Guilherme Ziggiatti
Software Engineer · Backend · Integrations · Automation
São Paulo, Brazil · Open to remote, international and project-based work
Profile
Software engineer and Tech Lead with experience across internal platforms, APIs, enterprise integrations, automation, data engineering and AI-based solutions. I combine technical execution with business-process understanding.
Skills
Experience
Tech Lead / Backend & Full Stack Developer
Numeric · Current
Technical delivery leadership; API and middleware development; ERP and fiscal system integration; observability; intelligent document extraction; n8n automations and internal product evolution.
Digital Operations / Product & Customer Support
Nonstop · Previous experience
B2B/B2C support, requirements analysis, product evolution support, functional testing, training and stakeholder communication.
Selected projects
Creation and evolution of Numeric's institutional website, focused on digital presence, credibility and a premium browsing experience. A real live project built for business impact.
Corporate project involving agent orchestration, telemetry, monitoring, workflow automation and observable infrastructure to support smarter and more reliable operations.
A set of enterprise automations and integrations involving an A1 Certificate Worker in C#, SIGEP RPA, Numeric Checklist, eKontrol SPA, n8n workflows and ERP-connected processes.
Education
Bachelor of Business Administration · Mackenzie Presbyterian University · Expected Dec 2026
Languages
Portuguese (native) · English (advanced) · Spanish (intermediate)
Corporate case studies are presented at a high level, without confidential material.