Resume
Matheus Silveira
AI Automation Engineer · Production-ready LLM workflows, API integrations, and revenue/operations automation
São Paulo, SP · Available to relocate
Summary of qualifications
AI Automation Engineer with hands-on experience building production workflows across n8n, OpenAI / Claude, Supabase, Twilio, Shopify, Stripe, Airtable, Apify, HubSpot, and Google Workspace.
I combine AI agents, API integrations, structured outputs, data validation, and business context to improve revenue operations, customer journeys, reporting, data quality, compliance, and workflow reliability.
Professional English proficiency (B2–C1). Native Portuguese.
Technical skills
n8nOpenAIClaudePrompt EngineeringAI AgentsRAGStructured OutputsLangChainSemantic KernelREST APIsWebhooksTwilioHubSpotShopifyStripeAirtableGoogle WorkspaceApifySupabasePythonJavaScriptPostgreSQLMySQLJSON / CSV normalizationData ValidationDockerGitAzureVector DatabasesML / NLP fundamentals
Professional experience
- Automation EngineerWarehouse BobJune 2025 — Present
- Own AI workflows across n8n, Twilio, Shopify, Stripe, Supabase, Airtable, Apify, and OpenAI.
- Automated post-purchase, upsell, and cart-recovery flows with SMS / email, pay links, and webhooks.
- Supported invoice closing by consolidating API costs, conversions, refunds, and account KPIs.
- Cut critical workflow errors from 84% to below 1% with validation, logs, and data fixes.
- Improved data quality with JSON / CSV normalization, deduplication, dashboards, and reporting.
- Reduced compliance risk with opt-outs, consent tracking, phone validation, and safeguards.
- Built reusable workflow patterns for multi-brand operations and client-specific variants.
- Improved prompts and AI outputs through testing, structured formats, and performance analysis.
- Founder & AI / Growth Automation LeadMS VenturesJune 2020 — Present
- Founded and operated a boutique growth and automation studio with 100+ client projects.
- Generated 50,000+ leads and R$3M+ in client revenue across multiple industries.
- Led GTM strategy, paid media, funnels, CRM automation, reporting, and AI workflows.
- Worked across SaaS, health, education, e-commerce, home services, finance, and B2B.
- Built AI sales agents with OpenAI, LangChain, Semantic Kernel, RAG, and WhatsApp API.
- Delivered Turing People Ops workflows with HubSpot, Jira, Deel, and Toggl integrations.
- Automated Jira ticket creation, knowledge-base cleanup, and employee / contractor data.
- Built Google Ads automation and onboarding workflows for Local Handyman and 30+ franchisees.
- Created a local n8n prep agent to reduce refunds and improve retention through follow-ups.
- Built a Claude Code-assisted prediction-market bot using ChatGPT for review and debugging.
- Marketing Manager | AI & Automation ManagerInstituto ValorizeNovember 2024 — June 2025
- Generated R$2M in postgraduate enrollments through AI-assisted sales and campaigns.
- Managed AI agents for course sales; optimized funnels, VSLs, paid media, and handoffs.
- Structured marketing / sales workflows, reducing bottlenecks and improving reporting.
Languages
- PortugueseNative
- EnglishProfessional (B2–C1)
Education
- Technologist in Artificial Intelligence and Machine Learning (in progress) — ML, NLP, data science, neural networks, Python, applied AI systems.UNIASSELVI — Leonardo da Vinci University Center · 2026 — Present
- Bachelor of Control and Automation Engineering.IFSP — Federal Institute of Education, Science and Technology of São Paulo · 2017 — 2025
- Professional Qualification of Computer Technician.ETEC — Technical School, Atibaia · 2014 — 2016
Certifications
- Ethics in the Age of Generative AI
- Prompt Engineering: Learn to Talk to a Generative AI
- Foundations for a Career in Generative AI — Microsoft & LinkedIn
- Prompt Engineering: How to Use AI for Healthy Productivity
- How to Build a Project with the ChatGPT API
Get in touch
98matheus.silveira@gmail.com · +55 11 97558-2065
