Practical writing on software engineering, AI tooling, and solo-founder strategy — from someone actually building and shipping.
Featured articles
TechSee all →
- GPT-6 Astra: What the Benchmarks Actually Show
- Unreal MCP: How Claude Code Now Drives the Unreal Editor Directly
- When Do AI Glasses Developer Platforms Actually Open? A 2026 Timeline
- 3D Gaussian Splatting vs Unreal Engine: Two Ways to Build a 3D World - and Where Each One Ships
- LLMs Inside Unreal Engine: The New Skills Game Developers Need in 2026
BusinessSee all →
- The Duolingo Founder Story: Luis von Ahn, a Green Owl, and the Plan to Make Education Free
- The Midjourney Founder Story: David Holz, the Company That Took No VC Money, and the $500M Bootstrap
- The Figma Founder Story: Drones, a Meme Generator, and the $20 Billion Deal That Got Blocked
- The Spotify Founder Story: How Daniel Ek Beat Free Music by Being Faster Than Theft
- The Stripe Founder Story: Two Brothers From Limerick and Seven Lines of Code
InvestmentSee all →
- Elon Musk's X Money Says It Will Pay You 6% on Savings. Is It Too Good to Be True?
- Commercial Real Estate Investing: The Complete Guide
- Samsung vs SK Hynix: the HBM battle that will decide Korea's AI chip future
- The end of jeonse and what it means for renters in Korea
- TSMC and the AI chip bottleneck Wall Street can't price correctly
Common SenseSee all →
- ISA: the Korean tax-free savings account most people don't use
- This Summer's Heat Wave: Key Points of the 2026 Vulnerable Population Protection Plan
- Majoring in AI or Software? Don't Miss the New AI Academic Incentive Student Loan
- Today's Financial Benefit: 2026 Small Business Stability Voucher (Up to 250,000 KRW)
ReadingSee all →
8 Sep
GPT-6 Astra: What the Benchmarks Actually Show
5min25 Aug
Weekly Retrospective - Last Week of August, 2026
2min25 Aug
Unreal MCP: How Claude Code Now Drives the Unreal Editor Directly
5min25 Aug
When Do AI Glasses Developer Platforms Actually Open? A 2026 Timeline
4min12 Jul
Weekly Retrospective - July Week 2, 2026
1min6 Jul
Weekly Retrospective - July Week 1, 2026
1min6 Jul
The Duolingo Founder Story: Luis von Ahn, a Green Owl, and the Plan to Make Education Free
7min6 Jul
3D Gaussian Splatting vs Unreal Engine: Two Ways to Build a 3D World - and Where Each One Ships
7min2 Jul
LLMs Inside Unreal Engine: The New Skills Game Developers Need in 2026
5min2 Jul
The Midjourney Founder Story: David Holz, the Company That Took No VC Money, and the $500M Bootstrap
5min2 Jul
Living With Claude Fable 5: How the Most Capable Model Changes the Way You Actually Work
5min29 Jun
Luma's Bet: From Video Generator to a Single Model That Thinks in Pixels
5min29 Jun
The Figma Founder Story: Drones, a Meme Generator, and the $20 Billion Deal That Got Blocked
5min28 Jun
Weekly Retrospective - June Week 4, 2026
1min28 Jun
The Spotify Founder Story: How Daniel Ek Beat Free Music by Being Faster Than Theft
7min26 Jun
The Best AI Video Models in 2026: Types, Differences, and Where This Is All Going
6min25 Jun
Claude Fable 5 and Mythos 5: What the New Models Change, and How They Perform
5min24 Jun
The Stripe Founder Story: Two Brothers From Limerick and Seven Lines of Code
5min24 Jun
The Replit Founder Story: From a Browser Hack in Amman to a Billion-Dollar IDE
5min22 Jun
Elon Musk's X Money Says It Will Pay You 6% on Savings. Is It Too Good to Be True?
4min22 Jun
The Nvidia Founder Story: A Denny's Booth, a Sega Bailout, and 30 Days From Death
6min22 Jun
Anthropic Shipped Its Most Powerful Claude Yet - Then the US Government Pulled the Plug
5min21 Jun
Weekly Retrospective - June Week 3, 2026
1min20 Jun
When You Should NOT Use Sub-Agents
6min20 Jun
The Notion Founder Story: Noodles, Kyoto, and a Rewrite That Saved the Company
6min20 Jun
From Agent Engineering to Harness Engineering to Loop Engineering
6min20 Jun
Commercial Real Estate Investing: The Complete Guide
10min19 Jun
How to Research Your App's Target Audience (With Real Examples)
5min18 Jun
Why Developers Leave Claude for Open-Source Models
5min18 Jun
From Side Project to Acquisition: The Moltbook Story
4minWhat does Lief Tech cover? Backend engineering with Spring Boot and Python, cloud infrastructure, AI-powered product development, stock market analysis, real estate, and personal finance.
Who writes Lief Tech? A software engineer and founder with hands-on experience across backend systems and solo product operations. New posts several times a week.