HUAJUN CHEN
ArcGIS · Python · React
Professional Overview
Strategic GIS Lead & Enterprise Architect with 15+ years of experience specializing in the ArcGIS ecosystem, React, and Python. Expert in designing resilient system architectures, leading digital transformations, and pioneering AI-driven geospatial solutions to optimize municipal and enterprise operations.
Experience
City of Garland , GIS Lead
(2025 - Present) - Strategic Enterprise Architecture & Migration: Architecting the City’s transition from ArcGIS 10.8 to 11.x, redesigning full-stack infrastructure on SQL Server.
- Designed integrated system architecture and coordinated cross-departmental IT resources to ensure security and performance alignment.
- Establishing technical delivery standards and transitioning legacy workflows to ArcGIS Experience Builder to modernize spatial capabilities.
- Innovation & AI Strategy (POC): Pioneering Gen AI integration into municipal workflows to drive operational efficiency.
- Architected AI-driven field reporting platform using LLMs and speech-to-text to convert unstructured voice data into spatially-aware incident records.
- Directing exploration of natural language GIS interfaces to democratize spatial data access via AI-powered conversational querying.
- Digital Service Modernization: Overseeing strategic overhaul of public-facing GIS solutions to improve transparency and streamline community engagement.
Cognizant , Senior Developer (Client: FM Global)
(2021 - 2025) - AI-Enhanced Map Object Detection (Prototype): Architected automated system using SAM-GEO foundation models to streamline geospatial feature extraction.
- Environmental Data Visualization Platform: Led cross-functional team to build high-performance web mapping application for global pollution monitoring.
- Enterprise Architecture & DevOps Strategy:
- Architected CI/CD pipeline for ArcGIS Enterprise to automate deployment of web apps, maps, and schemas, eliminating manual errors.
- Optimized system performance by tuning execution models, validated through rigorous JMeter load testing.
- Actuarial Property Valuation System: Engineered four-stage Python data pipeline (Cleaning, Enrichment, Analysis, Reporting) for property valuation.
- Architected high-fidelity data enrichment pipeline by orchestrating multiple APIs (internal/external).
- Secured and scaled solution using Azure services, achieving 90% test coverage.
- Enterprise GIS Workflow: Built end-to-end low-code solutions using ArcGIS Enterprise and Workflow Manager.
City of Garland , GIS Lead
(2013 - 2021) - Enterprise GIS Architecture: Managed enterprise GIS ecosystem; led critical migration from Oracle to SQL Server.
- Public Transparency Initiative: Launched Open Data Hub and developed high-impact public GIS applications using ArcGIS API for JS 4.x.
- Operational Automation: Streamlined inter-departmental workflows using Python and real-time data integration.
City of Dallas , GIS Analyst
(2009 - 2013) - Field Operations Optimization: Designed inspection task scheduler for field crews, enhancing workflow efficiency and workload management.
- Workflow Automation: Engineered Python automation scripts to streamline field data collection, synchronize updates, and automate "Notice of Violation" reports.
- Mentorship & Data Quality: Mentored staff on ArcGIS mapping, SQL optimization, and data entry best practices.
Earlier Research & Internships
(2008 - 2009) - LiDAR Analysis (UT Dallas): Developed ArcObjects and VB.NET tools to classify buildings/trees from LiDAR data. Conducted field validation using high-precision GPS.
- Address Intelligence (North Central Texas Council of Governments): Created accurate 9-1-1 address data for two counties, adhering to best practices for emergency response.
Education
- Master of Science in GIS The University of Texas at Dallas, Richardson, TX 2007 - 2009
- Bachelor of Science in Urban and Rural Planning Peking University, Beijing, China 2002 - 2006
Certification
- AWS Certified Cloud Practitioner
2022 - 2025 - Microsoft Certified: Power BI Data Analyst Associate
2024 - 2025
Skills
Cloud Platforms:
AWS , Azure.
Databases:
SQL Server , PostgreSQL , MySQL , Oracle , Convex (Vector Database).
Tools & Software:
Power-BI , JMeter , NotebookLM , Cursor , Antigravity , Codex , Experience Builder , Workflow Manager.
Industries
- Insurance
- Local Government