About ValidTec

Software Testing for the AI Era

Learn what ValidTec covers, who it is for, how the learning tracks are organized, and where to start.

About ValidTec

ValidTec is a software testing and QA learning platform focused on modern test automation, Playwright, Cypress, PywinAuto, FlaUI, Promptfoo, Deepchecks, AI testing, evaluation harnesses, and agentic QA systems. The site helps testers and engineering teams learn faster through guided tracks, practical reading lists, and real-world implementation ideas.

Created and maintained by Waiki Sin, a senior software testing engineer, ValidTec is built to help testers strengthen release confidence, improve quality practices, and stay effective in the AI era.

Follow ValidTec on LinkedIn for articles, books, updates, Podcasts and practical examples in software testing and AI evaluation.

Waiki Sin, creator of ValidTec

About the Creator

Waiki Sin

Senior Software Testing Engineer · Creator of ValidTec

Waiki Sin is a senior software testing engineer with more than 15 years of experience in software quality assurance, test automation, financial applications, and leading testing initiatives.

Through ValidTec.net, he shares practical approaches to modern test automation, AI-assisted testing, LLM evaluation, agentic QA workflows, and building reliable software in the AI era.

His work keeps established testing practices—sound test design, traceability, repeatable execution, and professional QA judgment—at the center of how new AI tools are adopted.

FAQ

Where are the full article lists?

Each learning track now has its own dedicated page. The homepage stays focused on discovery and navigation.

Where should I start?

Choose the track that matches your current testing problem, then use its playbook when available or begin with the curated articles.

Which track covers modern test automation?

Track 5 covers platforms, Playwright workflows, and flake control.

Which tracks cover AI quality?

Track 1 covers agentic QA orchestration, Track 3 covers evaluation harnesses and contracts, and Track 7 covers shipping copilots and agents with confidence.