Freelancer profile translated to English.

Description

Professional with 12 years of experience in tenders, and 2 years of experience in software development and data analysis.

Focused on results and deliveries, I combine two skills that together can generate immense results.

Languages

Workplace preferences

Can work on-site

Ourense (up to 50km)

APPA Procurement Intelligence
Founder & Backend Engineer
TECH
April 2023 - Today (3 years and 3 months)
Río de Janeiro, Brazil
• • B2B platform in Django and PostgreSQL to monitor public procurement portals and deliver daily intelligence to paying clients.
• • ETL pipeline that processes 4,000–5,000 tenders/day with a 4,800% reduction in time (from 2–4h to < 2 min), generating ~R$35,700/year in operational savings.
• • Resolution of critical production incident: governmental WAF (F5 BIG-IP) was blocking HTTP clients — engine rebuilt with Selenium + Chrome headless as a definitive solution.
• • Parallel collection with ThreadPoolExecutor (5 workers) and atomic reservation via SELECT FOR UPDATE SKIP LOCKED — no race conditions or duplicates.
• • Deployment on VPS with Docker, Nginx, HTTPS (Certbot), and 24/7 operation.
Python/Django PostgreSQL Extract, Transform, Load (ETL) tenders Data Analysis
Efatá Comércio & Serviços LTDA
Public Tenders Analyst
July 2020 - April 2026 (5 years and 9 months)
• • Management of the complete tender cycle under Law 14.133/2021: 100% compliance and 95% success rate in competitive processes.
• • Direct management of over R$104 million in public contracts — domain context that originated and validates the APPA system.

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