All work

Data engineering

Facebook Marketplace Data Pipeline

A Python pipeline for collecting, cleaning, validating, and structuring large-scale marketplace data for discrimination research.

Data pipelinesResearch infrastructurePlatform research

ETL pipeline

ingestvalidatenormalisededupeexport
"Rs. 15,000 approx"15000
quality score98%

1.5M+ listings · validated & deduplicated

The problem

Discrimination research on digital marketplaces needs structured, analysis-ready data from unstable public interfaces.

What I built

  • Collection and validation scripts for marketplace listings.
  • Cleaning steps for structured research tables.
  • Quality checks for deduplication and schema consistency.

My role

Research engineering support across scraping, cleaning, validation, and data quality workflows.

Methods

Web automationETL designData validationSchema design

Why it matters

Shows how social research questions can become careful data infrastructure problems.

What it demonstrates

  • Data cleaning
  • Scraping judgement
  • Research workflow design

Outcome

The workflow supported large-scale marketplace research while keeping screenshots and examples anonymised for public presentation.