Wingz.
Candidate Resume
Juan C
Technical Leader | Senior Full Stack Engineer | Guatemala
Guatemala
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)