Luciano (Liezer) Fried
Building agentic systems for automation, with hands-on JavaScript/TypeScript experience (Next.js, Mastra) and a growing focus on Python. Bachelor in Psychology from the National University of Córdoba — bringing a human-centered perspective to AI system design, model behavior evaluation, and human-in-the-loop design.
Skills
AI Frameworks
- —Mastra
- —LangChain
- —LangGraph
- —LangFuse
- —RAG
- —Local LLM Inference (LM Studio/Ollama)
- —n8n
AI Engineering Practices
- —Context Engineering
- —AI Agent Integration
- —Intelligent Document Processing (IDP)
- —Structured Output
- —Provider-Agnostic Design
- —LLM Observability & Tracing
- —Behavioral Evaluation & Regression Suites
- —Prompt Injection Mitigation
- —Human-in-the-Loop Design
Languages & Frameworks
- —Python
- —JavaScript
- —TypeScript
- —Next.js
- —React
Backend & Databases
- —Node.js
- —Express.js
- —FastAPI
- —Pydantic
- —REST APIs
- —Relational Databases (SQLite, MySQL, PostgreSQL)
- —Vector Databases (Qdrant, Chroma, pgvector)
Tools & Methodologies
- —AWS
- —Docker
- —Git/GitHub
- —CI/CD
- —Hexagonal Architecture
- —Clean Architecture
- —SDD
- —TDD
- —Agile/Scrum
Projects
Clinical Evidence Agent
IN PROGRESSA provider-agnostic clinical decision-support assistant on a hexagonal core: the domain depends on an LLMProvider port instead of a vendor SDK, a monotonic safety policy escalates uncertain or urgent queries to human review, and every call is measured against versioned token, latency, and cost baselines.
Conversational Data Analyst Agent
COMPLETEA Mastra (TypeScript) agent that turns natural-language questions into SQL against a PostgreSQL database and streams answers plus the underlying query back token-by-token.
Experience
Links Apart Hotel
Jan 2025 — PresentA multilingual marketing site for an apart-hotel, with an embedded booking engine and a localized experience across 8 languages.
Education
ITBA (Technological Institute of Buenos Aires)
Jun 2026 — PresentAI Agents Developer
Ícaro - UNC (National University of Córdoba)
Sep 2025 — Apr 2026Full-Stack Developer
National University of Córdoba
Feb 2019 — Apr 2026Bachelor's Degree in Psychology
Certifications
AWS Certified AI Practitioner
Amazon Web Services
AWS Certified Cloud Practitioner
Amazon Web Services