All Posts

Published on
May 31, 2026
More Than "Vibe Coding": 1B Tokens and an App That Never Launched
Vibe-Coding Agentic-Engineering Startup Product Personal Lessons
A candid post-mortem of an app I built solo with AI agents and never shipped, covering not just vibe coding and engineering discipline, but build-vs-buy, deployment in China, cost control, regulation, and working with a co-founder.
Published on
September 2, 2025
Java Virtual Threads: A Practical Overview
Java Virtual-Threads System-Design
Why I migrated to Java 21 for a high-throughput data pipeline: An overview on Virtual Threads, replacing reactive complexity with blocking simplicity, and understanding the magic under the hood.
Published on
June 22, 2025
Software 3.0 Is Here: Reflections on Andrej Karpathy's 'Software Is Changing (Again)'
AI LLM Career Note-Taken
A thought on Karpathy's three-layer software evolution 1.0, 2.0, 3.0
Published on
June 5, 2025
My Software Engineer Interview Experience (II)
Interview Algorithm Singapore Personal System-Design
Continuing my SDE interview journey with more technical challenges, system design questions, and valuable insights.
Published on
May 14, 2025
My Software Engineer Interview Experience (I)
Interview Algorithm Singapore Personal
Mapping my SDE interview journey—screens, coding, design, and behavioral—with essential tips and lessons.

More Than "Vibe Coding": 1B Tokens and an App That Never Launched