Williams Liu.
A QA who learned to ship.
10+ years of software testing across gaming, education, media, blockchain, and AI platforms. Now bringing QA engineering rigor into AI agent workflows — hands-on with a self-designed dual-layer QA Orchestrator and an end-to-end test loop wired through Jira, MeterSphere, and Slack.
EXPLORE →test once,test forever.
Career archive
Five condensed entries from latest to earliest. Full resume on request.
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QA Engineer (AI Agent Architecture)
Create Intelligens Inc.Solo QA ownership across six product lines — member-engagement platform, LINE CRM, company site (Next.js monorepo), AI virtual-human system (Backend / Brain AI / TTS), and early-stage PoC validation.
- Self-designed dual-layer QA Orchestrator: each layer holds its own test memory and workflow playbook. Ironclad governance — release-gate confirmation, self-learning from defects, sensitive-data exclusion from version control, Prod-environment guardrails — auto-synced across agent configs. Git-versioned, auditable, reproducible.
- Stood up and operates the in-house MeterSphere v3 platform via AI cowork (Test Plan / Case / result writeback / step writeback / screenshot upload / batch update).
- Wired the full test loop with AI cowork: Jira ticket analysis → test plan & cases → mixed manual + automated execution (Playwright / Midscene) → writeback to test cases and Jira → final test report. Plus QA Filter, QA Weekly Bot (Slack incoming webhook), progress autosave, and work log.
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Software QA Engineer
Bityacht LimitedBuilt from 0 → 1 with experience plus AI cowork: manual test cases and plans, API test framework (Python + pytest with Cursor), Playwright web automation prototype, full test docs and reports.
- Reached ~34.9% API test coverage in two months without prior API docs.
- Layered OWASP cases into the API suite per security requirements — authorization flaws, SQL injection, XSS.
- Qase as TCM, pytest + Cursor as the API automation backbone.
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Performance QA Engineer → QA Deputy Manager (managing up to 4)
YATAI MANYU TECHNOLOGY CO., LTD. (FameEX / Top.one)QA for Top.one — a centralized blockchain trading platform: user info, KYC, address book, wallet assets, platform banners and announcement CMS.
- 0→1 testing across web / iOS / Android (Product A → Product B extension).
- Pre-spec meetings: risk + capacity assessment, cross-team alignment, logic confirmation.
- Authored test plans and cases as foundation for automation peers (regression / smoke).
- Production triage, defect localization, intake into dev workflow.
- Promoted to Deputy Manager — managed a 4-person QA pod.
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Software QA Engineer (EdTech, e-commerce, online learning)
OnePath Education Co., Ltd. (OneClass) + ITER TECHNOLOGY LTD.QA for OneTeacher (teacher-side) and OneClass (student-side) on web / iOS / Android — class schedules, booking, replay, post-class feedback, course-trial reservation. Spanned order-system rebuild (payments), back-office rebuild, product-customer points consumption.
- Shipped order-system rebuild; the new system delivered ≥30% revenue lift in its first month.
- Built a Postman-driven API monitor scheduling weekly health checks on critical endpoints.
- Full-stack QA (web PC / web H5 / Android / iOS) + Jenkins deploys + GitLab version verification.
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Game QA · Test Lead · Game Designer
Gamania Digital Entertainment → Chinesegamer International → Next Animation Studio → HAPPYTUK → Digiforce → BugstechThe formative years of my QA discipline.
- Gamania Digital Entertainment (2009-2011): Lead QA on MapleStory for 2 years; supported version tests for CSO / KartRider / Dragon Nest / Bnb / DNF; acted as test lead for 3 months during a re-org.
- Bugstech (2015-2017): Managed a 13+ person card-game QA team (3-shift, peaking at 50 people) — staffing interviews, KPI design, annual reviews, shift scheduling, cross-team coordination, on-site vendor exchange in the Philippines.
- Earlier rotated through game planning, game analysis, editorial, set-top box game dev — broad surface area, all feeding back into test instinct.
Lab notebook
Things I build to think clearly. Some live, some sleep, none pretend to be products.
- /01
DrawPicker — Lightweight Raffle Tool
● liveA browser-side raffle / random-pick utility — lightweight, no backend, supports custom candidate lists.
- /02
FakeSmith — Test Data Generator
● liveA Chrome extension born from a QA workflow — quickly generate, store, and export test data without leaving the browser.
- /03
WIL CRM — Takeout / Delivery Ordering System
◐ wipCustomer-side storefront of a multi-tenant restaurant CRM, with admin backend and order pipeline (Next.js 16 + Tailwind v4 + Postgres).
Featured work
Notable products I led, tested, or planned during my career — not personal side projects, but worth pointing at.
- 2023/3 — 2025/6
Top.one — Centralized Crypto Exchange
YATAI MANYU TECHNOLOGY CO., LTD. (FameEX)QA → Deputy Manager (led 0-1 launch, KYC, wallet, CMS testing)
- 2022/6 — 2023/3
OneTeacher / OneClass — Online Learning Platform
OnePath Education Co., Ltd. (OneClass)Full-stack QA across web / iOS / Android (teacher-side + student-side + order/payment system)
- 2025/8 — 2026/1
Bityacht — Crypto Exchange API QA
Bityacht Limited0-1 API test framework, 34.9% coverage in 2 months, OWASP cases
- 2009 — 2011
MapleStory — Online Game QA
Gamania Digital Entertainment Co., Ltd.Lead QA for 2 years; cross-supported CSO / KartRider / Dragon Nest / Bnb / DNF