Tim O

Mountain View, California, United States

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Summary

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Rockstar

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Top School

Tim O is a seasoned engineer who transitioned from an 18-year career as an enterprise architect for Fortune 500 firms into hands-on software development, bringing a pragmatic, systems-level perspective to cutting-edge projects. Based in Mountain View, he blends a decade of recent engineering experience with deep architecture instincts to solve complex backend and algorithmic problems. His notable open-source work includes substantial contributions to OpenFermion, where he enhanced quantum chemistry primitives and implemented ancilla-controlled rotations for trotterization—work that bridges theoretical quantum algorithms and practical tooling. Tim's background at large enterprises gives him a strong track record in designing scalable, auditable systems, and his move into quantum software highlights a curiosity for emerging tech and a willingness to tackle mathematically demanding domains.

9 years of coding experience

Purdue University

Github Skills (8)

quantum-computing10

algorithms10

quantum-chemistry10

quantum-algorithms10

python10

cirq9

jupyter-notebook8

ec8

Programming languages (2)

Jupyter NotebookPython

Github contributions (5)

quantumlib/OpenFermion

Feb 2018 - Dec 2020

The electronic structure package for quantum computers.

Role in this project:

Back-end Developer

Contributions:52 reviews, 15 commits, 47 PRs in 2 years 10 months

Contributions summary:Tim contributed significantly to the `openfermion` repository, enhancing the library's capabilities related to quantum chemistry and quantum algorithms. They implemented new functions for qubit operator manipulation, including trace norm calculations and renormalization. Furthermore, the user added functionality to the trotterization methods to incorporate rotations controlled by an ancilla qubit, which is crucial for quantum phase estimation. These changes, which involved modifying core operator classes and utility functions, suggest a strong focus on extending and improving the fundamental building blocks of the library.

electronic-structurequantum-computingquantum-algorithmscomputerselectronic

quantumsim/qsoverlay

Jan 2018 - Jul 2019

An overlay for the quantumsim package developed by Brian Tarasinski (https://github.com/brianzi/quantumsim)

Contributions:79 commits, 7 PRs, 24 pushes in 1 year 5 months

overlaybrianquantum-computing

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