Mikołaj Sacha
Lead Machine Learning Engineer at Upwork
Krakow, Lesser Poland Voivodeship
Summary
👤
Senior🎓
Top SchoolMikołaj Sacha is a Lead Machine Learning Engineer based in Krakow with 10 years of experience building production-grade AI systems across startups and industry. He combines deep academic training (PhD work in Technical Computer Science at Jagiellonian University) with hands-on leadership, most recently shaping foundation models that fuse knowledge graphs and generative AI at Upwork. Previously he led ML research and engineering at Molecule.one, delivering AI-driven chemical synthesis planning, and cut his teeth on NLP search and recommendation systems. Comfortable moving between research and product, he excels at turning complex scientific ideas into reliable, team-scaled solutions. A longtime machine learning enthusiast, he pairs rigorous experimentation with practical deployment experience that often sits behind the scenes of user-facing AI features.
10 years of coding experience
8 years of employment as a software developer
PhD Technical Computer Science, PhD Technical Computer Science at Jagiellonian University
Polish, English
Github Skills (11)
duke8
molecule8
tao8
image-recognition7
graph6
modeling6
deep-learning5
pytorch5
prediction4
machine-learning3
reactivity2
Programming languages (2)
Github contributions (5)
gmum/proto-segmentation
Mar 2022 - Mar 2023
This code package implements the prototypical part network (ProtoPNet) from the paper "This Looks Like That: Deep Learning for Interpretable Image Recognition" (to appear at NeurIPS 2019), by Chaofan Chen* (Duke University), Oscar Li* (Duke University), Chaofan Tao (Duke University), Alina Jade Barnett (Duke University), Jonathan Su (MIT Lincoln Laboratory), and Cynthia Rudin (Duke University) (* denotes equal contribution).
Contributions:189 commits, 184 pushes, 1 branch in 11 months
image-recognitionlaboratorychencynthianeurips-2019
mikolajsacha/meta_learning_experiments
Mar 2018 - Jun 2018
Contributions:23 commits, 23 pushes, 2 branches in 2 months
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