I will automate CSV processing and repetitive file tasks with python

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Javier Barajas

About this gig

Save time on repetitive file tasks with a Python script built for your workflow. I can combine CSV files, filter rows, standardize columns, remove duplicates using your rules, or rename files in batches.


BASIC: one local task, one input format and one output format.

STANDARD: a folder of files of one format, up to 3 rules, validation and an error report.

PREMIUM: up to 5 rules, a settings file, logging and setup guidance for one operating system.


You receive Python source code, installation instructions, a sample command and tests against agreed examples. Output goes to a separate location by default, preserving original files.


Before ordering, send anonymized sample input, expected output, your operating system and approximate file sizes. We will agree on the rules and acceptance examples.


These packages cover local file processing. APIs, web scraping, OCR, dashboards, hosting and ongoing maintenance need a separate quote. Revisions adjust the agreed workflow; new features are separate. AI-assisted tools may support development; I review and test the final delivery.

Get to know Javier Barajas

Javier Barajas

Web Development and Custom Automation Scripts

  • FromSpain
  • Member sinceSep 2026
  • Avg. response time1 hour
  • Languages

    English, Spanish
I help small businesses with responsive landing pages, website fixes, and scripts that automate repetitive work. Services include HTML/CSS, JavaScript/TypeScript, React, Node.js, Python, PHP, WordPress, SQL and API integrations. Each project includes a clear scope, source files, checks against agreed requirements, and handover notes. I use AI-assisted tools where appropriate and review the final work. Communication in English and Spanish. Available daily, 15:00-23:00 (Canary Islands time). Message me to confirm the scope before ordering.