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tfantas/README.md

Thiago Antas

Principal AI Solutions Architect | Agentic AI, RAG

I help CTOs, product leaders, and engineering teams turn GenAI initiatives into secure, observable, production-ready systems—not prototypes that remain in a drawer.

With 21+ years in software engineering and senior technical leadership, I work hands-on across AI, cloud, backend, and platform architecture: from opportunity assessment and architecture through implementation, production hardening, and team handover.

What I deliver

  • Production RAG, LLM, and agentic AI platforms with evaluation, guardrails, and observability
  • Cloud and backend architecture for scalable, event-driven systems
  • Architecture reviews, modernization roadmaps, and technical due diligence
  • LLMOps/MLOps, reliability, security, FinOps, and delivery acceleration
  • Fractional CTO and technical leadership for startups, scale-ups, and enterprise teams

Selected impact

  • Modernized 200+ applications and reduced infrastructure costs by 45%
  • Architected systems processing 500K+ transactions/hour and services handling 2M+ daily requests
  • Delivered RAG solutions across 100K+ documents
  • Mentored 15+ engineers across architecture, CI/CD, reliability, and delivery

Core stack

Python · Java · FastAPI · Spring Boot · AWS · GCP · Kubernetes · Kafka · PostgreSQL · Vector Search · LangGraph · CrewAI · MCP

Engagements

Available for architecture sprints, production AI pilots, modernization audits, delivery rescue, and ongoing Fractional CTO support. Based in Lisbon, working remotely across Europe and on-site in Lisbon up to one day per week.

Verified credentials

  • HackerRank: Problem Solving 6-star, Java 5-star, Python 5-star, and Software Engineer Role Certificate
  • Professional Certificate in AI and Machine Learning, Purdue University

Connect


🇧🇷 Versão em Português

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