THE BLOG · BY HUSNY JEFFREY

Practical guides.
First-hand experience.

Lessons from living in Singapore, building software, and testing AI systems. Written from experience, to help you take the next step.

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✈️ Visa & Travel Guides 11 guides

Visa & Travel Guides

Step-by-step visa applications and travel guides for Singapore residents — Malaysia, Vietnam, Schengen, Turkey, Indonesia, Thailand and more.

💰 Cost of Living in Singapore 12 guides

Cost of Living in Singapore

Real numbers, updated year after year — living costs for singles, couples and families, rentals, insurance and more.

🇸🇬 Settling into Singapore 7 guides

Settling into Singapore

The practical checklist for new residents: bank accounts, must-have apps, address updates, work passes and home services.

💼 Tech Careers 6 guides

Tech Careers

Landing and growing a tech job in Singapore — job hunting, CVs, LinkedIn, benefits and coaching.

💳 Money & Finance 9 guides

Money & Finance

Managing money as an expat — remittances to Sri Lanka, credit scores, balance transfers and tax-free side income.

🤖 AI & LLM Evaluation 4 guides

AI & LLM Evaluation

Testing AI systems: RAG explained, context precision and recall, and hands-on LLM evaluation with RAGAS.

🧪 Software Testing & QA 3 guides

Software Testing & QA

Field notes from a decade in quality engineering — test case management, planning and automation strategy.

🛠️ DevOps for Beginners 4 guides

DevOps for Beginners

A hands-on introduction to deployment — Tomcat, Jenkins and building your first microservice.

❤️ Giving Back 2 guides

Giving Back

Supporting the education of students in need in Sri Lanka.

🗣️ Opinion 1 guide

Opinion

Personal takes on civic issues and policy — not guides, just what I think.

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