Helmut – Python, LLM, Java
Seasoned software engineer with over 15 years of hands-on development across Python, cloud infrastructure (AWS, GCP), and modern AI systems. Most recently, he has focused on integrating large language models (OpenAI, Amazon Bedrock) into real-world applications — including knowledge-based agents, RAG pipelines, and custom diagnostic tools. Skilled in building and deploying scalable systems using Terraform, Docker, and AWS, and experienced with React on the frontend. Brings a strong delivery mindset, combining deep backend engineering with practical AI application expertise.
24 years of commercial experience in
Main technologies
Additional skills
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Let’s get started today!Experience Highlights
Generative AI Software Engineer
A Research and Development project, developing an AI platform similar to ChatGPT web, with additional features like allowing users to build artificial intelligence agents and use user-specific files with the LLM engine.
- Achieved 1200 new users onboarded in the platform MVP in the first year of development.
- Dealt with prompt engineering, automated agents creation, and building software equipped with custom knowledge bases and memory.
- Integrated and developed solutions with leading LLMs on the market (Azure OpenAI and Amazon Bedrock), Retrieval-Augmented Generation (RAG), search engines, Python, and React.
- Deployed and managed scalable environments using Terraform, Docker, and AWS infrastructure.
Tech Lead
A telemedicine scheduling and service platform. The integration of generative AI to assist in real-time patient diagnosis was a key aspect, enhancing the platform's capabilities and user experience.
- Achieved 6000 Patient/Doctor appointments since the inception of the MVP.
- Led the development of the platform and the web, which led to marketing campaign strategies.
- Integrated generative Artificial Intelligence to assist in real-time patient diagnosis.
Software Engineer and Tech Lead
Helmut completed several projects, including:
- Amway e-commerce product recommendation: Java (backend), React (frontend), Kafka with Spring batch (real-time processing), PostgreSQL (RDBMS), AWS, Docker, and Kubernetes for infrastructure.
- Oncoclínicas and Celer Biotechnology's telemedicine platform: video streaming, websockets for signaling servers, a WhatsApp chatbot, SMS, email, and push notifications (Twilio and GCP integrations).
- Algorithmic investment trading: quantum trading for automated investments in stock markets using Metatrader and Python with Selenium for web scraping.
- Developed backend systems using Java and Python.
- Built and maintained integrations with various external cloud tools, along with containerization and orchestration using Docker and Kubernetes.
- Led cross-functional teams, often mentoring less-experienced professionals.
- Took on multiple roles, including technical mentor, problem-solver for high-priority issues, and clear communicator to ensure client satisfaction and alignment with business goals.
- Spearheaded agile, high-pressure deliveries, such as the rapid launch of a telemedicine platform at the onset of the COVID-19 pandemic. This project played a key role in the success of the Oncoclínicas Group, which expanded during the crisis and attracted investment from Goldman Sachs, becoming one of Brazil’s leading healthcare companies.
- Led innovative and technically demanding projects, including a global product recommendation system tailored to individual user profiles for Amway’s e-commerce platform.
Senior Software Engineer
The home automation project involved controlling and monitoring equipment such as cameras, lamps, alarms, and security through user biometrics (Internet of Things).
- Created front-end and back-end architecture;
- Wrote unit, integration, and e2e tests;
- Deployed to Cloud Computing services;
- Set up NoSQL databases.