Designed a cron-driven testing workflow with reusable tracking and retryable error handling to automate recurring OCR validation across manual and scheduled test runs

Leveraged technical expertise to create educational content, including tutorials, blockchain articles, and dApp manuals, expanding the Mandarin community.

Designed a hybrid AI workflow that balanced generated content with real product constraints by introducing a two-stage selection pipeline, enabling reliable interior design outputs before sufficient product data was available.

Designed a two-stage caching system using fuzzy prompt matching and embedding-based semantic similarity, reducing API costs by over 60%.

Designed and implemented a high-concurrency queueing system to eliminate race conditions, reducing failed writes by over 99% under peak load.

Implemented a hybrid authentication system combining crypto wallet signature verification and JWT tokens, enabling secure, stateless sessions across multiple platforms.

Drove a time-critical migration from Twitter API v1 to v2 in response to policy changes, designing a caching-based solution that reduced monthly API costs from $5,000 to $200 with no user-facing disruption

Developed a free, interactive LINE dApp game on the KAIA blockchain using ethers.js, enabling real-time gameplay and wallet integration; scaled to 150,000+ users and deployed via Vercel and Heroku.

Engineered client-side deterministic RNG using signed seeds to reduce backend API calls by 70%, ensuring verifiable game state and improved scalability.

Implemented multilingual support using i18n (next-intl), translating in-game content and UI into English, Mandarin, Japanese, and Korean to enhance accessibility and engagement for a diverse LINE user base.

Built and operated a production news media platform, applying SEO best practices that improved search visibility and boosted rankings by 5 pages.

Implemented an internationalization (i18n) system to support multilingual content, driving a 23% increase in international traffic.

Designed and operated an air-gapped blockchain node infrastructure, isolating private keys and enforcing industry-standard security practices to secure over $9M in digital assets.