Jose Ortiz
Senior Research Scientist at Databricks Mosaic Research
San Francisco, California, United States
Summary
🤩
Rockstar🎓
Top SchoolJose Ortiz is a senior research scientist at Databricks Mosaic Research with 12 years of experience building and scaling foundational models and production ML systems. An MIT PhD, he has driven LLM fine-tuning and reinforcement learning research for DBRX while previously contributing to distributed training and model interpolation studies at Facebook AI and Microsoft. He blends deep theory and practical engineering—shipping fast, scalable model code and UI-focused open-source improvements such as dark-mode and UX fixes to the widely used Missing Semester project. Based in San Francisco, Jose has a track record spanning C++ high-performance bioinformatics tools at CERN to applied healthcare signal processing and embedded accessibility projects, reflecting a persistent focus on performance and user impact.
12 years of coding experience
9 years of employment as a software developer
Doctor of Philosophy - PhD Computer Science, Doctor of Philosophy - PhD Computer Science at Massachusetts Institute of TechnologyExchange Program Computer Engineering, Exchange Program Computer Engineering at University of Michigan College of EngineeringBachelor’s Degree Telematics Engineering, Bachelor’s Degree Telematics Engineering at Universidad Pontificia ComillasBachillerato Científico Tecnológico Premio al aprovechamiento académico, Bachillerato Científico Tecnológico Premio al aprovechamiento académico at Colegio Valdeluz
Spanish, English, French, German
Stackoverflow
478reputation
33kreached
2answers
13questions
Github Skills (18)
theming10
css10
front-end-development10
html10
darksky9
darkmode9
javascript8
multiprocessing6
concurrency6
markdown-it6
coq6
destructor6
windows6
python6
asynchronous6
Programming languages (17)
Github contributions (5)
missing-semester/missing-semester
Dec 2019 - May 2020
The Missing Semester of Your CS Education 📚
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:38 commits, 1 PR, 34 pushes in 5 months
Contributions summary:Jose primarily contributed to the front-end of the repository by making styling and theming changes. They implemented dark mode functionality and fixed CSS issues related to font rendering and link styling. The user also updated the user interface with minor adjustments, including adjustments to the layout and design and improving the overall aesthetics of the project. The user also integrated documentation elements, showing an awareness for the user experience.
missing-semesterthe-missing-semestersemestermissing
JJGO/scratch
Oct 2017 - Nov 2021
Contributions:40 pushes in 4 years 1 month
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.