Technical practice / selected experience

Software and ML Engineering

AI/LLM・MLOps・Engineering Leadership・Full-stack Development

Work History

YearCompanyRole
2024ーMercari, Inc. (Tokyo) launch
Engineering Manager, AI/LLM TeamSep 2025 - Present
Tech Lead / Embeddings Salesman, AI/LLM TeamMay 2024 - Aug 2025
ML/Full-stack Engineer, LLM/GenAI TeamFeb 2024 - May 2024
2022-2024555 Comic (Tokyo / Remote) launch
Machine Learning Engineering Manager / Tech Lead · Series Creator / ShowrunnerMar 2023 - Jan 2024
Machine Learning Engineer / Tech Lead · Creator / ShowrunnerMay 2022 - Mar 2023
2020-2022Retail AI, Inc. (Tokyo) launch
MLE/SRE Tech Lead
2018-2020Cogent Labs Inc. (Tokyo) launch
Full-stack Engineer
UI/UX Designer
2015-2017i-BRIDGE Systems Inc. (Manila/Yokohama) launch
Mobile Application Engineer
UI/UX Designer
2014-2015Azeus Systems Ltd. (Manila) launch
Frontend Engineer
UI/UX Designer

Tech Stack

  • LLMs, embeddings, search/recommendation, RAG, prompt engineering
  • ML deployment, monitoring, evaluation, Triton, feature stores
  • GCP/Azure/AWS, Kubernetes, Terraform
  • Backend, frontend, iOS, Android, and web development

Research & Papers

  1. 2026
  2. 2025
  3. 2025
  4. 2025
  5. 2018

Qualifications

  • N1 Japanese Language Proficiency Test (2021)
  • BS Computer Science, University of the Philippines (2014)