Hi! I'm Leoncio "Leo" U. Coronado Jr., an AI Automation Engineer and Python Developer specializing in business automation systems, web scraping, workflow automation, and data-driven applications.
I am a Verified Apify Actor Developer, an official qualifier for the Apify $1 Million Challenge, and a recipient of Apify's technical writing award for engineering content.
My background combines automation engineering, data extraction, workflow design, and software development. I build practical solutions that help businesses reduce manual work, improve operational efficiency, and turn data into actionable insights.
What I Do Best
• AI Automation & Workflow Design
• Python Application Development
• Business Systems Development
• Web Scraping & Data Pipelines
• Database Design & Data Management
• Process Automation & Reporting
Recent Projects
LaundryFlow POS System
A business management system built using Python, SQLite, and Gradio featuring:
• Customer Management
• Inventory Management
• Transaction Processing
• Multi-Service Transactions
• Receipt Generation
• Sales Reporting
• Backup & Restore
Automation & Data Engineering
I design and maintain automation systems using:
• Python
• Playwright
• Selenium
• Scrapy
• Apify
• n8n
I build reliable data pipelines, monitoring systems, and structured data workflows for research, sales, operations, and business intelligence.
Core Technologies
Python | SQLite | Playwright | Selenium | Scrapy | BeautifulSoup | Pandas
Apify | n8n | REST APIs | JSON | Excel | Gradio | Database Design | Workflow Automation
Why Work With Me?
• I focus on practical business solutions, not just code.
• I build systems designed for reliability and long-term use.
• I combine automation, software development, and business process thinking.
• I take projects from concept to working implementation.
• I continuously learn and apply new technologies through real-world projects.
Portfolio
GitHub:
Apify Developer Profile:
Built automation systems, web scrapers, ETL/data pipelines, and business process tools using Python. Used Python for browser automation, data extraction, data cleaning, reporting, API integration, and workflow automation across business and research use cases.
Experience: 2 - 5 years
Built production web scrapers using Playwright, Selenium, Scrapy, and Apify for data extraction, lead generation, business research, and automation workflows. Experienced in handling dynamic websites, DOM inspection, selectors, retries, logging, structured output, and scraping reliability improvements.
Experience: 2 - 5 years
Built production scrapers using Scrapy, Playwright, Selenium, and Apify for large-scale data extraction.
Worked with lead and customer data workflows involving CRM field mapping, data cleaning, deduplication, and import preparation for GoHighLevel, Apollo, and similar systems. Supported automation pipelines by preparing structured records for reliable CRM use.
Experience: 1 - 2 years
Used HTML structure and DOM inspection to support web scraping, selector creation, and data extraction workflows. Worked with page elements, attributes, and layout patterns to improve scraper reliability and troubleshooting.
Experience: 1 - 2 years
Used SQLite and SQL queries for storing, retrieving, validating, and reporting data from automation projects and business systems. Applied SQL in transaction records, inventory workflows, and structured data outputs for operational reporting.
Experience: 2 - 5 years
Diagnosed scraping failures, blocking issues, and data errors using logs and structured debugging.
Experience: 1 - 2 years
Parsed XHR/API responses and exported structured JSON and CSV datasets.
“I have a team of 6 VA's that pretty much do everything for me”
Elishama Jiles
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