Shayna Howitt
Data Scientist at Signifyd- Claim this Profile
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Bio
Experience
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Signifyd
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United States
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Software Development
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400 - 500 Employee
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Data Scientist
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Mar 2022 - Present
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SingleStore
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United States
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Software Development
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300 - 400 Employee
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Data Scientist
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Aug 2020 - Mar 2022
- First and lead data scientist at SingleStore. - Build machine learning models that provide insight into user behavior. Identified fraudulent user group, which led to a 20% reduction in fraudulent free trials. Projects include classifying 350M+ query statements and clustering 50K+ users based on web/product engagement. - Collaborate with data engineering team to productionize end-to-end ETL processes for new data sources using custom pipelines and procedures. - Use SQL and Python to… Show more - First and lead data scientist at SingleStore. - Build machine learning models that provide insight into user behavior. Identified fraudulent user group, which led to a 20% reduction in fraudulent free trials. Projects include classifying 350M+ query statements and clustering 50K+ users based on web/product engagement. - Collaborate with data engineering team to productionize end-to-end ETL processes for new data sources using custom pipelines and procedures. - Use SQL and Python to design and implement custom metrics that guide growth strategy. Show less
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Rev
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United States
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Software Development
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1 - 100 Employee
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Data Scientist
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Oct 2019 - Apr 2020
San Diego - Doubled the accuracy of models used to predict the industry of more than 4 million companies with BERT embeddings. - Implemented a PyTorch distilBERT model and automated quality checks on training data. - Developed a framework with Dask to evaluate a Word2Vec (W2V) based lookalike model. Identified and resolved three breaking bugs with data collection and W2V implementation. - Spearheaded the evaluation of LeadCrunch’s data coverage and accuracy, leading to the resolution of… Show more - Doubled the accuracy of models used to predict the industry of more than 4 million companies with BERT embeddings. - Implemented a PyTorch distilBERT model and automated quality checks on training data. - Developed a framework with Dask to evaluate a Word2Vec (W2V) based lookalike model. Identified and resolved three breaking bugs with data collection and W2V implementation. - Spearheaded the evaluation of LeadCrunch’s data coverage and accuracy, leading to the resolution of major flaws in webscrape processing.
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Data Analyst
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Nov 2018 - Oct 2019
- Built a pipeline to monitor LeadCrunch's KPIs with data from MongoDb and Redshift data warehouses. Created two interactive dashboards for executives using HoloViews and Panel. - Worked as an embedded consultant in a major client’s office to fine tune models in real time.
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Client Success Manager
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Nov 2017 - Nov 2018
San Diego - Technical liaison between customers and the internal data science team. - Managed digital marketing campaigns for 20+ enterprise customers each month
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Legislative Action Coordinator
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Jun 2016 - Jun 2017
Los Angeles - Strategically recruited and trained volunteers for legislative advocacy work. - Organized a legislative agenda with an interfaith coalition across California.
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University of California, Berkeley, Haas School of Business
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United States
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Higher Education
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700 & Above Employee
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Senior Research Apprentice
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Jan 2015 - Aug 2015
- Analyzed the performance of unconventional pricing schemes using data from weekly field studies. - Instructed novice researchers on the development of unbiased data acquisition tools.
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Education
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University of California, Berkeley
Bachelor of Arts (B.A.)