System design Blogs

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Ivan Velichko
1/12/2026 EN

Ivan Velichko

Ivan Velichko — Experienced software engineer and educator focused on server-side, infrastructure, and Cloud Native technologies, known for making complex systems approachable through clear explanations and hands-on learning.

Gunnar Morling
12/11/2025 EN

Gunnar Morling

Morling.dev is the personal blog of Michael Morling, a software engineer and architect with deep expertise in Java, Spring, JVM internals, architecture, performance, and developer tooling. His writing focuses on practical and detailed explanations of topics such as Spring framework internals, microservices design, JVM garbage collection, performance tuning, clean architecture, Gradle builds, and language features that matter in real projects. Michael often breaks down subtle behaviors of the JVM and Spring ecosystem, helping developers understand why things work the way they do and how to improve reliability and efficiency in production systems.

The Pragmatic Engineer Gergely Orosz
11/29/2025 EN

The Pragmatic Engineer Gergely Orosz

PragmaticEngineer.com is the blog of Gergely Orosz, a software engineer and engineering manager known for clear, research-driven writing about the software industry. He publishes deep-dive essays on software engineering, architecture, scaling systems, engineering management, Big Tech practices, incident analysis, product delivery, and developer careers. Gergely combines experience from companies like Uber and Microsoft with interviews, data, and real examples from engineering teams around the world. His work is widely read because it explains how high-performing tech organizations actually operate, and what individual developers can learn from them. The blog is complemented by a popular weekly newsletter and books focused on practical engineering leadership.

Codeaholicguy
11/10/2025 EN

Codeaholicguy

Codeaholicguy is the personal blog of Hoang Nguyen, Director of Engineering at ShopBack, where he writes thoughtful, hands-on pieces about software engineering, leadership, and building with purpose. Posts range from practical team practices and architecture notes to deep dives on AI-assisted workflows with tools like CursorAI. The tone is pragmatic, product-minded, and aimed at engineers who want to ship faster without sacrificing code quality.

Dan Luu
11/2/2025 EN

Dan Luu

DanLuu.com is the personal blog of Dan Luu, known for long-form essays that mix systems thinking with careful measurement and clear writing. The topics range from computer latency and input lag, testing versus informal reasoning, and concurrency bugs, to industry pieces on developer compensation and curated lists of programming blogs worth reading. Many posts include data, historical context, and reproducible reasoning, which is why the site is often cited in courses and shared across the developer community. The design is intentionally minimal, which puts all attention on the ideas.