Nathan Rosidi·2d ago500 Applications, Zero Offers: Here’s What You’re Doing WrongFive reasons your data science job search isn’t working, and what to fix before sending another application.
InData Science CollectivebyNathan Rosidi·Jun 30Every Dataset Has a Personality DisorderEvery dataset has a personality, and most of them have a disorder.A response icon1A response icon1
InLevel Up CodingbyNathan Rosidi·Jun 10The AI Bubble’s Dirty Secret: Humans Behind the MachineEveryone’s chasing AI riches, but when the bubble bursts, engineers, not investors, will be left cleaning up the mess.A response icon2A response icon2
InData Science CollectivebyNathan Rosidi·May 29The Death of DashboardsThe analytics interface is changing faster than most teams realize.A response icon24A response icon24
InData Science CollectivebyNathan Rosidi·Apr 28The Truth About Data Science Salaries in 2026: Faang vs Everyone ElseFAANG pays more, but through a completely different compensation model and type of work.A response icon1A response icon1
Nathan Rosidi·Apr 6You Don’t Need to Be a Math Genius for Data ScienceLearn the truth about data science interviews and how deep you actually need to go into maths.
Nathan Rosidi·Mar 11Python Multiprocessing: Real Speed Gains Without the GIL HassleA quick guide to Python multiprocessing: Speeding up heavy Python tasks by running code in parallel, and knowing when to use threads or…
InData Science CollectivebyNathan Rosidi·Feb 24I found data leakage in a model that was already in productionHow target leakage in a SQL feature pipeline caused a 94% accurate model to fail in productionA response icon1A response icon1
InLevel Up CodingbyNathan Rosidi·Feb 13Why SQL SUBSTRING Is Your Secret WeaponI’ve explored the use of the SQL SUBSTRING() function to demonstrate its power in analyzing string formats, both for interview preparation…A response icon1A response icon1
InData Science CollectivebyNathan Rosidi·Jan 30The data scientist’s guide to running experiments without a large user basePractical ways to learn fast when traffic is limitedA response icon4A response icon4
