Patrick James Mendoza

QA Automation Engineer with 2+ years of experience in software quality assurance, test automation, and AI quality evaluation across enterprise applications and generative AI products. Experienced in manual and automated testing, reducing regression testing by 75% through Cypress automation, and validating AI systems using prompt engineering, guardrail design, and edge-case testing across OpenAI GPT-4o/o1, Claude 3.5 Sonnet, and Gemini 1.5 Pro.

QA Engineer - Rakso CT - Hybrid, Makati, Philippines

(2024-09)

• Lead end-to-end quality assurance for a nationwide enterprise platform comprising multiple systems with complex role-based functionality.
• Coordinate testing activities across 8 developers supporting concurrent software releases.
• Maintain 200+ active test cases supporting 2 major and 6 minor client releases each month.
• Implemented Cypress automation, reducing repetitive regression testing by 75% while enabling greater focus on exploratory and edge-case testing.
• Achieve a 70% clean release rate, with most deployments requiring zero or only minor post-release fixes.
• Investigate defects, perform root cause analysis, verify fixes, and communicate release readiness with developers, business analysts, and stakeholders.

Product Owner — AI Quality & Prompt Engineering - Arnold AI - Remote, Austria

(2025-03 - 2025-11)

Part-time, Project-Based Contract

• Managed the AI product backlog, overseeing 10+ backlog items per week and coordinating 4 production releases per month for a generative AI platform.
• Designed AI guardrails and standardized prompt templates, improving response consistency across 10 core AI scenarios and 50+ edge-case validation scenarios.
• Validated 50+ AI prompts for accuracy, consistency, business-rule compliance, and reliability across GPT4o/o1, Claude 3.5 Sonnet, and Gemini 1.5 Pro.
• Collaborated with AI engineering and cybersecurity teams to identify edge cases, validate AI behavior, and improve production readiness before deployment.
• Facilitated release planning and stakeholder alignment with 4 key stakeholders, ensuring AI features met business, quality, and safety requirements.

CRM Integration & Automation Specialist - The Pont Agency - Remote, Australia

(2024-11 - 2025-03)

Part-time, Project-Based Contract

• Validated end-to-end CRM workflows and automation built with Zoho CRM and Zapier, ensuring production readiness before deployment.
• Verified data integrity and synchronization across workflows processing approximately 1,000 customer records daily.
• Identified workflow defects and automation issues before deployment, improving integration reliability.
• Collaborated with stakeholders to ensure CRM solutions met business requirements before go-live.

Bachelor of Science - Computer Science - Batangas State University – Alangilan (2024)