Alex Nickell

Available to hire

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
See more

Work Experience

Senior Data Scientist at Amazon Web Services (AWS)
July 1, 2023 - Present
Led the design and deployment of machine learning models for personalized recommendations and customer segmentation in cloud-based ecosystems. Built end-to-end data pipelines and ML workflows using AWS SageMaker, Lambda, and related tools; mentored junior data scientists and promoted best practices in model deployment and monitoring. Drove improvements in engagement and conversions by 15% through data-driven experimentation and optimization of recommendations.
Senior Data Scientist at Amazon Web Services (AWS)
August 1, 2021 - August 1, 2023
Led development of ML models for cloud resource optimization and customer analytics; implemented deep learning models (CNNs, RNNs) and NLP pipelines to enhance product search and content classification, reducing manual review time by 20%. Built ML pipelines with AWS SageMaker and Lambda to automate business workflows, increasing operational efficiency by 25%. Mentored a data science team of juniors, fostering growth and best practices in model deployment and monitoring.
Data Scientist at Amazon Web Services (AWS)
February 1, 2021 - August 1, 2021
Designed data pipelines and ML models for customer insights, enhancing targeting strategies and improving ad targeting accuracy by 22%. Implemented A/B testing frameworks to evaluate model performance and optimize marketing spend, increasing ROI by 20%.
Principal Data Scientist | AI Solutions Architect at Cloud Agronomics
November 1, 2019 - January 1, 2021
Led the development of predictive models for crop yield forecasting, improving accuracy by 30% and enabling data-driven agricultural decisions. Applied geospatial data processing to integrate remote sensing data and satellite imagery into agricultural models, increasing scalability. Collaborated with cross-functional teams to deploy cloud-based ML solutions on AWS and Azure, ensuring scalable, robust models.
Principal Data Scientist | ML & NLP Specialist at Pearson
March 1, 2017 - October 1, 2018
Led data science initiatives focusing on ML and NLP across learning analytics projects. Developed and deployed AI-powered educational content personalization, improving learner engagement. Built data-driven coaching tools and metrics.
Development Scientist at BioDesix, Inc.
August 1, 2015 - March 1, 2017
Developed predictive maintenance models to optimize the performance of diagnostic instruments, reducing downtime by 25%. Applied biomarker analysis to support diagnostics and patient care.

Education

Doctor of Philosophy (PhD) in Physical Chemistry at University of Nevada, Reno
January 1, 2011 - January 1, 2015
Master of Science (MS) in Physical Chemistry at University of Nevada, Reno
January 1, 2007 - January 1, 2011
Bachelor of Science (B.S.) in Chemistry at Santa Clara University
January 1, 2002 - January 1, 2006

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Education, Healthcare, Manufacturing, Professional Services, Retail