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Grind Engineer

One Concept at a Time!
From coding basics to Advanced System Design.
Learn System Design every week.

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latest posts

Inside Uber's AI Powered File Analyzer: 97% Fewer False Positives

Jul 23, 2026

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4 min read

Inside Uber's AI Powered File Analyzer: 97% Fewer False Positives

A deep dive into the File Semantic Analyzer that processes 150,000 files per year with near zero noise.

How Netflix Maps Thousands of Microservices in Real Time With Three Data Sources

Jul 22, 2026

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5 min read

How Netflix Maps Thousands of Microservices in Real Time With Three Data Sources

How Netflix merges eBPF, IPC metrics, and distributed traces into one real time dependency graph

Harness Engineering: The 5 Layers Every AI Agent Needs to Ship

Jul 20, 2026

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4 min read

Harness Engineering: The 5 Layers Every AI Agent Needs to Ship

The 5 layer architecture that turns a raw LLM into a production ready autonomous agent

Job Openings

#3 Top Tech Jobs: Uber, Arize AI, Razorpay, Buffer...

Jul 19, 2026

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1 min read

#3 Top Tech Jobs: Uber, Arize AI, Razorpay, Buffer...

Uber, Arize AI, Razorpay, Buffer...

grind digest

Bun's rewrite cost $165K in AI tokens 🔥, Google delays Gemini 3.5 Pro  🤖, TSMC adds $100B  🏗️

Jul 18, 2026

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4 min read

Bun's rewrite cost $165K in AI tokens 🔥, Google delays Gemini 3.5 Pro 🤖, TSMC adds $100B 🏗️

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.

Job Openings

#2 Job Openings - Glean, Amazon, PostHog, Instrumentl...

Jul 16, 2026

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1 min read

#2 Job Openings - Glean, Amazon, PostHog, Instrumentl...

6 India + 6 Remote — Glean, Amazon, PostHog, Instrumentl, SerpApi & more

Apple sues OpenAI ⚖️,  94% token reduction by agent skills 🤖, Siri AI Beta📱

Jul 15, 2026

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4 min read

Apple sues OpenAI ⚖️, 94% token reduction by agent skills 🤖, Siri AI Beta📱

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.

Claude Code + NotebookLM + Obsidian: The Learning Stack Nobody's Using

Jul 13, 2026

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3 min read

Claude Code + NotebookLM + Obsidian: The Learning Stack Nobody's Using

How to wire NotebookLM, Claude Code, and Obsidian into a system that gets smarter every week

Job Openings

#1 Top Tech Jobs: Glean, Stripe, Amazon ...

Jul 12, 2026

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1 min read

#1 Top Tech Jobs: Glean, Stripe, Amazon ...

Glean, Postman, Amazon, Razorpay, Stripe, PostHog & more

GPT 5.6 Sol, Terra, Luna go public 🚀, One engineer rewrites Bun in Rust in 11 days 🔥, Meta starts charging for AI 📱

Jul 12, 2026

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4 min read

GPT 5.6 Sol, Terra, Luna go public 🚀, One engineer rewrites Bun in Rust in 11 days 🔥, Meta starts charging for AI 📱

Three model launches in one week, a runtime rewrite that should've taken a year, and Meta finally puts a price tag on AI.

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Featured Posts

AI Engineering

API Gateway vs Load Balancer: What's the Actual Difference?

Jul 5, 2026

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5 min read

API Gateway vs Load Balancer: What's the Actual Difference?

Traffic distribution vs traffic management, and when you need both.

AI Engineering

6 Deployment Strategies Every Engineer Should Know

Jul 4, 2026

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5 min read

6 Deployment Strategies Every Engineer Should Know

Most teams use only one. The best teams combine three.

AI Engineering

How Uber Serves 150 Million Reads Per Second From Cache

Jul 2, 2026

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6 min read

How Uber Serves 150 Million Reads Per Second From Cache

Inside CacheFront: Uber's three layer invalidation strategy for consistency at scale

AI Engineering

How Spotify Uses AI Agents to Rewrite Its Entire Codebase

Jul 1, 2026

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5 min read

How Spotify Uses AI Agents to Rewrite Its Entire Codebase

Inside the 3 agent pipeline that handles code migrations at scale

AI Engineering

How Discord Handles 40 Billion Messages Per Day

Jun 29, 2026

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5 min read

How Discord Handles 40 Billion Messages Per Day

They cut database nodes by 60% and made reads 8x faster.

AI Engineering

Vector Databases Compared

Jun 27, 2026

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6 min read

Vector Databases Compared

Performance benchmarks, cost traps, and a decision tree for picking the right one

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