Jan Marner Verastigue — Solutions Architect & QA Lead

Jan Marner E. Verastigue — Solutions Architect | QA Lead

Test Automation & Quality Engineering · 15+ years · GienTech Singapore, Solutions Architect, Dec 2015–Present · Singapore

Stock exchange: modern Playwright/TypeScript E2E replacing legacy tooling; 8,000+ test cases automated in Tricentis Tosca; ~1,000 JMeter performance scenarios orchestrated end-to-end (~75% effort cut).
Banking: multi-platform automation (Selenium, Appium, UFT, Serenity/Zephyr/Jenkins, Perfecto) and LoadRunner/Performance Center testing of mission-critical processes.
Gaming: test automation strategy for a regulated platform — jackpot, bonus and compliance scenarios across jurisdictions via Tosca TDM/DEX.
Telco: core team on the in-house OmniTest tool; Siebel CRM regression; predictive object identification for resilient scripts.
R&D: test reusability architecture, GitLab-to-Jenkins CI/CD, voice-driven test triggering, OWASP Top 10 security testing.
AI engineering: Claude API, RAG, MCP servers, agents, skills, workflows and agentic loops — this site itself was built by an AI agent under direction.
Foundations: campus network architecture (Cisco IOS/ASA, 40+ APs), BSc Computer Science (2008). Tosca certified: AE1, AS1, AS2, TDS1, TDS2.