Ubiminds → Neogov
AI Engineer
Building agentic AI workflows and production RAG pipelines for enterprise HR software. Integrating GenAI capabilities across existing product surfaces.
Available for new projects
Production-grade
GenAI. Built fast.
RAG systems · Agentic AI · LLM Engineering · Fine-tuning
I partner with companies to design, build, and ship Generative AI solutions that work in production — not just demos. From RAG pipelines to multi-agent systems, I bring 20+ years of engineering experience and a PhD to your hardest AI problems.
What I do
Services
RAG Systems
End-to-end Retrieval-Augmented Generation pipelines — chunking strategy, embedding selection, vector stores, reranking, and evaluation. Built for accuracy and scale.
- LangChain / LlamaIndex
- Qdrant · FAISS · Chroma
- OpenAI · Claude · Bedrock
Agentic AI
Multi-agent systems that reason, plan, and act. From single-agent automation to complex orchestration with tool use, memory, and human-in-the-loop workflows.
- LangGraph · CrewAI · AutoGen
- MCP · Tool use
- FastAPI · Python
LLM Fine-tuning
Domain-specific model adaptation using LoRA and PEFT techniques. Smaller, faster, cheaper models that outperform general-purpose LLMs on your specific tasks.
- LoRA / PEFT / QLoRA
- Hugging Face Transformers
- Azure AI · SageMaker
Technical Advisory
Strategic guidance for CTOs and product teams on AI architecture, model selection, build-vs-buy decisions, and GenAI roadmaps.
- Architecture review
- Team enablement
- GenAI roadmapping
Track Record
Past Work
Capgemini
AI Engineer
Delivered GenAI solutions for enterprise clients using Azure AI and LangChain. Multi-agent systems for automated document processing and knowledge extraction.
SiDi / Samsung
AI Engineer + Engineering Manager
Led a 30-person ML team shipping AI features to millions of Samsung device users. On-device LLM fine-tuning (LoRA/PEFT), RAG pipelines, and multimodal AI for Galaxy devices.
Norus
Co-founder & CTO
Co-founded and led technology for a B2B SaaS platform serving healthcare, energy, and public sector. Grew engineering team from zero to enterprise-grade over 7 years.
Differentiators
Why work with me
20+
Years of engineering experience
PhD
Industrial Engineering — research-backed approach
30
Engineers led at SiDi / Samsung
POC→
Production — not just prototypes
About
Fabrício Sperandio, PhD
I'm an AI Engineer and GenAI consultant based in Criciúma, Brazil, working remotely with companies worldwide. With a PhD in Industrial Engineering and 20+ years in software, I've led large ML teams, co-founded a SaaS startup, and shipped AI features used by millions.
I focus exclusively on Generative AI — RAG, agents, fine-tuning — and I work closely with clients to make sure what I build actually ships and scales.
Get Started
Let's scope
your AI project.
Available for GenAI engineering contracts, consulting engagements, and technical advisory. Industries: healthcare, energy, finance, consumer electronics, and public sector.