Vinicius Moraes Fonseca
Director of Systems Engineering | Strategic Technology Consultant
About Vinicius
I'm a results-oriented Director of Systems Engineering with comprehensive, full-stack expertise spanning from hardware design to sophisticated AI integration and cloud infrastructure. I specialize in advising international companies on developing and implementing robust IT, AI, and procurement strategies that drive efficiency, reduce costs, and accelerate time-to-market.
My background includes managing entire IT and AWS cloud infrastructures, pioneering the integration of LLM agents to automate business workflows, and leading complex negotiations with international vendors to achieve significant cost reductions.
I leverage an extensive professional network of engineers, IT specialists, and full-stack developers across the USA and Brazil to assemble high-performing teams and deliver comprehensive technical solutions. Fluent in English, Portuguese, and Spanish.
Areas of Expertise
Cloud & IT Infrastructure
AWS (IoT Gateway, RDS, Timestream, API Gateway), IT operations, system integration, and security vulnerability assessment.
AI & LLM Integration
Custom LLM agents, business workflow automation, AI for data systems, and developer productivity tooling.
Procurement & Sourcing
International vendor negotiations, BOM optimization, PLM, and a proven 20–60% cost savings track record.
Project Management
Cross-border team coordination across USA, Brazil, and Asia. Full-lifecycle project delivery from concept to production.
Hostile Environment Ops
Remote camp deployments, off-grid communications, and site leadership in zero-infrastructure zones globally.
Product Development
IoT devices, mobile apps, cloud backends — end-to-end from concept to production-ready platform.
RealLIST Engineers 2022 · Washington D.C.
“Recognized by Technical.ly as one of the most influential engineers in the Washington, D.C. area for impactful contributions, leadership in building an engineering team, and developing a cutting-edge environmental monitoring technology presented at South by Southwest.”
— Technical.ly / RealLIST Engineers 2022
Selected Projects
AI Business Process Automation
Increase developer productivity and reduce SOP overhead.
Pioneered custom LLM agents to automate key business workflows.
Accelerated internal processes, enhanced developer efficiency, reduced administrative burden.
International Procurement Optimization
Reduce IoT device production costs without quality loss.
Led negotiations with international manufacturers, optimized BOM, established new supply chain accounts.
12% production cost reduction across 6 devices; 20–60% discounts from new vendors.
Cloud & IT Infrastructure Overhaul
Scalable cloud architecture for growing IoT device network.
Directed architecture and management of full AWS stack (IoT Gateway, RDS, Timestream, API Gateway).
Secure, scalable foundation supporting all company products with high availability.