6 min read Datadog monitors infrastructure and applications for thousands of organizations, ingesting trillions of data points per day across metrics, logs, and […] Read article
5 min read Cloudflare Workers run JavaScript at the edge in 300+ cities worldwide with sub-millisecond cold starts. Designing an edge computing platform Read article
6 min read Large Language Models (LLMs) like GPT-4, Claude, and LLaMA have transformed software engineering. Understanding how to deploy, fine-tune, and evaluate Read article
6 min read Recommendation systems drive engagement at Netflix, Spotify, Amazon, YouTube, and TikTok — generating billions of dollars in revenue. Understanding how Read article
6 min read The Transformer architecture (Vaswani et al., 2017, “Attention Is All You Need”) is the foundation of modern AI — powering Read article
6 min read Terraform Cloud manages infrastructure-as-code for thousands of organizations, handling state storage, plan/apply workflows, and provider plugin execution. Designing an IaC Read article
6 min read Understanding how neural networks learn is fundamental to any ML engineering interview. This guide covers the training process from forward Read article
6 min read Grafana is the standard open-source visualization platform for monitoring, serving millions of dashboards across organizations of all sizes. Designing a Read article
6 min read Ticketmaster sells 500+ million tickets per year with extreme traffic spikes: a popular concert on-sale can attract millions of users Read article
6 min read The difference between candidates who pass and fail is not intelligence or knowledge — it is approach. Candidates who follow Read article
6 min read The technical phone screen is your first coding interview — and the highest-rejection stage (60-70% of candidates are eliminated). You Read article
6 min read Kubernetes Operators extend Kubernetes to manage complex applications (databases, message queues, ML platforms) using custom resources and controllers. Designing an Read article
6 min read AWS S3 stores trillions of objects with 99.999999999% durability, serving millions of requests per second. While our earlier Object Storage Read article
6 min read Electronic Health Record systems manage the most sensitive data in technology — patient medical histories, diagnoses, prescriptions, and lab results. Read article
6 min read Knowing which problems are most frequently asked at each company gives you a significant preparation advantage. This guide compiles the Read article
