const marco = {
role: "Senior Full-Stack & AI Engineer",
experience: "6+ years, most of it as the sole engineer or tech lead",
focus: ["backend architecture", "applied generative AI", "developer tooling"],
stack: {
languages: ["TypeScript", "Go", "Dart", "Python", "SQL"],
backend: ["Node.js", "NestJS", "FastAPI", "gRPC / Connect-RPC", "Kafka", "DDD", "CQRS"],
frontend: ["React", "Next.js", "Vue", "Nuxt", "Astro", "Tailwind"],
mobile: ["React Native", "Expo", "Flutter"],
ai: ["LangGraph", "LangChain", "RAG", "Qdrant", "pgvector", "MCP"],
infra: ["Kubernetes", "Docker", "AWS", "GCP", "Postgres", "Redis"],
},
shipped: [
"a CRM backend rewritten TypeScript → Go in under two months, solo",
"a VoIP platform on Asterisk that cut telephony cost ~60%",
"a RAG platform indexing 246 government portals",
],
currentlyLearning: ["distributed systems in Go", "LLM evaluation"],
funFact: "I once inherited a React Native app declared impossible to update. It shipped a week later.",
};Languages
Backend & Architecture
Frontend & Mobile
AI & Data
Cloud & DevOps
I'm looking for a senior full-stack, backend or AI engineering role with an international team.
- 🇨🇦 🇮🇪 🇩🇪 Relocation — actively pursuing permanent residence in Canada (Express Entry / PNP, NOC 21231) and open to employer-supported relocation to Ireland or Germany.
- 🌐 Remote, worldwide — available immediately as a B2B contractor through my own company, no visa or sponsorship required.
- 🗣️ Portuguese (native) · English (professional working proficiency)
📬 Best way to reach me: LinkedIn or the email to contact@maarkn.dev.




