Mario Grebelski

About Mario Grebelski

Currently.I am a Senior Machine Learning Engineer on the ML Platform team at DocuSign. My focus lies in building distributed ML systems.Previously.I was a Machine Learning Engineer II on the TTR (Title Title Relevance) team at Amazon Prime Video, which powered the content behind ‘Customers also Watched’ and several other carousels. Before that I worked for a FTSE 100 company, building and maintaining a Warehouse Management System.

Experience

1. Senior Machine Learning Engineer

   Docusign

   May 2024 — Present · Seattle, WA, US

   Spearheaded Generative AI Innovation: Drove the development of high-impact Gen AI solutions, including graph/vector-based RAG, Agentic Frameworks, and Cache Augmented Generation (CAG), powering enterprise-grade features like “Chat with Data”, AI Extractions and Natural Language Search.Built Compliance-First AI Infrastructure: Led a team of 3 engineers to design and deploy DocuSign’s first compliant data labeling platform, ensuring adherence to strict data governance standards. Architected end-to-end systems including custom labeling tools, secure blob storage, CI/CD pipelines, and backend services, enabling scalable, auditable data workflows.Architected Secure Model Training Systems: Pioneered core components of DocuSign’s compliant model training platform, such as secure data copy pipelines and Azure ML infrastructure, enabling safe, enterprise-scale AI model development.

Education

• The University of British Columbia

  Exchange Program, Computer Science

  2018 — 2019

• Trinity College Dublin

  BA Moderatorship, Computer Science

  2016 — 2020