CRK Dev LLC Logo

Portfolio

A quick directory of projects, demos, and deliverables. For full walkthroughs, see the case studies.

Clean outputs Clear scope Fast turnaround Reliable delivery
What I deliver
  • ✅ CSV / Excel / JSON outputs
  • ✅ Repeatable pipelines
  • ✅ Source links + field definitions
  • ✅ Summary report of changes

Quick Links

Want the “proof pages”? Use Case Studies for deeper build walkthroughs.

Projects

CSV Cleaner Engine

Python pipeline for cleaning and standardizing messy CSV exports.

Includes
  • ✅ Dedupe + formatting
  • ✅ Column normalization
  • ✅ Clean output + summary

Web Scraping Pipeline

Extract structured records from websites into clean CSV/JSON outputs.

Includes
  • ✅ Field mapping
  • ✅ Source URLs included
  • ✅ Clean dataset delivery

Extractor Engine

Isolate target fields into a defined schema and produce clean, standardized outputs.

Includes
  • ✅ Schema-driven extraction
  • ✅ Standardized headers + formatting
  • ✅ Built to pair with validation

Validator Engine

Rule-based validation for required fields, formats, integrity checks, and clean deliverables.

Includes
  • ✅ Required fields + format rules
  • ✅ Invalid row flagging / separation
  • ✅ Summary report (issues + counts)

Public Records Scraping Pipeline

Python scraping pipeline built to extract, clean, and structure records from public-facing websites into analysis-ready CSV outputs.

Includes
  • ✅ Playwright + BeautifulSoup workflow
  • ✅ Data normalization + cleanup
  • ✅ Structured CSV deliverables

Custom Automation

Focused Python automations for repetitive tasks — data, reporting, file processing, and workflows.

Includes
  • ✅ Clear scope + deliverables
  • ✅ Quick turnaround
  • ✅ NDA-friendly

Downloads & Samples

Small, redacted sample files to demonstrate formatting and deliverable structure (no private client data).

CSV Cleaner
  • ✅ Input sample
  • ✅ Output sample
Web Scraping
  • ✅ Example scrape output
  • ✅ Ready for analysis

Want something similar built for your workflow?

If you found this site through Upwork, please keep all communication on Upwork to comply with their Terms of Service.