Juan C - Full Stack Engineer

Summary

Engineer with over 12 years of experience in software development. Specialist in Python (9 years), Java (12 years), and full-stack development. Expert in migration from legacy to microservices architecture, DevOps, and mobile development. Proven track record leading complex technology migrations and optimizing systems to improve performance by up to 70%. Passionate about creating scalable, high-impact solutions.

Technical Skills

Languages

Python (9 years), Java (12 years), Kotlin (4 years), JavaScript (6 years), Go (2 years), TypeScript

Frameworks

FastAPI, Django, Flask, Spring Boot, GraphQL, Node.js, ExpressJS, NX, React Native

Databases

MySQL, PostgreSQL, MongoDB, SQLite, SQL Server 2025, Redis

AI / ML

PyTorch, CUDA, sentence-transformers, LangChain, Claude AI

DevOps & Cloud

Docker, Kubernetes, AWS (AppSync, CloudFront, Lambda, EC2, S3), NGINX, GitHub Actions

Architecture

Monoliths, Microservices, Hexagonal, Agile, Waterfall

Work Experience

Team Lead

Orion Mobility

Remote | Nov 2025 - Jan 2026

Built high-performance document search system with GPU-accelerated semantic search. Implemented hybrid search engine achieving sub-second query times across 800+ policy documents. Developed RESTful API with FastAPI for real-time expense validation.

Team Lead

Attom Labs

Remote | Mar 2025 - Nov 2025

Led team that built the second generation of a fiber optic internet platform. Migrated PHP monolith to microservices using NX monorepo. Implemented 11 microservices, web app, and React Native mobile app. Coordinated DevOps for deployment on AWS with Kubernetes.

Team Lead

J Blanton Plumbing

Remote | Jul 2024 - Mar 2025

Migrated WordPress to GO and Next.js. Built admin dashboard with real-time statistics. Implemented real-time chatbot using Claude models on AWS. Created SEO review algorithm for 5,000+ pages. Optimized static resources with S3 and CloudFront on AWS.

Team Lead

Devsu

Remote | Aug 2022 - Jun 2024

Migrated React Native app to native Kotlin for 100,000 users (Fiducia, Ecuador). Migrated PHP API to Python with FastAPI and GraphQL for 80,000 daily users (Ciba Health, USA). Implemented security features with facial recognition and encryption.

Full Stack Developer

D3sarrollo

Remote | Jan 2017 - Apr 2022

Developed web and mobile applications for small businesses. Built microservices architecture systems. Deployed on AWS. Developed and maintained Android app "Topografia GPS" (available on Google Play).

Developer

Ministry of Public Health

Guatemala | Jan 2014 - Dec 2016

Developed offline SIGSA system for statistical control across Health Areas, Centers, Posts, and Hospitals using Python, Django, and JavaScript.

Education

Bachelor's Degree in Engineering

Universidad de San Carlos de Guatemala

2007 - 2018

Certifications

React & TypeScript - The Practical Guide (Udemy)

Langchain and LLM: Develop AI Applications in Python (Udemy)