About Shih-Wen Su
Shih-Wen Su is a tech founder and writer based in Tokyo and Fukuoka. With over 16 years in global software development and 8+ years embedded in Japan’s tech industry, he writes from direct experience — not theory.
Before founding HelloWorldJapan.com and Dawnlight LLC, Shih-Wen served as CTO at Caulis, a cybersecurity and fraud detection firm listed on the Tokyo Stock Exchange. That time inside a Japanese company — from growth stage through listing — shapes how he reads the industry and what he chooses to write about.
Expertise & Specializations
Engineering Leadership: Scaling high-performance dev teams and navigating IPO-track environments.
Modern Tech Stack: Deep knowledge in Full-stack development, Cloud architecture, and AI-driven systems.
Security & Fintech: Specializing in fraud detection and cybersecurity protocols within the Japanese market.
Career Architecting: Helping foreign software engineers navigate visa policies, salary negotiations, and cultural integration in Japan.
Today, Shih-Wen is dedicated to democratizing access to the Japanese tech industry. Through AI-powered recruiting and personalized career support, he helps international engineers build sustainable, high-impact lives in Japan. Whether you are a Rust developer looking for a fintech role or a Cybersecurity expert eyeing Tokyo, Shih-Wen provides the roadmap to turn that transition into a reality.
