The HackerNoon Newsletter: A Data Engineers Guide to PyIceberg (7/6/2025)

This content originally appeared on HackerNoon and was authored by Noonification

How are you, hacker?

🪐 What’s happening in tech today, July 6, 2025?

The HackerNoon Newsletter brings the HackerNoon homepage straight to your inbox. On this day, The First Drive-In Theater Was Opened in 1933, The Soyuz 11 Was Launched in 1971, The Chicago Elevated Rail System Began Operation in 1892, The Original Chrysler Corporation Was Founded in 1925, and we present you with these top quality stories. From Tech Made in Ukraine: The People Behind the Platforms We Use Every Day to A Data Engineers Guide to PyIceberg, let’s dive right in.

HackerNoon and the Sia Foundation Partner to Decentralize Tech Publishing

By @pressreleases [ 3 Min read ] HackerNoon is thrilled to partner with the Sia Foundation to back up its entire publishing archive. Read More.

GEAR: The Mental Model That Separates Scalers from Strugglers

By @Ted-Chalouhi [ 3 Min read ] The GEAR Framework: Turning Revenue into a Precision Machine by Ted Chalouhi Read More.

AI Didn’t Kill Sales. It Made It Unrecognisable and Better

By @Ted-Chalouhi [ 3 Min read ] The arrival of truly intelligent, always-on, AI-native revenue engines is dismantling the way we’ve structured go-to-market motions for 20 years. Read More.

A Data Engineers Guide to PyIceberg

By @confluent [ 2 Min read ] Learn how PyIceberg simplifies working with Apache Iceberg using Python—no JVM clusters needed. Ideal for small to mid-sized data lakehouses. Read More.

How to Fix Data Skew in Apache Spark with the Salting Technique

By @hacker32086803 [ 7 Min read ] Learn how to fix data skew in Apache Spark using the salting technique for improved performance and balanced partitions in Scala and PySpark. Read More.

Case Study: How We Built an AI-Based Moderation System

By @socialdiscoverygroup [ 6 Min read ] Explore how an online dating platform scaled AI moderation with ChatGPT, custom prompt engineering, and in-house data labeling to cut review time 60x. Read More.

Tech Made in Ukraine: The People Behind the Platforms We Use Every Day

By @mykolaoliiarnyk [ 4 Min read ] Discover how Ukrainian tech talent is driving global innovation through success stories like GitLab, Revolut, Grammarly, Wise, and Moss. Read More.

Closing the Feedback Loop: Building AI That Learns from Its Users

By @duycao [ 9 Min read ] Learn to build effective feedback loops for AI products, connecting real user signals to model metrics for continuous improvement and better performance. Read More.

🧑‍💻 What happened in your world this week?

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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 ✌️

This content originally appeared on HackerNoon and was authored by Noonification