Jinnan Zhang
Principal Web Developer at Esri
Redlands, California, United States
Summary
👤
Senior🎓
Top SchoolJinnan Zhang is a Principal Web Developer at Esri with 11 years of experience building performant, user-focused web mapping applications using TypeScript, React, ArcGIS API for JavaScript, D3 and vanilla JS. He leads front-end development for the Living Atlas team, modernizing codebases, improving load and rendering performance, and shipping widely used apps such as the Esri World Imagery Wayback and Imagery Explorer. Prior to Esri he spent four-plus years as a GIS developer at ICF delivering full-stack geospatial solutions—REST APIs, routing, and mapping components—for commercial and government clients. Jinnan blends deep GIS domain knowledge and practical engineering, mentoring junior developers while automating deployments and internal tooling to scale team productivity. Based in Redlands, CA, he pairs an MS in Geographic Information Science with hands-on open-source work and a knack for prototyping embeddable geospatial widgets that extend Esri products.
11 years of coding experience
13 years of employment as a software developer
MS, Geographic Information Science, MS, Geographic Information Science at The University of AkronBA, Geography, BA, Geography at University of the Western Cape
Stackoverflow
121reputation
1kreached
0answers
2questions
Github Skills (78)
react-redux10
imagery10
arcgis-online10
tedious10
change-detection10
dojo10
arctic10
arcgis-js-api10
eslint10
trend10
esri-loader10
esri10
tailwindcss10
geospatial-visualization10
satellite-imagery10
Programming languages (3)
Github contributions (5)
vannizhang/lego-map
Feb 2017 - May 2018
Contributions:48 commits, 81 pushes, 2 branches in 1 year 2 months
vannizhang/policymaps-new
Apr 2020 - Mar 2025
Esri Maps for Public Policy site
Contributions:9 PRs, 82 pushes, 3 branches in 4 years 11 months
policyesripublic-policy
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.