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🪐 What’s happening in tech today, May 31, 2026?
The HackerNoon Newsletter brings the HackerNoon homepage straight to your inbox. On this day, Usain Bolt Became the Fastest Man Alive in 2008, Colin Farrell Was Born in 1976, Ginger Spice Left Spice Girls in 1998, and we present you with these top quality stories. From 5 Must-Have AI Skills for Developers in 2026 (and How To Learn Them) to The First PR Intelligence Audit for Prop Firms: Key Findings, let’s dive right in.
Postgres Extensions Cheat Sheet: Replace 7 Databases With SQL
By @tigerdata [ 7 Min read ] Learn how Postgres replaces Elasticsearch, Redis, Kafka, Pinecone, and MongoDB using extensions for AI, vectors, queues, caching, and search. Read More.
5 Must-Have AI Skills for Developers in 2026 (and How To Learn Them)
By @cloudsavant [ 32 Min read ] A practical roadmap for developers learning AI engineering, from prompt engineering and RAG to AWS Bedrock and MLOps. Read More.
DeFi’s Real Problem Isn’t UX
By @neilmaydefi [ 4 Min read ] Self-custody should not mean abandonment. Better adoption needs privacy, recovery, and safeguards that treat people like adults in real financial life. Read More.
We Treated Potholes Like Software Bugs and Accidentally Built a Civic Hacking Playbook
By @bogomil [ 5 Min read ] We treated potholes like software bugs, hacked the visibility layer instead of the asphalt, and discovered that one weird civic experiment can spread Read More.
The Death in the Middle
By @laumski [ 6 Min read ] The role most product designers were hired into doesnt exist anymore. A note on whats actually happening, whos escaping it, and how. Read More.
Codex Goal Tutorial: Set a Goal, Walk Away, Come Back to Finished Code
By @proflead [ 4 Min read ] This guide explains how the /goal command in OpenAI Codex enables persistent multi-step coding workflows for debugging, refactoring, testing, and optimization. Read More.
The First PR Intelligence Audit for Prop Firms: Key Findings
By @alphamarketflow [ 11 Min read ] The case study suggests that the industrys biggest structural gap isnt customer satisfaction, its digital infrastructure. Read More.
Top 17 AI Testing Tools in 2026 (+ Claude Bonus)
By @qatech [ 16 Min read ] A 2026 guide to 17 AI testing tools that actually deliver: autonomous agents, AI-assisted platforms, script generators, and specialists compared. Read More.
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We hope you enjoy this worth of free reading material. Feel free to forward this email to a nerdy friend who'll love you for it.See you on Planet Internet! With love, The HackerNoon Team ✌️
