I teach what I learn, connect ideas, and turn them into products and content. Follow six bodies of work to see what holds my attention and how I act on it.
THE PERSON BEHIND THE WORKHello, I'm
Career Hacker Alex.
Career Hacker AlexAlex Sanghyeon Ahn
Meta · Senior Staff Software Engineer (E7)Agent Memory tech lead · AX
I put AX into practice at Meta
and share what I learn about work and growth
with 195,000 subscribers.
A Silicon Valley engineer's guide totime, financial, and emotionalfreedom
I teach what I learn, connect ideas, and turn them into products and content. Follow six bodies of work to see what holds my attention and how I act on it.
I create content to help people develop the skills they need in the AI era.
Learn to apply AI to real work through full courses, seminars, and focused lessons.
INTEREST
AI native work × practical learning
FROM → TO
Concept → hands-on practice → work
AI native work × practical learning · Concept → hands-on practice → work
The AI Native guide for 25 million office workers · 12 hours · 12 chapters · 12 toolsExplore the lecturesThe real brain a lecture slide introduced
02 / 06 · KNOWLEDGE
I share my 'Second Brain' agent
with you.
Explore the connections between recorded ideas. Follow a subject and discover a different path through the collection.
INTEREST
Connected knowledge × personal AI
FROM → TO
Notes → links → a knowledge map you can question
Connected knowledge × personal AI · Notes → links → a knowledge map you can question
The real knowledge graph · 383 nodes · 1,807 linksExplore Second BrainThe product recorded in the brain
03 / 06 · PROJECT
I automate YouTube intelligence
with AI.
Turn a short idea into YouTube thumbnails. A practical tool built from the experience of running a channel.
INTEREST
AI × creator tools
FROM → TO
One video idea → distinct thumbnail directions
AI × creator tools · One video idea → distinct thumbnail directions
8 thumbnails AutoKliq actually madeOpen AutoKliqThe channel the thumbnails are made for
04 / 06 · YOUTUBE
I explain AI so everyone can understand it.
Stories about working in Silicon Valley, AI tools, and careers. Experiences and experiments, shared on video.
INTEREST
Silicon Valley × AI × careers
FROM → TO
First-hand experience → a film people can follow
Silicon Valley × AI × careers · First-hand experience → a film people can follow
195,000 subscribers Top videos: 302K · 105K · 97K views · as of 2026-09-24Watch on YouTubeFrom a video about reports to the reports
05 / 06 · RESOURCES
I share all my know-how.
A collection of guides, reports, and reference documents I have created. Find what you need and put it to use.
INTEREST
Reports × guides × references
FROM → TO
Research and experiments → reusable material
Reports × guides × references · Research and experiments → reusable material
Report · 2026-08-09 · The AX Talent War 2026 — A New Way to Identify TalentBrowse the resourcesThe note clipped to the reportPost · 2026-09-26 · Assembling a music video in code — how "Ddalkkak" was built
06 / 06 · WRITING
I've put all my experiences into writing.
Reflections on work, technology, and careers. A collection of lived experiences and questions worth staying with.
INTEREST
Work × technology × careers
FROM → TO
A persistent question → a readable field note
Work × technology × careers · A persistent question → a readable field note
THE PERSON BEHIND THE WORKHello, I'm
Career Hacker Alex.
Reduced-motion view: every scene is shown as a still image.
THE PERSON BEHIND THE WORK
Hello, I'm
Career Hacker Alex.
I'm a Senior Staff Software Engineer (E7) at Meta and the tech lead for Agent Memory in AX. I run Career Hacker Alex on YouTube, teach AI courses, and build AutoKliq, a YouTube intelligence SaaS.
I studied Computer Science and Applied Math & Statistics at Johns Hopkins. After serving in the Korean Army and interning at Moloco in Palo Alto, I joined Meta in 2018.