Helio Lucio

Build and improve AWS-based backend platforms and AI applications, spanning architecture, delivery automation, performance, and cloud cost optimization.

- Operationalized 18 microservices in an inherited AWS platform through CI/CD pipelines and automated API contract testing, enabling large-scale validation with k6 on AWS Distributed Load Testing (DLT).
- Improved platform performance through Red

- Developed and led full-stack AI applications (Python, LangChain, React, LangGraph) for the financial sector, powering 1,500+ unique users, 50k+ sessions, and 1k+ weekly active users, while improving efficiency and scalability of internal workflows.
- Modernized DevOps pipelines, making CI/CD 4× faster and reducing build times by 70% through uv, ruff, and Docker-based optimizations.
- Acted as AI

- Designed and launched GAL, the first Generative AI solution in Latin America for the airline industry, supporting workflows across an employee base of 15,000+ through a LangChain-powered RAG architecture deployed on Azure OpenAI.
- Created a Microsoft Teams bot for GOL Airlines using LangChain and Python, with Redis caching and Celery for asynchronous task management, boosting system capacity fr

- Shipped the “New Builds” feature page for a US-based open-source nonprofit, improving the visibility of community projects as the organization attracted 100+ new contributors.
- Improved frontend performance and Core Web Vitals using React, Next.js, and TypeScript for 400+ active users globally.
- Collaborated remotely with a distributed US team across multiple timezones, following agile practic

- Built a medical AI assistant for a healthcare startup using Python, FastAPI, LangChain, Azure OpenAI, and AWS ECS, enabling 50+ doctors to query 100+ medical documents through RAG.
- Contributed to backend reliability and production scalability with AWS ECS, supporting the product’s sale to a major pharmaceutical company.
- Delivered a custom website for an internet provider using React, Next.js

Bachelor’s degree in Computer Science focused on Software Engineering, Cloud Computing, and Artificial Intelligence. Completed advanced coursework in algorithms, data structures, distributed systems, operating systems, machine learning, and databases.