I'm Jeff Underwood
Senior Data Engineer
Senior Data Engineer
Senior Data Engineer specializing in geospatial data systems, with over 15 years building data infrastructure at Overture Maps, Snap, Meta, Apple, and Google. I design and implement the pipelines, quality frameworks, and data models that power large-scale mapping products.
2024-Present
Designed and implemented data quality frameworks across multiple geospatial data themes, enabling systematic validation at global scale. Built high-performance analytical workflows using DuckDB and Parquet to process and evaluate large, heterogeneous datasets. Led ingestion and standardization of address data across dozens of countries, resolving schema inconsistencies and improving downstream usability. Developed technical documentation, query patterns, and user guides to support external adoption of Overture datasets.
Managed a distributed team of 150+ GIS technicians and analysts supporting large-scale mapping operations. Oversaw workload planning, delivery execution, and client coordination for multiple concurrent data programs. Led operational scaling efforts and successfully executed return-to-office transition post-remote period.
2022-2024
2021-2022
Generally in charge of all things related to OpenStreetMap which powers the base map. Designed and shepherded multiple app features requiring cross functional collaboration. Modeled, mapped, and implemented dynamic borders necessary for roll out of Snap Map using solely OSM data. Made numerous enhancements to our backend map stack to allow additional functionality or features. Built out vector tile quality checks using Go language.
Ensured quality of OSM data submitted by a large team of editors using tools such as Presto, PostGIS, QGIS, iD, RapiD, and JOSM. Led AI-assisted road mapping efforts for our onsite editing team and supported five remote vendor teams around the world. Worked directly with engineers to help design and plan new tooling. Planned and executed projects for mapping teams to complete. Represented the World.AI team at multiple remote trainings and conference talks. Supported RapiD design, development, and release. Ensured roll out of Map With AI global road coverage.
2018-2021
2016-2018
Ensured quality of OSM data submitted by a large team of editors using tools such as PostGIS, QGIS, and JOSM. Helped manage onsite editors at Facebook, providing training, policy guidance, and mentoring to team of 30. Led remote team of 20 map editors in Colorado. Traveled to Indonesia to train new remote team. Developed a custom version of the OSM Tasking Manager to generate stats and serve as a better management tool as well as numerous quality of life improvements. Created various visualizations and maps as needed for presentation to mapping conferences. Assisted in roll out of OSM onto FB maps.
Extensive use of open source GIS programs as well as ArcGIS for project work and SQL and Apache Hive. The position had a large focus on quality analysis of current and potential data sources involving both quantitative and qualitative assessments. Helped create and define editing policies for our team’s content type. Frequent interfacing with other parts of the company in order to address content specific needs.
2015-2016
2014-2015
Worked with open source GIS programs as well as extensive use of SQL and Apache Hive. Analyzed data from large databases utilizing data from multiple vendors. Wrote scripts to help determine quality of potential new data sources.
Created and curated spatial data for Google Maps. Worked on quality control of both employee and user submitted data.
2011-2013
425-417-7117
jeff.r.underwood@gmail.com
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