Jordan Hollinger
Director Of Platform Engineering
New York, New York, United States
Summary
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Rockstar🎓
Top SchoolJordan Hollinger is a Director of Platform Engineering in New York with 14 years of experience building customer-facing platforms, APIs, and data ingestion/delivery systems. He pairs hands-on expertise in C++, Java, PostgreSQL/PostGIS and mobile OpenGL rendering with leadership of engineering teams at scale. His background includes deep work on mapping technologies—contributions to Mapnik and Mapbox GL and building MapQuest’s vector tile and Android rendering stacks—bringing uncommon domain knowledge in geospatial data pipelines and rendering. Jordan also has practical experience converting and optimizing large geospatial datasets (osm2pgsql) and improving text rendering and collision detection in open-source mapping libraries. He’s comfortable spanning backend, database, and mobile layers to turn complex spatial requirements into performant, production systems.
14 years of coding experience
12 years of employment as a software developer
Bachelor's degree Computer Science, Bachelor's degree Computer Science at Millersville University of Pennsylvania
Stackoverflow
31reputation
368reached
0answers
1question
Github Skills (27)
c-language10
postgresql10
python10
rendering10
mapnik10
render10
java10
javas10
postgis10
cplus10
android10
text-rendering10
maps10
cpp10
cprogramming-language10
Programming languages (2)
Github contributions (5)
mapnik/mapnik
Dec 2013 - Feb 2015
Mapnik is an open source toolkit for developing mapping applications
Role in this project:
Back-end Developer
Back-end DeveloperContributions:45 commits, 1 PR, 1 push in 1 year 1 month
Contributions summary:Jordan focused on enhancing the text rendering capabilities of the Mapnik library. They refactored code to separate text layout properties, implemented support for multiple text layouts within a single text symbolizer, and added python bindings for layout nodes in the format tree. Furthermore, the user integrated the handling of text margins and repeat distances within the collision detection system, and added visual tests to validate the new features.
pythongeospatialdevelopingc-plus-pluscartography
osm2pgsql-dev/osm2pgsql
Sep 2014 - Sep 2014
OpenStreetMap data to PostgreSQL converter
Role in this project:Back-end Developer & Database Engineer
Back-end Developer & Database EngineerContributions:17 commits in 9 days
Contributions summary:Jordan primarily contributed to the back-end functionality of the osm2pgsql project, focusing on output classes and data conversion. Their work involved implementing methods to clone output classes, which create copies using copy constructors. They modified various files related to data processing, including those handling gazetteer functionality, and modified the geometry-builder.cpp file. The user's contributions touch on database integration and data manipulation.
converteropenstreetmap-datanominatimosm2pgsqlpostgis
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