Jasha Sommer-simpson
Software Engineer, PB Core at Hidden Road
New York, New York, United States
Summary
🤩
Rockstar🎓
Top SchoolJasha Sommer-simpson is a software engineer with a decade of experience building high-throughput, production-grade systems and ML pipelines, currently owning the billing engine for Hidden Road in New York. He co-founded and led engineering at a finance startup, where he designed real-time ML infrastructure for high-frequency derivatives trading and automated trade execution. A core contributor to Meta-sponsored open-source projects Hydra and OmegaConf, Jasha implemented impactful features like a config interpolation resolver and robustness fixes that scaled internal and community adoption. His background in statistics and mathematics from the University of Chicago informs a rigorous, data-driven approach to system design and type-safe configuration. Colleagues describe him as equally comfortable refactoring critical Python libraries and optimizing numerical C++ simulations, reflecting a rare mix of research depth and production focus.
10 years of coding experience
6 years of employment as a software developer
Master of Science - MS, Statistics, Master of Science - MS, Statistics at The University of ChicagoBachelor of Arts - BA, Mathematics, Bachelor of Arts - BA, Mathematics at University of Chicago
English
Stackoverflow
6,377reputation
2.9mreached
94answers
12questions
pytest
top-5%
python
top-5%
numpy
top-5%
Github Skills (22)
pytest10
python10
configuration-management10
command-line-interface10
data-structure10
typehinting10
configuration-file10
yaml10
command-line10
data-structures10
type-checking10
cli10
numpy9
interpolation9
unit-testing8
Programming languages (24)
Github contributions (5)
omry/omegaconf
Dec 2020 - Dec 2022
Flexible Python configuration system. The last one you will ever need.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:5 releases, 470 reviews, 209 commits in 2 years
Contributions summary:Jasha primarily contributed to the core functionality of the `omegaconf` library, focusing on type safety, and data structure manipulation. Their commits address issues related to key validation, type hinting, and resolving interpolations within dictionaries and lists. The user implemented features such as handling missing values and converting between different data representations. They also performed refactoring, added new features, and fixed bugs across multiple files, demonstrating expertise in Python and object-oriented design within the context of a configuration library.
yamlflexiblesystem-configurationpythonconfiguration
facebookresearch/hydra
Feb 2021 - Jan 2023
Hydra is a framework for elegantly configuring complex applications
Role in this project:Back-end Developer
Back-end DeveloperContributions:2 releases, 272 reviews, 189 commits in 1 year 11 months
Contributions summary:Jasha's contributions focused on enhancing the `facebookresearch/hydra` framework by implementing a new CLI flag, specifically the `--resolve` flag, which resolves config interpolations. They added new tests to verify the functionality of the `--resolve` flag in various scenarios, including cases with and without other flags, and handling different help templates. The user also fixed a typo in a dependency file and enabled usage of the `--resolve` flag with the `--help` flag.
pytorch-lightningcomplex-applicationsframeworkhydra
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