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2013

Last Position : GIS Data Supervisor

Period : September 2013  to January 2024

Job Description :

GIS Base Map & Data QA (End-to-End)
* Planned and defined data requirements in collaboration with Production, Data Engineering, QA, and PM teams
* Reviewed data quality against previous versions and consolidated customer pain points
* Designed and executed comprehensive QA processes, including:
- Schema Validation (fields, data types, structure)
- Spatial Validation (topology, geometry, connectivity)
- Attribute Validation (completeness, consistency)
* Created error lists and feedback reports, and tracked issue resolution until data met quality standards
* Produced documentation such as Data Dictionaries, QA Reports, and Release Notes

QA Process Design & Automation
* Analyzed recurring issues within QA workflows
* Designed standardized QA workflows and validation logic
* Developed automation scripts and tools to reduce QA time and minimize human error
* Created SOPs and transferred QA processes to ensure consistent team adoption

Network Dataset & Routing Data
* Designed data models and network rules for Routing, Service Areas, and OD Matrix analysis
* Validated topology, directionality, turn restrictions, and overall network consistency
* Tested multiple routing scenarios to support real-world use cases
* Resolved data issues from multiple sources with different schemas and standards

Heat Map & Spatial Analysis (Business Use Cases)
* Analyzed business requirements and KPIs with cross-functional teams
* Prepared and processed spatial demographic data
* Generated heat maps using Kernel Density and Point Density methods
* Evaluated candidate locations using Spatial and Network Analysis
* Built scoring models to rank optimal locations
* Performed QA on analytical results to ensure they were explainable and actionable for business decision-making

GTFS Transit Data Development
* Collected and transformed transit data into GTFS-compliant formats
* Validated datasets using GTFS Validator and custom scripts
* Designed internal QA workflows for transit data
* Coordinated with clients to ensure data accuracy and compliance with international standards

Additional Experience
* Managed QA for hundreds of GIS datasets
* Designed test cases and acceptance criteria for data and systems
* Handled bug tracking and regression testing
* Collaborated with cross-functional teams to deliver high-quality, production-ready data