[00_INDEX]

David
Quintanilla

Software engineer specializing in Full Stack & Agentic AI architecture.

CONNECTDOWNLOAD CVLeading frontend for US clients
David Quintanilla
7+
years shipping software
97
public repos on GitHub
MSc
AI & Big Data

[01_LOG]

Experience

Seven years building product frontends, Python backends and agentic AI workflows for distributed teams.

Frontend Tech Lead · Full Stack

Epallet / via TeamsWell

2023 — PRESENT

  • Lead the frontend team: mentoring, standards, code reviews and architecture decisions.
  • Own delivery of new features end to end, from design handoff to production release.
  • Ship agentic AI features and Claude-powered workflows into the product and the dev process.
  • Heavy backend contribution in Python/Django: APIs, data models, integrations.

Senior Frontend Developer

Arda / via TeamsWell · logistics

2023 — 2024

  • Built the frontend infrastructure from scratch (Next.js, TypeScript).
  • Designed and owned the full CI/CD pipeline to AWS — build, test automation, production infra.
  • Established the automated testing strategy, including AI-assisted test generation.

Software Engineer

CH2 Solutions

2022 — 2023

  • REST APIs in Python (Flask) with Shopify integrations; unit tests in Go.

AI Engineer

E&S Global

2020 — 2022

  • AI solutions for businesses of all sizes: Python/Django backends, analysis, web scraping, AWS.

EARLIER: IMPACTO LABS (WEB3, CARDANO) · ELANIIN (REACT + DJANGO) · VINCU (LED WEB DEPT)

[02_REPOS]

Selected repos

97 PUBLIC REPOS. A FEW PINS:

github.com/davequinta →
rag-evaluation-testPYTHON

Evaluation harness for RAG pipelines — measuring retrieval quality and answer faithfulness.

ChefbotAPIJAVASCRIPT

API behind Leo, the Fibonacci App chatbot.

DefaultClassifier-RestAPIJUPYTER

ML credit-default classifier served as a REST API.

CastleFortress-APIJAVASCRIPT

Game backend API — Node.js.

admin-pasalavozsvVUE

Admin dashboard for PasaLaVoz SV.

fullstack-python-assessment-ctPYTHON

Full-stack Python build: API + frontend.

[03_STACK]

Core toolkit

AGENTIC AI

  • Claude API
  • Claude Code
  • LLM agents
  • MCP
  • Prompt engineering

FRONTEND

  • Next.js
  • React
  • TypeScript
  • Tailwind CSS

BACKEND

  • Python
  • Django
  • FastAPI
  • Node.js

CI/CD

  • GitHub Actions
  • Docker
  • CloudFormation

CLOUD

  • AWS ECS
  • S3
  • CloudFront

DATABASES

  • PostgreSQL
  • MongoDB

[04_CREDENTIALS]

Education & certs

2022 — 2024

Master's, AI & Big Data

Universidad Isabel I

2015 — 2020

Informatics Engineering

José Simeón Cañas Central American University (UCA)

  • HCIA Big Data · Huawei
  • Azure AI Fundamentals · Microsoft
  • AutoML on AWS · DeepLearning.AI
  • AWS Machine Learning · Udacity
  • NLP in Python · Datacamp
  • HCIA AI · Huawei
  • GDG Organizer · San Salvador

[05_CONTACT]

Let's build something.

Freelance, contract or full-time — if it involves shipping real product with AI in the loop, I want to hear about it. Fast replies, honest estimates.

hello@davidquinta.techLINKEDINGITHUBDOWNLOAD CV