Demetri Nicolaou
Software Engineer at Stripe
Chicago, Illinois, United States
Summary
🤩
Rockstar🎓
Top SchoolDemetri Nicolaou is a software engineer with eight years of experience building high-performance bioinformatics and ML infrastructure, currently applying his expertise at Stripe. He led development of GRAIL’s clinical-grade bioinformatics pipelines in Go, invented contamination-detection algorithms that improved model sensitivity, and helped validate pipeline modules in a >20,000-sample clinical study. Comfortable across Golang, Python, TensorFlow, and workflow systems like Reflow, he has optimized large-scale workflows (including a 20% memory reduction) and crafted FDA-focused documentation and testing frameworks. Demetri blends hands-on algorithm design with production engineering and mentorship—he’s mentored teams on CI/CD and helped resolve sample swaps in cohorts of 10,000+ patients—bringing a rare mix of regulatory, clinical, and systems-level perspective to data-driven product delivery.
7 years of coding experience
7 years of employment as a software developer
University of California, Los Angeles
English, French
Github Skills (22)
reproducible-science10
cloud-computing10
aws10
golang10
mutation10
data-science9
spark9
java9
kafka9
data-processing9
scientific-computing9
wdl9
big-data8
bam4
bioinformatics4
Programming languages (1)
Github contributions (4)
grailbio/reflow
Aug 2019 - Jun 2021
A language and runtime for distributed, incremental data processing in the cloud
Contributions:71 commits, 2 PRs, 1 branch in 1 year 10 months
runtimeawsmutationcloud-computingdata-science
tyler-cowls/CM124-EM
May 2018 - May 2018
Contributions:6 pushes in 1 day
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