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Guilherme Freire

@guilhermefreire2

Senior Full-Stack & AI Engineer at Dilanti Media building LLM-powered content pipelines and private-knowledge RAG systems.

Spain

Message

At Dilanti Media, I design and ship AI-powered content pipelines that orchestrate Claude, OpenAI GPT, and other generative tools. I’ve also built RAG pipelines for Q&A and content discovery over private knowledge bases.

I fine-tune LLMs for domain-specific generation and classification, and deploy local Llama and Mistral models for privacy-constrained workflows. My work also includes PHP/Laravel systems, Node.js microservices, and Python/FastAPI services.

Previously, I led full-stack development of a multi-tenant SaaS at eSocial Brasil and developed software for the Brazilian Ministry of Education at Universidade Federal de Minas Gerais. I’ve worked across backend systems, automation platforms, and AI-integrated applications.

Experience

Work history, roles, and key accomplishments

Current

Senior Full-Stack & AI Engineer

Current

Dilanti Media

Jul 2022 - Present (4 years 3 months)

Designed and shipped AI-powered content pipelines orchestrating multiple LLMs and built RAG pipelines with vector search. Engineered PHP/Laravel and Node.js microservices, and drove TDD discipline across the team.

Full-Stack Developer

Leanon Systems

Feb 2021 - Jun 2022 (1 year 4 months)

Developed and maintained Coordinate Sports, a UK platform for managing equipment, bookings, and team coordination. Owned end-to-end delivery of new features alongside an internationally distributed team.

PHP CodeIgniter JavaScript Docker Linux MySQL AWS Stripe

Tech Lead/Full-Stack Developer

eSocial Brasil

Nov 2018 - Jan 2022 (3 years 2 months)

Led full-stack development of a multi-tenant SaaS for occupational health and safety, and designed REST APIs and SOAP clients for regulatory integrations. Managed and mentored the engineering team using Scrum and TDD.

PHP Laravel Vue.Js MySQL MongoDB Redis Docker GCP Test Driven Development PHPUnit Laravel Dusk Scrum Git Kanban Stripe MercadoLibre

Software Engineer

Universidade Federal de Minas Gerais (UFMG)

Jan 2009 - Jan 2019 (10 years)

Developed software for the Brazilian Ministry of Education and coordinated development for a national traffic-accident prevention program. Presented research at the 11th Brazilian Congress of Epidemiology.