Dariuš Butkevičius
Staff Machine Learning Engineer at FittyAI
San Francisco Bay Area United States
Summary
👤
Senior🎓
Top SchoolDariuš Butkevičius is a Staff Machine Learning Engineer and founder with 11+ years building production-grade AI systems across startups and enterprises, now based in the San Francisco Bay Area. He has led teams of 10+ engineers and researchers to deliver ML pipelines processing millions of events daily, shipped LLM-based tools and generative-AI products, and founded AI-first startups in fitness tech that tracked 175k+ workouts in production. His work spans fraud detection, NLP, data platforms and RAG/LLM applications, and he bridges product strategy with hands-on engineering—having owned roadmap, growth and technical delivery as CEO/CTO. Notably, he scaled a generative knowledge curation capability into a core $0.5B business-unit deliverable referenced by IDC, showing an ability to move advanced research into measurable business impact.
11 years of coding experience
12 years of employment as a software developer
Data Engineering, Data Engineering at Aalborg UniversitySecondary, Secondary at Vilnius Simon Konarsky Secondary SchoolOther; Certificate in Organizational Leadership, Other; Certificate in Organizational Leadership at Harvard Business School OnlineMaster's degree Computer Science, Master's degree Computer Science at Vilniaus universitetas / Vilnius UniversityPhysics, Physics at Junior Physics School “Photon”Mathematics, Mathematics at Lithuanian School for young mathematicians at Vilnius University
English, Lithuanian, Polish, Russian
Github Skills (2)
virus5
react3
Programming languages (1)
Github contributions (5)
D-a-r-e-k/IrrationalNumbers
Dec 2016 - Jan 2017
Contributions:55 pushes, 1 branch in 1 month
D-a-r-e-k/Code-Smells-Detection
May 2019 - May 2019
Contributions:5 commits, 6 pushes, 1 branch in 8 days
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