time dependency graph
Jul 20, 2026
The 5 layer architecture that turns a raw LLM into a production ready autonomous agent
Job Openings
Jul 19, 2026
1 min read
Uber, Arize AI, Razorpay, Buffer...
grind digest
Jul 18, 2026
The Bun rewrite numbers are out ($165K, 5.9B tokens), Google's next model is behind schedule, and TSMC just committed a quarter trillion dollars to Arizona.
Jul 16, 2026
6 India + 6 Remote — Glean, Amazon, PostHog, Instrumentl, SerpApi & more
Jul 15, 2026
Apple is going after OpenAI in court, a developer figured out how to cut AI agent token costs by 94%, and iOS 27 beta is live with a Siri that actually works.
Jul 13, 2026
3 min read
How to wire NotebookLM, Claude Code, and Obsidian into a system that gets smarter every week
Jul 12, 2026
Glean, Postman, Amazon, Razorpay, Stripe, PostHog & more
Three model launches in one week, a runtime rewrite that should've taken a year, and Meta finally puts a price tag on AI.
AI Engineering
Jul 5, 2026
Traffic distribution vs traffic management, and when you need both.
Jul 4, 2026
Most teams use only one. The best teams combine three.
Jul 2, 2026
6 min read
Inside CacheFront: Uber's three layer invalidation strategy for consistency at scale
Jul 1, 2026
Inside the 3 agent pipeline that handles code migrations at scale
Jun 29, 2026
They cut database nodes by 60% and made reads 8x faster.
Jun 27, 2026
Performance benchmarks, cost traps, and a decision tree for picking the right one