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The best problem-solving writing in software engineering — databases, performance, security, frontend and distributed systems, in one feed.

11,646 articles
Languages — 2025 Recap: so many projects

2025 Recap: so many projects

I’ve been working on so many projects in 2025, I thought it was important for me to make a recap, if only just to clear my head. There are many, many, many things to go through and we don’t have a sponsor today, so I’m gonna start right away with facet! facet facet is a project that I started working on in March of this year — that’s right, it’s only been ten months, yet it feels like an eternity.

AWAmos WengerAmos Wenger·December 31, 2025Languages
Security — Stopping the slow death of internal tools

Stopping the slow death of internal tools

Internal tools often decay due to high maintenance costs and security tradeoffs. Learn how Vercel uses v0 to build secure, sustainable custom software that business teams can ship and maintain without pulling engineers off the roadmap.

VVercel·December 27, 2025Security
Frontend — Thank You (2025 Edition)

Thank You (2025 Edition)

This is the best job I've had in my life and it's only possible because you keep showing up each day to read, learn, share, and discuss all-things-front-end (and a little CSS, of course) with us.

GGGeoff GrahamGeoff Graham·December 23, 2025Frontend
Networking — How Workers powers our internal maintenance scheduling pipeline

How Workers powers our internal maintenance scheduling pipeline

Physical data center maintenance is risky on a global network. We built a maintenance scheduler on Workers to safely plan disruptive operations, while solving scaling challenges by viewing the state of our infrastructure through a graph interface on top of multiple data sources and metrics pipelines.

KDKevin Deems, Michael HoffmannKevin Deems, Michael Hoffmann·December 22, 2025Networking
Career & Teams — This year’s most influential open source projects

This year’s most influential open source projects

From Appwrite to Zulip, Universe 2025’s Open Source Zone was stacked with standout projects showing just how far open source can go. Meet the maintainers—and if you want to join them in 2026, you can now apply for next year’s cohort.

LRLee ReillyLee Reilly·December 22, 2025Career & Teams