Sam Kovaly is a data scientist and machine learning engineer with 8 years of hands-on experience building end-to-end ML systems, from raw time-series data ingestion to lightweight models that meet embedded constraints. Based in Cambridge, MA, he has strong applied expertise in biosignal processing (EMG/IMU), having built a wrist-lift detector with ~0.97 F1 and designed a concurrent optimization library to accelerate parameter tuning across large datasets. Sam combines backend and DevOps skills—contributing scheduled-run APIs and Celery/RabbitMQ infrastructure to the popular open-source Orchest project—with production ML workflows on Vertex AI and BigQuery. He also brings a research mindset from UMass Amherst (co-author on a NAACL paper) and practical full-stack experience, enabling him to bridge data engineering, model development, and deployment in resource-constrained environments.
8 years of coding experience
5 years of employment as a software developer
UMass Lowell
Master of Science - MS, Computer Science, Master of Science - MS, Computer Science at University of Massachusetts Amherst
Contributions:6 commits, 1 PR, 5 pushes in 13 days
Contributions summary:Sam focused on enhancing the Orchest API and its associated infrastructure, implementing scheduled pipeline functionality. This involved the creation of a new API endpoint for scheduled runs, along with the integration of Celery for task scheduling and database management. They also made several infrastructure improvements, including setting up persistent RabbitMQ queues and making changes to the Docker configuration. In addition, the user made updates to the deployment scripts (e.g. `orchest.bat` and `orchest.sh`).
Django API that connects users to the Spotify API and returns a 'music profile' of their top artists & tracks
Contributions:50 pushes, 1 branch in 11 months
apireturnspythondjangospotify
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