Hi, I'm Tu đź‘‹
Backend Engineer. I build scalable, secure APIs and AI-powered systems for real-world applications.
Backend Engineer with 5+ years of experience building high-performance systems in healthcare, e‑commerce, and education. Specialized in Python, FastAPI, Django, AWS, and Generative AI. Strong engineering discipline using TDD, clean architecture, CI/CD, and cloud‑native tooling.
01. Work Experience
N
Neural Technology Solutions
2025 - Present
Senior API Developer (Python)
Developed a clinical trials form‑building platform using Python, Flask, and Connexion with OpenAPI 3.0. Automated CI/CD pipelines and ensured compliance with medical data standards while collaborating with cross‑functional teams.
C
Crecerlab
2024 - 2025
AI Applied Engineer
Built scalable FastAPI services integrating LLMs (ChatGPT, Claude) and LangChain. Implemented WhatsApp Business API integrations, Cardnet payment gateway, and optimized backend performance using TDD and clean architecture.
C
Codemera S.R.L
2020 - 2024
Fullstack Developer
Rebuilt Kastaco’s backend with Django Rest Framework. Enhanced Printhouse’s e‑commerce platform, integrating external systems and improving conversions. Worked with Python, Rails, PostgreSQL, and cloud deployment tools.
M
Malla Agency
2023 - 2024
Software Developer — Consultant
Developed custom software solutions and provided technical support. Improved system workflows through algorithmic optimizations using Python, JavaScript, and SQL.
O
OZ Sports
2019 - 2020
Linux Administration & Technical Support
Managed Linux servers for OTT services ensuring 99.9% uptime. Automated administrative tasks with shell scripting, improving operational efficiency by 20%.
02. Education
E
ExamPro — GenAI Bootcamp
2025 - 2025
AI Engineer
C
Coursera
2022 - 2022
Software Design & Architecture Specialization
U
Universidad Dominicana O&M
2017 - 2021
B.S. Systems Engineering
03. Skills
PythonFastAPIDjangoFlaskLangChainAWSPostgreSQLMongoDBRedisDockerGitHub ActionsCI/CDNLPSpeech RecognitionJavaScriptReact
04. Featured Projects
Japanese Text Adventure Game
An AI‑powered language learning game using NLP to dynamically introduce vocabulary as the story evolves.
FastAPILLMsLangChainPython
Speech‑to‑Learn App
Real‑time speech recognition learning platform evaluating ASR models and providing instant feedback.
ASRPythonFastAPIDeep Learning
ASL Finger‑Spelling Recognition
Computer‑vision model for recognizing ASL finger‑spelling gestures for educational use.
Computer VisionPythonDeep Learning
What's Next?
Get in Touch
I'm currently looking for new opportunities. Whether you have a question or just want to say hi, I'll try my best to get back to you!