Juan Huaco · Software & AI Engineer

About Me

Professional Summary

Software Engineer and AI Developer with 3+ years of experience building scalable systems and AI-powered applications. Currently focused on developing MCP servers, RAG pipelines, and LLM integrations using LangChain, Mastra, and FastMCP. Experienced in data ingestion workflows with Airflow, vector databases, and intelligent querying systems. Strong full-stack foundation with Laravel, Svelte, and Docker.

Core Values

Proactivity

Taking initiative and driving projects forward

Teamwork

Collaborating effectively with cross-functional teams

Continuous Growth

Passionate about learning and professional development

Languages

Spanish
Native
EnglishDaily professional use with US clients
Professional
Portuguese
Professional
German
Elementary

Beyond the Code

Piano & Guitar
Music Production
Mathematics
Community Outreach
Continuous Learning

Professional Experience

Building AI solutions and scalable web applications in professional environments

Python

TypeScript

MCP Protocol

Folder IT on LinkedIn: its AI integration work for GovSpend

Key Achievements

One of the lead developers on GovSpend's MCP server, involved from the start and owning architecture decisions
The MCP server is now one of GovSpend's flagship AI products, credited internally with lifting sales and renewals
Built the integration that lets AI assistants query contracts, bids and agency spending without leaving their workflow
Developer on AI Search, GovSpend's natural-language way into the platform's data

Notable Projects

GovSpend MCP Server

MCP server that plugs AI assistants straight into GovSpend, a US public-sector market intelligence platform, so an assistant can bring real contracts, active bids and agency spending into the conversation instead of the user leaving to look them up.

GovSpend AI Search

Natural-language search over GovSpend's public-sector data: instead of building a query out of filters, you ask what you want to know and the platform finds the contracts, bids and spending behind it.

Python

LangChain

Airflow

FastAPI

pgvector

Elasticsearch

Docker

PostgreSQL

Key Achievements

Implemented Airflow-based data ingestion pipeline for periodic loading into vector database, serving contextual data for a RAG system
Built RAG pipelines with LangChain featuring hybrid search (semantic + lexical) with pgvector and Elasticsearch
Developed backend services and AI pipelines with FastAPI and Laravel

Notable Projects

RAG Platform for HR Teams

AI-powered Retrieval-Augmented Generation platform enabling HR teams to search resumes that best match job descriptions through iterative improvements.

Code Chatbot Assistant

Conversational assistant for Advanced RAG Architecture training, capable of indexing project files and documentation for contextualized code support.

Laravel 11/12

Svelte 5

Docker

PostgreSQL

SQL Server

Eloquent ORM

Sanctum

Postman

Key Achievements

Developed a Laravel-based system integrating Mercado Libre's OAuth for seller authentication and order/shipping data retrieval
Built frontend interfaces using Svelte 5; containerized applications with Docker
Achieved 3x query performance improvement for supply chain integration

Notable Projects

Mercado Libre API Integration

End-to-end integration with Mercado Libre's APIs featuring OAuth2 authentication and real-time order/shipment synchronization.

Interested in my journey? Connect on LinkedIn →

Projects & Skills

Work I have shipped, and the stack behind it

MCP

GovSpend MCP Server

AI Developer · Folder IT·Oct 2025 – Present·Co-lead developer

Live

Featured

GovSpend's public-sector procurement data as tools an AI assistant can call on its own.

MCP Protocol

Streamable HTTP

OAuth 2.1

Read the full story

GovSpend AI Search

AI Developer · Folder IT·Oct 2025 – Present·Developer

Live

Featured

Natural-language search over GovSpend's data: you ask, and the platform answers with real records.

MCP Protocol

AI agents

Chat UI

Read the full story

Sonli · Worship Ministry, Organized

Personal Project·Founder & Lead Developer

User testing

Featured

A mobile app that helps church music teams manage songs, setlists and rehearsals, offline-first.

React Native

TypeScript

Offline Sync

REST API+1

Read the full story

biblelinked · Interactive gospel map

Personal Project

Live

Featured

The four gospels as a graph you can explore: 526 sections and 133 sets of parallels, curated by hand.

Next.js

React

TypeScript

Tailwind CSS+2

Read the full story

Other projects

RAG Platform for HR Teams

Backend Developer · Folder IT·Jun 2025 – Oct 2025

AI-powered Retrieval-Augmented Generation platform enabling HR teams to search resumes that best match job descriptions through iterative improvements.

Python

FastAPI

LangChain+6

Code Chatbot Assistant

Backend Developer · Folder IT·Jun 2025 – Oct 2025

Conversational assistant for Advanced RAG Architecture training, capable of indexing project files and documentation for contextualized code support.

Python

LangChain

FastAPI+4

Mercado Libre API Integration

Full Stack Developer · Folder IT·Feb 2025 – Jun 2025

End-to-end integration with Mercado Libre's APIs featuring OAuth2 authentication and real-time order/shipment synchronization.

Laravel

Svelte 5

PostgreSQL+3

Stack

AI & Data

LangChain

Mastra

FastMCP

MCP Protocol

Airflow

RAG Pipelines

pgvector

Elasticsearch

Scikit-Learn

Pandas

NLP

Prompt Engineering

Programming Languages

Python

JavaScript

TypeScript

Java

PHP

C++

Backend Development

FastAPI

Laravel

Spring Boot

Node.js

Eloquent ORM

Prisma ORM

Frontend Development

Svelte 5

React

Next.js

React Native

Tailwind CSS

Databases

PostgreSQL

SQL Server

MySQL

MongoDB

SQLite

DevOps & Tools

Docker

Git

GitHub

Postman

Swagger

Jupyter Notebook

Methodologies

Agile/Scrum

Jira

Confluence

Notion

Redmine

Explore more on GitHub →

Education & Learning

Academic foundation and continuous professional development

Formal Education

Systems Engineering (expected 2026)
Universidad Tecnológica Nacionalopens in a new tab
2020 – PresentSanta Fe, Argentina
Final project: Mobile app for music resource management for bands
Bachelor's Degree in Theology
Universidad Cristiana Logosopens in a new tab
2026 – PresentJacksonville, United States · Remote
In progress · agreement with IBJM
Theological Studies
Instituto Bíblico Jorge Müller (IBJM)opens in a new tab
2022 – 2025Argentina
Completed
Bilingual Assistant (Spanish-English)
E.E.T.P. N° 279 'Teniente Benjamín Matienzo'
2015 – 2019Argentina
Completed

Courses & Certifications

Credentials on LinkedIn

Volunteering

Active service at IJME, Sunchales (2015–2021, 2025 – present)
Music service, networking & customer service at summer camps at WOL Argentina (2019, 2022–2025)
Music service at JEA Santa Fe (2022–2025)

Certifications

DeepLearning.AI (2025)

LangChain · RAG · Vector DBs · Pydantic

Other Certifications

NLP/GenAI · Cambridge PET · German A1 · Portuguese

Let's Connect

Ready to collaborate? Let's discuss how we can bring your ideas to life.

Get in Touch

I'm always open to new opportunities, projects, or collaborations. Feel free to reach out through any of the channels below.

Email Address

Show email

linkedin.com/in/juanhuaco

GitHub

github.com/juanhuaco

Location

Santa Fe, Argentina

I typically respond within 24–48 hours.

Juan HuacoBuilding scalable systems and AI-powered applications.

About Me

Professional Summary

Core Values

Proactivity

Teamwork

Continuous Growth

Languages

Beyond the Code

Professional Experience

AI Developer

Key Achievements

Notable Projects

GovSpend MCP Server

GovSpend AI Search

Backend Developer

Full Stack Developer

Laboratory Management Assistant

Web Developer

Projects & Skills

GovSpend MCP Server

GovSpend AI Search

Sonli · Worship Ministry, Organized

biblelinked · Interactive gospel map

Other projects

RAG Platform for HR Teams

Code Chatbot Assistant

Mercado Libre API Integration

Stack

AI & Data

Programming Languages

Backend Development

Frontend Development

Databases

DevOps & Tools

Methodologies

Education & Learning

Formal Education

Systems Engineering (expected 2026)

Bachelor's Degree in Theology

Theological Studies

Bilingual Assistant (Spanish-English)

Courses & Certifications

LangChain for LLM App Developmentopens in a new tab

Pydantic for LLM Workflowsopens in a new tab

Vector Databases: Embeddings to Applicationsopens in a new tab

Building and Evaluating Advanced RAGopens in a new tab

LangChain Chat with Your Dataopens in a new tab

NLP, Generative AI & Knowledge Graphsopens in a new tab

German A1 Levelopens in a new tab

Cambridge PETopens in a new tab

Advanced Portugueseopens in a new tab

Volunteering

Certifications

Let's Connect

Get in Touch

Email Address

LinkedIn

GitHub

Location

Send a Message