Mark Spencer — Computer Vision freelancer in Bacoor

I build production AI systems that automate real business operations. My work spans multilingual customer service pipelines, prompt security frameworks, and evaluation infrastructure — delivering 95%+ accuracy and ~90% cost reduction at scale. What I bring to your project: I've built and shipped 27+ production AI agents across 36 international markets, designed prompt injection security test suites with 100% pass rates, and engineered automated evaluation pipelines with 100-case benchmarks per agent. I've also optimized computer vision models to 98% classification accuracy under strict memory constraints. Beyond LLM systems, I've developed RAG pipelines using Pinecone, curated 30+ prompt templates for clinical applications, built a chatbot that reached 10,000+ visits, and shipped an AI-powered Python IDE with sub-1-second completions. Core expertise: Prompt Engineering, LLM Pipeline Architecture, AI Agents, NLP, RAG, Multi-Agent Systems (LangChain), Computer Vision, Python, Evaluation Frameworks Background: CS graduate from DLSU-Dasmariñas (3.7 GPA), Institutional Thesis Competition Overall Champion against 100+ theses, Top Rated Upwork contractor. I treat every project like it's my own product. Let's talk if you're building something that needs to work.