
Mateus C.
Full Stack Developer for Web Apps, Data Pipelines and Automation
Habilidades

Revisa mis servicios


Porfolio
Experiencia laboral
Lead Developer and Head of Digital Operations
Self-Employed / Freelancer
Mar 2026 - Present • 8 mos
Designed, built and operated alone the full digital operation of two political campaigns (state and federal deputy, Minas Gerais, Brazil): 11 production systems, about 254,000 lines of code and 920+ commits between March and October 2026. WhatsApp contact center on Meta Cloud API (74,437 contacts, multi-operator queues, LGPD audit), real-time election-night dashboard reading official TSE feeds every 15 seconds for 853 cities, content hub with AI news classification, lead capture from Meta Ads, offline OCR-to-PDF Windows app for electoral-court compliance, and campaign-finance validation tooling. Stack: TypeScript, React, Next.js, Node.js, PostgreSQL/Supabase, Python, Vercel, Railway, n8n.