CASE STUDY / 01
AI-assisted software engineering
An original engineering workflow connecting requirements, code evidence and technical design proposals through automated checks and human review.
Node.jsMCPGeneXusJavaScript
Applied AI · Backend engineering
José Antonio Gallegos Carvallo
AI & Backend
Engineer.
I design AI agents and LLM integrations and build backend solutions grounded in evidence, automation and software quality.
KRAKENDEV / AI + BACKEND01 — 03
Building with intelligence● CASE STUDIES
02 / SELECTED WORK
Ideas, built into
working systems.
A selection of projects connecting AI, software engineering and enterprise experience.
CASE STUDY / 02
Hybrid AI agent
A learning project combining an AI agent, local document retrieval and web search, orchestrated with n8n.
PythonLangGraphRAGFAISS
CASE STUDY / 03
KrakenHub API
REST API for a discussion forum, with topics, replies, JWT authentication and OpenAPI documentation.
JavaSpring BootSpring SecurityJWT
03 / MORE PROJECTS
More things I have built
Tentáculo App
Interactive financial application frontend with simulated data, connected to a Spring Boot backend.
React · Vite · Spring Boot · Java
KrakenHub Frontend
Frontend for a developer social network with projects, follows and profiles.
Next.js · React · TypeScript · Tailwind CSS
API Voll.med
REST API for a fictional clinic, managing doctors, patients and appointments with JWT security.
Java · Spring Boot · Spring Security · JPA
Literalura: Catálogo de Libros
A console application for searching books and authors using the Gutendex API and a database.
Java · Spring Boot · PostgreSQL · API REST
Portafolio KrakenDevCL
This interactive portfolio, built with Next.js, Tailwind CSS and Genkit.
Next.js · React · TypeScript · Tailwind CSS
04 / ABOUT
Engineering with
purpose.
José Antonio
Gallegos Carvallo
AI & Backend Engineer
I build solutions that combine backend engineering with applied artificial intelligence. I design workflows with agents and language models, connect information sources through RAG, and develop tools that automate engineering processes with evidence, validation and human review. My enterprise software experience since 2021 includes APIs, SQL and software modernization.
Applied AI and agents
LLM workflows, RAG and automation using Python, LangGraph, FAISS, n8n and MCP.
Backend and enterprise systems
APIs and integrations with Java, Spring Boot and SQL, supported by enterprise modernization experience.
Core competencies
- AI orchestration and integration. Connecting agents and language models with tools and information sources.
- Backend engineering and cloud. API design, SQL optimization and certified Oracle Cloud fundamentals.
- Quality and traceability. Automated checks, verifiable evidence and human review.
Technology stack
Applied AI and agents
LLMsRAGAI agentsPythonLangGraphFAISSn8nSpring AIMCP
Backend and integration
JavaSpring Boot 3REST/SOAP APIsSQLPostgreSQLOracle Database
Cloud and tools
Oracle Cloud Infrastructure (OCI)DockerDevOps
Enterprise development
GeneXus (v16, v17, v18)WorkWithPlus
05 / EXPERIENCE
Built through
experience.
Enterprise systems, backend development and measurable improvements.
January 2021 - Present
Remote
Software Engineer
BROWSE Chile
Developing, maintaining and modernizing enterprise ERP modules with GeneXus, Java integrations and SQL.
- Designed and developed a REST integration to automate sending bank payroll files from an ERP.
- Optimized business logic and SQL queries, reducing processing time by 30% and increasing internal report generation speed by 70%.
- Led the modernization of existing modules while supporting stability and scalability.
- Applied quality practices with a QA rejection rate close to 0% and consistent delivery against agreed service levels.
August 2020 - October 2020
Remote
Backend Developer Intern
Fisfor
Developed backend modules for a property rental web application using Java, Spring Boot, JHipster and PostgreSQL.
06 / RESUME
Experience, in one place.
Explore a single-column resume and save it as a PDF.
07 / EDUCATION
Always
learning.
Academic foundations and ongoing technical training.
Jun 2026 - Jul 2026
ONE Program: Tech Builder
Alura Latam & Oracle
Applied training in AI, agents, automation and RAG.
Mar 2026 - Jul 2026
ONE Program: Tech Advanced
Alura Latam & Oracle
Cloud infrastructure, security, databases and AI services.
Jul 2025 - Feb 2026
ONE Program: Tech Foundation
Alura Latam & Oracle
Programming fundamentals, web development and professional skills.
Graduated 2022
Bachelor’s degree in Computer Engineering
Duoc UC
Graduated with academic distinction in Viña del Mar, Chile.
2023
Java Programming Diploma
Politécnico de Colombia
Professional training in Java programming.
08 / CERTIFICATIONS
Skills backed
by learning.
Official certifications and professional training.
AI and agents: certifications and training
Oracle Cloud Infrastructure AI Foundations Associate
Oracle · Aug 2026
Inmersión de Inteligencia Artificial en la Práctica
Daxus Latam · Oct 2026
Curso de desarrollo con IA - El nuevo programador
BIG school · Oct 2026
Inmersión Agentes de IA en la Práctica
Daxus Latam · Aug 2026
Formación OCI AI Foundations Associate - ONE
Alura Latam · Aug 2026
Inmersión DEV Agentes de AI (RAG, LLM)
Alura Latam · Mar 2026
Spring AI: Integra una aplicación con OpenAI
Alura Latam · Feb 2026
Machine Learning with Python Essential
Universidad de Chile · Dec 2024
Cloud and infrastructure
Oracle Cloud Infrastructure 2025 Certified Foundations Associate
Oracle · Apr 2026
Ruta hacia la certificación OCI Foundations Associate - ONE
Alura Latam · Apr 2026
Backend and development
Diplomado en Programación en Java
Politécnico de Colombia · Dec 2023
Enterprise development
WorkWithPlus Core Analyst
WorkWithPlus · Certification
GeneXus 18 for Mobile Analyst
GeneXus · Nov 2025
GeneXus 18 Junior Analyst
GeneXus · Mar 2026
Analista Genexus v16
GeneXus · Nov 2020
Languages
EF SET English Certificate (C2 Proficient)
EF SET · Nov 2022
09 / WRITING
Notes from
the work.
Thoughts on building reliable software.
BACKEND / SPRING BOOT
Beyond “Hello World”: Building secure and scalable APIs with Spring Boot 3
Security, data integrity, code quality and API documentation are essential foundations for backend applications.
Get in touch
Have a project or opportunity in mind? Send a message, email krakendev.cl@gmail.com or connect on LinkedIn.