# Ray William

> Software Engineer, Data @ Afresh

Location: San Francisco, California, United States
Profile: https://flows.cv/raywilliam

## Work Experience
### Software Engineer @ Afresh
Jan 2022 – Present | San Francisco, California, United States

### Data Science Intern @ Huntsman Corporation
Jan 2021 – Jan 2021 | The Woodlands, Texas, United States
- Optimized the hyperparameters of a Genetic Algorithm-based pipeline, resulting in >2% increase in chemical manufacturing throughput over baseline.

- Researched alternative approaches and made suggestions to improve the quality of recommendations made by the existing cross-sell model.

- Identified and fixed a “silent” bug preventing the proper removal of outliers.

### Machine Learning Consultant @ Bill.com
Jan 2021 – Jan 2021 | Houston, Texas, United States
- Developed a real-time, deep-learning/logistic regression hybrid model to monitor customer service chats and dynamically predict the probability of a positive outcome.

- Successfully flagged 75% of negative outcomes at the midway point of an ongoing conversation.

### Data Science Consultant @ Intterra
Jan 2020 – Jan 2020
- Constructed ETL and data cleaning pipelines for a national-scale dataset of Fire Department records. Then augmented the dataset with publicly available socio-economic, spatial, and temporal data.

- Developed an XGBoost regression model using the augmented dataset to predict emergency incident call volumes and help Fire Departments in their approach towards proactively mitigating community risk.

### Research Volunteer @ UCSF Medical Center
Jan 2016 – Jan 2018 | San Francisco, California, United States
- Maintained a liver cancer cell line and studied the molecular pathways linking liver cancer to the Hepatitis B virus.

-  Developed gRNAs to perform CRISPR/Cas9 knock out of the FGFR2 gene in order to investigate drivers of bile duct cancer.

- Demonstrated the viability of a novel drug delivery system with the potential to help those who struggle with metabolic disorders such as dyslipidemia.


## Education
### Bachelor of Arts - BA in Computer Science
Rice University


## Contact & Social
- LinkedIn: https://linkedin.com/in/raywilliam
- Portfolio: https://kaggle.com/raywilliam

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Source: https://flows.cv/raywilliam
JSON Resume: https://flows.cv/raywilliam/resume.json
Last updated: 2026-03-29