Billie Tarroza

BILLIE JOSH ENRIQUEZ TARROZA-|- | Muntinlupa City, Metro Manila SUMMARY Results-driven Employee and AI Training Specialist with C2-level English proficiency. Experienced in AI model training, prompt optimization, marketing coordination, and financial documentation. Recognized student leader and Valedictorian with a strong background in data analysis, administrative systems, and high-impact content execution. Passionate about combining AI tools, structured workflows, and strategic marketing to drive measurable growth. EXPERIENCE Administrative and Marketing Associate (Graphic Campaigns) U-BIX Corporation Jan 2023 – June 2024 Supported daily office operations including document preparation, scheduling, and records management. Coordinated career talks and marketing initiatives engaging 200+ students and stakeholders. Assisted in campaign organization and communication workflows, improving internal coordination efficiency. Finance and Accounting Officer (Automation and Documentation) U-BIX Colleges, Inc. Aug 2024 – Jan 2025 Assisted in preparation of financial reports and maintained organized ledger documentation. Verified receipts and monitored expense tracking to ensure audit compliance. Improved documentation accuracy through structured recordkeeping processes. Assistant Manager (Creative Direction and Store Operations) Baby Mochie Aug 2023 – Dec 2023 Managed inventory systems, ensuring accurate stock levels and timely restocking. Assisted store owner with daily operations including supplier coordination and cash handling. Supported customer service operations while maintaining organized backend inventory records. PROJECT AI Training & Prompt Engineering Data Annotation Sep 2025 – Jan 2026 Conducted Reinforcement Learning from Human Feedback (RLHF) evaluations to improve AI response accuracy. Optimized prompts for clarity, reasoning precision, and factual correctness. Performed detailed fact-checking and linguistic analysis to refine multimodal AI outputs. EDUCATION Accountancy, Business, and Management U-BIX Colleges, Inc. • West Service Rd, Concepcion St, Buli, Muntinlupa, 1771 Metro Manila Computer Systems Servicing Muntinlupa Business High School-Main • Espeleta St., Buli, Muntinlupa, 1771 Metro Manila CERTIFICATIONS 〡 EF SET English Certificate | C2 Proficient: Reading: 80/100 Listening: 95/100 EF SET English Certificate | C1 Advanced: Verification: cert.efset.org/xvbn9y SKILLS AI & Data: RLHF, Prompt Engineering, Fact-Checking, Dataset Evaluation Marketing & Content: Content Strategy, Technical Writing (C1), Campaign Coordination Feb 2026 Sep 2025