Oleksiiย Trekhleb
Senior Software Engineer at Uber
San Francisco, California, United States
Summary
๐คฉ
Rockstar
Top expert inMulti-Platform App Development and Algorithm Mastery
Oleksii Trekhleb is a Senior Software Engineer with 11 years of experience based in San Francisco, currently at Uber, who blends practical backend engineering with hands-on machine learning work. He is a prolific open-source contributor known for the widely used javascript-algorithms repo and for producing clear, educational ML projects that span Python, Octave, and JavaScript. His contributions range from implementing core data structures and unit tests to building CNN-based image classifiers, linear regression demos, and a NanoNeuron toy modelโshowing comfort from low-level algorithms to applied deep learning. Equally comfortable on the front end, heโs implemented React-based image manipulation UIs and thoughtful visualization pipelines that make models accessible. Colleagues find him both technical and pedagogical: he consistently writes code that teaches as well as performs.
11 years of coding experience
Stackoverflow
2,633reputation
4.4mreached
27answers
4questions
algorithm
top-5%
Github Skills (40)
algorithm10
unit-testing10
algorithms10
javascript10
artificial-intelligence10
gradient-descent10
py10
python10
image-classification10
css10
machine-learning10
machine-learning-algorithms10
numpy10
linear-regression10
mask-rcnn10
Programming languages (9)
Github contributions (5)
trekhleb/js-image-carver
Apr 2021 - Oct 2022
๐
Content-aware image resizer and object remover based on Seam Carving algorithm
Role in this project:
Front-end Developer
Front-end DeveloperContributions:74 commits, 8 pushes, 3 issues in 1 year 6 months
Contributions summary:Oleksii contributed to the front-end development of a content-aware image resizer. They implemented and modified React components, including the main application, image resizer, and supporting UI elements. Their work involved integrating and utilizing image manipulation utilities, as well as setting up the basic structure of the application using create-react-app. Several commits focused on enhancing the user interface and improving the overall user experience.
image-manipulationimage-processingjavascriptresize-imagesseam-carving
trekhleb/machine-learning-octave
Oct 2018 - Jul 2020
๐ค MatLab/Octave examples of popular machine learning algorithms with code examples and mathematics being explained
Role in this project:ML Engineer / Data Scientist
ML Engineer / Data ScientistContributions:163 commits, 2 PRs, 150 pushes in 1 year 8 months
Contributions summary:Oleksii contributed significantly to the implementation of machine learning algorithms within the repository. They implemented linear regression using gradient descent and normal equation approaches. They also worked on logistic regression, including regularization techniques, and demonstrated proficiency by developing a neural network for digit recognition. The user's contributions focus on core machine learning concepts and their practical application.
pythonexplainedmatlabdata-sciencemachine-learning-algorithms
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