Founder, product architect, and AI systems builder. Enterprise experience. Startup execution.
Efren Macasaet brings enterprise engineering experience from Expedia Group, Walmart, CNN, and Shutterstock to AI-powered product development as a founder.
Enterprise Foundation
Inside these environments, I led large-scale system initiatives, solved complex platform challenges, and aligned cross-functional teams.
Founder Execution
Now I build AI-powered products that are:
AI-powered products built from zero to production — including SearchStrata.com, HomeForPup.com, CoffeeBrewNotes.com, and ExpatHelpers.com.
AI-powered strata (condominium) document analysis platform designed to help buyers and property owners quickly understand complex strata packages.
Founder & Product Architect
Community-driven platform for pet owners and breeders.
Founder & Product Architect
Mobile-first brewing journal and analytics platform for home coffee enthusiasts — log brews in seconds and discover what makes your best cups great.
Founder & Product Architect
Resource platform helping expats navigate relocation, legal, and lifestyle challenges abroad.
Founder & Product Architect
Platform engineering and distributed systems experience at Expedia Group, Walmart, CNN, and Shutterstock — proven at enterprise scale.
Built and contributed to large-scale platform initiatives across distributed systems and data ecosystems.
Worked within one of the world's largest retail infrastructures, navigating scale, performance, and reliability challenges.
Operated in high-traffic, media-scale systems where resilience and uptime are critical.
Contributed to content platform systems powering one of the world's largest creative marketplaces.
Building products and leading teams across Singapore, Hong Kong, London, Toronto, and Vancouver — adapting to diverse cultures, regulations, and user expectations.
Design principles centered on trusted AI, platform thinking, and systems that compound in value — guiding every product and architecture decision.
“AI must increase clarity, not hallucinate confidence.”
“Trust is the foundation of intelligent systems.”
“Platforms outperform isolated tools.”
“Scale exposes architectural shortcuts.”
“Founder velocity comes from technical depth.”
Perspectives on trusted AI systems, platform unification, context-aware data ecosystems, governance, and long-term systems design.
Building AI that users can verify and trust. Why explainability isn't optional — it's the product.
Read →Why unified platforms beat point solutions. The compounding advantage of shared infrastructure.
Read →Designing data systems that understand context, not just store records. Making data work harder.
Read →Using governance to accelerate, not slow down. Turning compliance into a competitive advantage.
Read →Architecting for the decade, not the quarter. Building systems that compound in value over time.
Read →Deep expertise spanning AI system architecture, RAG, structured document intelligence, platform strategy, explainable AI design, and scalable SaaS architecture.
Common questions about Efren Macasaet's work, expertise, and approach to AI product development.
Efren Macasaet specializes in AI product development and systems architecture, with deep expertise in large language models (LLMs), retrieval-augmented generation (RAG), AI agents, and scalable SaaS platforms. He combines enterprise engineering experience with founder execution to build intelligent systems at scale.
Efren has founded and built several AI-powered products: SearchStrata.com, an AI-powered strata document analysis platform; HomeForPup.com, a community-driven platform for pet owners and breeders; CoffeeBrewNotes.com, a mobile-first brewing journal and analytics platform; and ExpatHelpers.com, a resource platform for expats navigating relocation abroad.
Efren builds AI systems that are high-trust, explainable, and structured. He believes AI must increase clarity rather than hallucinate confidence, and designs citation-backed responses for trust and explainability. Every system is architected to be scalable from day one.
Efren has enterprise experience at Expedia Group, Walmart, CNN, and Shutterstock, where he led large-scale platform initiatives across distributed systems and data ecosystems. He has built products and led teams across Singapore, Hong Kong, London, Toronto, and Vancouver.
SearchStrata.com is an AI-powered strata (condominium) document analysis platform that helps buyers and property owners understand complex strata packages. It uses RAG to extract financial health indicators, flag litigation risks, analyze insurance coverage, and provide citation-backed AI Q&A over uploaded documents.
His core competencies include AI System Architecture, Retrieval-Augmented Generation (RAG), Structured Document Intelligence, Platform Strategy, Enterprise-to-Startup Translation, Explainable AI Design, Scalable SaaS Architecture, and Product Vision & Execution.
You can reach Efren Macasaet via email at efren@iwoork.com or connect with him on LinkedIn at linkedin.com/in/efrenmacasaet. His open-source work is available on GitHub at github.com/efrenmacasaet.