Production backend
Microservices, APIs and transactional workflows with Go, Node/NestJS, Kubernetes and observability.
GoNestJSPub/SubKubernetesDatadog
devjaime · Software & AI Engineering from Chile
I build intelligent systems that work in production.
I’m Jaime Hernández, also known as devjaime. A software and AI engineer from Chile building backends, agents, RAG pipelines, automations and cloud platforms for real business workflows.
Production AI system Chile / LatAm
01 Agent
02 Retriever
03 Vector DB
04 API
05 BigQuery
06 Cloud Run
$ deploy ai-workflow --with-observability checks: retrieval, latency, cost, human-review
Intentional stack
Engineering for systems that live in production.
Applied AI
Agents, RAG and automations connected to real systems, with evaluation and human control.
LangGraphLlamaIndexMCPRAGASn8n
Cloud and data
Pipelines, BigQuery, PostgreSQL and cloud architecture so AI has reliable data underneath.
GCPBigQueryPostgreSQLPythonFastAPI
Case studies
Projects and case studies
Products, experiments and tools where technical learning meets users, data and operations.
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HumanLoop.cl - Plataforma HITL de Orquestación Plataforma HITL (Human-in-the-Loop) que conecta agentes AI con operadores humanos para tareas del mundo real.
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Vocari.cl - Guía Vocacional con IA Guía vocacional basada en el método RIASEC y datos reales del MINEDUC. Test vocacional + informes profesionales con IA.
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Copilotkit - AI-Powered Fake News Detection AI-powered system for detecting fake news trends, integrating Perplexity, Langflow, Llama 3.1, and a customized CopilotKit.
YouTube
Recent videos
Product demos, agents, RAG, automation and applied AI. Curated by date from the devjaime channel.
Watch video Google ADK en acción — Lo que aprendí construyendo agentes de IA con Python
Exploración práctica de Google ADK para construir agentes IA con Python y aprendizajes de implementación.
Watch video Reconversión laboral con IA: descubre tu próximo camino profesional | Vocari
Demo y contexto de Vocari como plataforma de reconversión laboral y orientación con inteligencia artificial.
Watch video AnclaIA — Diagnóstico de equipos marítimos con IA | Portfolio Demo
Demo de diagnóstico técnico con IA aplicado a equipamiento marítimo y flujos de soporte especializado.
Writing
Technical writing
Practical notes on applied AI, backend systems, agents and building software from LatAm.
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