I'm Fernando, an engineer living in Buenos Aires with 8+ years shipping products to production and experience leading teams as a Tech Lead. I specialise in the problems where software gets hard: AI agents that have to be reliable, real-time collaboration where state corrupts unless you design it right, and architectures that survive growth. I built and operate my own products, and they have users, accounts and payments.
Experience
AI Engineering · Builder
2024 - present
AI Engineer · Full-Stack
Designing and shipping production agents with Mastra and the Vercel AI SDK
RAG with pgvector and Supabase for semantic search and persistent memory
Integrations with OpenAI, Anthropic and self-hosted open-source models
Own products in production: Casos Criminales (real-time detective game, with accounts and payments), English RPG (spoken-English coach with RPG progression) and Storia (agents that write full novels)
Technical coaching for teams adopting AI engineering in their stacks
Freelance Full-Stack
2019 - present
Front End · Back End
End-to-end web and native apps for founders and product-led teams
API design, cloud infrastructure and tailored business solutions
Direct collaboration with stakeholders from discovery to deploy
Early adoption of Next.js App Router, RSC and Server Actions with real clients
2D-Soluciones
2019 - 2024
Front End · Full-Stack
Development and maintenance of 12+ production products for enterprise clients
Stack: React, React Native, Next.js, Webpack, microfrontends, Docker, MUI
Concurrent management of multiple projects and teams
Legacy code modernization and greenfield architecture from scratch
Education
Space Engineering
Universidad de San Martin
Complex systems analysis, software engineering, computer architecture and solution design for real-world problems. The base that still shapes how I think about products.
Process Industries Tech.
Químicos Argentinos
Functional analysis, production systems architecture and project development in process industries. A process mindset applied to software.
Continuous self-learning
Autoaprendizaje
AI engineering, agents and RAG. Software architecture, interface and product design. The field moves faster than any degree - I keep learning every day.
Technical skills
AI Engineering
Agents with Mastra and the Vercel AI SDK. RAG with pgvector and Supabase. Integrations with OpenAI and Anthropic. Evals and LLM observability in production.
Full-Stack TypeScript
Next.js 15 (App Router, RSC, Server Actions), React 19, Node.js, tRPC, REST APIs. End-to-end type safety from client to server.
Architecture
Clean, Hexagonal and Screaming Architecture. Systems designed to scale without turning into spaghetti. Focus on clear boundaries and well-bounded domains.
Frontend Craft
Atomic design, accessibility, performance, animations with Framer Motion and Tailwind-based design systems. Interfaces that feel right.
Cloud & DevOps
Vercel, Supabase, Cloudflare, Docker and CI/CD with GitHub Actions. Pipelines that let teams focus on product, not infrastructure.