# Portfolio

- [Services and engagement model](/antoniovfranco-docs/portfolio/services-and-engagement-model.md): What I deliver, typical timelines, and how we work.
- [Client case studies](/antoniovfranco-docs/portfolio/client-case-studies.md): Representative client work and results.
- [Debugging and problem solving](/antoniovfranco-docs/portfolio/debugging-and-problem-solving.md): How I approach latency, reliability, and production issues.
- [Skills and tooling](/antoniovfranco-docs/portfolio/skills-and-tooling.md): Languages, AWS services, ML tooling, and MLOps stack.
- [Writing and open source](/antoniovfranco-docs/portfolio/writing-and-open-source.md): Technical writing and open-source projects.
- [Freelance AWS Machine Learning Engineer](/antoniovfranco-docs/portfolio/freelance-aws-machine-learning-engineer.md): AWS Cost Optimization & Fine-tuning Infrastructure Specialist