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I am Chuanyun Fei, a GIS System Architect and app developer with over 20 years of experience building map-based mobile experiences using Flutter, Google Maps, and a range of third-party APIs. I specialize in mobile app development, including Google Maps SDK integration, POI management, and custom routing, delivering user-centric GIS applications with robust async data flows. I thrive working independently and in remote teams, documenting clearly and delivering high-quality code under tight deadlines. I enjoy learning new technologies, building scalable cross-platform solutions in Flutter, and communicating technical challenges effectively to distributed teams.…I am Chuanyun Fei, a GIS System Architect and app developer with over 20 years of experience building map-based mobile experiences using Flutter, Google Maps, and a range of third-party APIs. I specialize in mobile app development, including Google Maps SDK integration, POI management, and custom routing, delivering user-centric GIS applications with robust async data flows. I thrive working independently and in remote teams, documenting clearly and delivering high-quality code under tight deadlines. I enjoy learning new technologies, building scalable cross-platform solutions in Flutter, and communicating technical challenges effectively to distributed teams.

Chuanyun Fei

App Developer, Web Developer, Full Stack Developer, +2

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I am Chuanyun Fei, a GIS System Architect and app developer with over 20 years of experience building map-based mobile experiences using Flutter, Google Maps, and a range of third-party APIs. I specialize in mobile app development, including Google Maps SDK integration, POI management, and custom routing, delivering user-centric GIS applications with robust async data flows. I thrive working independently and in remote teams, documenting clearly and delivering high-quality code under tight deadlines. I enjoy learning new technologies, building scalable cross-platform solutions in Flutter, and communicating technical challenges effectively to distributed teams.…I am Chuanyun Fei, a GIS System Architect and app developer with over 20 years of experience building map-based mobile experiences using Flutter, Google Maps, and a range of third-party APIs. I specialize in mobile app development, including Google Maps SDK integration, POI management, and custom routing, delivering user-centric GIS applications with robust async data flows. I thrive working independently and in remote teams, documenting clearly and delivering high-quality code under tight deadlines. I enjoy learning new technologies, building scalable cross-platform solutions in Flutter, and communicating technical challenges effectively to distributed teams.

Available to hire

I am Chuanyun Fei, a GIS System Architect and app developer with over 20 years of experience building map-based mobile experiences using Flutter, Google Maps, and a range of third-party APIs. I specialize in mobile app development, including Google Maps SDK integration, POI management, and custom routing, delivering user-centric GIS applications with robust async data flows.

I thrive working independently and in remote teams, documenting clearly and delivering high-quality code under tight deadlines. I enjoy learning new technologies, building scalable cross-platform solutions in Flutter, and communicating technical challenges effectively to distributed teams.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

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Expert

Expert

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Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Work Experience

GIS Developer at Bent Ear Solutions

July 1, 2023 - Present

Re-architected legacy systems and integrated map-based features, including Google Maps routing, POI management, and real-time data updates. Collaborated with remote teams to develop high-quality, responsive mobile apps using Flutter and Google Maps SDK. Implemented custom routing enhancements and user-friendly navigation interfaces, and delivered data integration and API management features to ensure seamless geospatial data flow within the app ecosystem.

Software Developer (Remote) at Esri Canada

February 1, 2021 - June 1, 2023

Led integration of ArcGIS Enterprise with mobile-first solutions for location-based services and real-time POI updates. Collaborated with backend team to integrate APIs for data synchronization and user navigation. Migrated legacy GIS services to modern, scalable systems with an emphasis on mobile app usability.

Senior GIS Developer at Prime Source Technologies

August 1, 2016 - January 1, 2021

Designed and implemented geospatial database architecture for the Transportation Online Permitting System (TOPS), focusing on real-time permit validation and spatial conflict detection. Developed Python scripts for data automation and spatial data processing using ArcPy and ArcGIS. Led optimization of ArcGIS Enterprise systems, improving performance and scalability for large geospatial datasets. Architected and developed sign management and asset tracking systems for DDOT, utilizing ArcGIS for data integration. Built automated data pipelines for processing street sign data and street camera data, utilizing Python and ArcPy for geospatial analysis and reporting.

Senior GIS Developer at OCTO, DC Government

January 1, 2007 - July 1, 2016

Developed geospatial services for DC government systems, including Master Address Repository (MAR) web services, improving address validation and geospatial search accuracy. Led the migration of large datasets to ElasticSearch for real-time geospatial querying, improving system performance by 40%. Designed and built data APIs to integrate GIS and non-GIS data for public and internal government applications. Collaborated with team members to design and implement the OCTO ArcGIS enterprise infrastructure to support all DC government agencies. Worked on integrating map services like Google Maps into web applications for seamless navigation and user interaction.

System Designer at Colt Engineering (WorleyParsons)

April 1, 2004 - January 1, 2007

Designed and implemented GIS and database architecture supporting large-scale pipeline engineering projects, including the Mackenzie Gas Pipeline. Developed ArcGIS-based analytical and design tools for pipeline route planning, slope and cut/fill analysis, terrain modeling, and cost estimation following PODS pipeline data standards. Built geospatial data models and integrated LiDAR, DEM, and TIN datasets using ArcGIS, MicroStation, AutoCAD and FME.