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Internal Tooling / Data Extraction / BigQuery Gateway
Launched in 2023

Location Tech Internal Data Downloader

Secure, role-based export interface abstracting enterprise data warehouses

An internal data export application providing controlled, filter-driven access to geospatial BigQuery datasets, supporting both dummy sandbox and production data downloads with fine-grained role authentication.

Data SourceBigQuery & MySQL
SecurityRole-Based Access
Export ModesDummy & Live Data
The Operational Problem

Challenge & Bottlenecks

Operational teams and non-technical stakeholders needed direct access to specific slices of location data without querying BigQuery directly or risking unmonitored warehouse execution costs.

The Engineering Solution

Architecture & Strategy

Built a secure internal portal that abstracts complex BigQuery SQL pipelines behind an intuitive filter interface, enforcing query rate-limiting, role-based permissions, and asynchronous batch file generation.

End-to-End System Workflow

How The System Operates

01Stage 1

Authenticated Access

Internal users log in using verified corporate credentials with assigned data permissions.

02Stage 2

Filter & Target Selection

User selects desired dataset mode (Dummy Test Data vs. Production Real Data), date ranges, and geographic filters.

03Stage 3

Asynchronous Query Processing

Backend compiles parameterized extraction requests and triggers optimized backend queries.

04Stage 4

Controlled File Download

Generated dataset files are packaged into secure downloadable archives with access audit logging.

Key Technical Highlights

  • Safeguarded enterprise data warehouse against unbounded ad-hoc queries
  • Dual-mode toggle between synthesized test fixtures and production data slices
  • Granular audit trails tracking who exported which dataset and when

Technology Stack

CodeIgniter 3.0MySQLBigQuery PipelinesJavaScriptRole-Based Access ControlData Processing