Andrew Yen

Andrew Yen's ResumeOakland, CA andrewpyen@gmail.comI want to work in a capacity where I can exercise my diverse influences and experience in ethnographic research, GIS, as well as environmental and data science. I'm excited by compelling questions, I am a compulsive learner, and I love sharing what I know and what I make. Please email me at andrewpyen@gmail.com if you're interested in seeing my password protected projects.download pdf resumeEducation

MS in Geographic Information Systems, Johns Hopkins University

January 2018 - September 2019

BA in Ethnographic Research, CUNY Baruch College

August 2009 - February 2014

Experience

Geospatial / Remote Sensing Data Engineer (Contract)
 The Climate Corporation (2020—2022) 
San Francisco, CA

GIS Lead Technician (Contract)

Apple (2020—Present)
Sunnyvale, CA

GIS Technician (Contract)

Apple (2019—2020)
Sunnyvale, CA

Tool Library Volunteer

Station North Tool Library (2014—2018)
Baltimore, MD

Skills🛰️ Data Science, Programming & Databases

Scalable pipelines for remote sensing and geospatial data using PySpark and Descartes Labs APIs

Configuring cloud computing environments (e.g. Descartes Labs, Google Earth Engine, Domino) for designing scalable geospatial pipelines

Scripting with geoprocessing functions using arcpy, pyQGIS, geopandas, GDAL, shapely, rasterio, PIL, RasterFrames, scikit-image, scipy-ndimage, opencv, etc.

Programmatic multi-dimensional raster data analysis including array operations with xarray, numpy and numpy.ma, as well as computer vision techniques with python opencv

Scalable operations and indexing for large geospatial datasets on AWS S3 with the AWS CLI

EDA and data visualization for large and temporally dense geospatial datasets

Proficiency with ESRI mapping applications including ArcGIS Pro, ArcMap, ArcGIS Online

Web mapping application development with ArcGIS Javascript API

Automated generation of map documents

Machine learning algorithms (Random Forest classification/ regression, Kmeans clustering) and statistical analysis of results

SQL queries in PgAdmin and Python (psycopg2, PySpark)

High-quality labeled imagery production for model training with Appen and AWS Sagemaker GroundTruth labeling platforms

🕵🏻 Research Skills

Operationalization of research question derived from qualitative inputs

Survey and Interview design

Participant Observation and field recording/notes

Academic & Technical writing

🤝 Project Development & Management

Develop document/form/communication templates

Convert program goals to action items

Conducting interviews and hiring candidates that fit project needs

Evaluation of prospective vendors by comparing functional and scalability capabilities with organization needs

Evaluation of vendors for contract renewal by compiling documentation on usage, outages, new features, bug fixes, etc.

Managing subcontractors tasked with generating labeled data for computer vision model training. Includes technical writing for instructions, creating instructional videos, negotiating costs and timelines, providing clear feedback, and preparing clear imagery data for the subcontractors.

🌾 Agriculture and Agronomic Domain Knowledge

“Retrieval and analysis of publicly available agricultural datasets at scale (Cropland Data Layer, NASS survey data, SSURGO, ERA5, and others) as well as proprietary machine data (seeding rate, wet mass, field boundaries, etc.)

Research on various tillage practices and trends in North America and Europe and relationship with corn and soybean disease risk

Research on pivot irrigation practice and trends in North America and Brazil as well as computer vision applications for pivot irrigation detection.

Practice in food plant cultivation in urban and rural contexts, composting and compost application techniques, managing automated irrigation systems; able to work long hours outdoors

🔒 Private Projects →
Please email me at andrewpyen@gmail.com if you're interested in seeing my password protected projects.made with Lay Theme