Senior AI Engineer – Python, Agents

• Maintain and enhance existing agents built with LangChain/LangGraph, from architecture through implementation
• Build agent tools connected to the clinic’s business operations and integrate them with APIs and WhatsApp
• Ensure workflow reliability, including persistent state across conversations, queues, retries, and failure handling
• Measure agent quality, cost, and latency using evaluations, logs, and metrics
• Serve as the team’s technical AI reference and collaborate with Product on delivery planning
• Maintain and evolve agents that communicate with patients and staff via WhatsApp and perform real business tasks

• Production experience with Python, FastAPI, and Pydantic
• Experience with LangChain and LangGraph, or another agent framework, and willingness to work with LangGraph
• Experience integrating LLMs into a real-world application, including tool calling, structured outputs, and RAG
• PostgreSQL or MySQL
• Automated testing with Pytest and sound practices such as Clean Architecture
• Asynchronous processing, including queues, webhooks, or messaging
• LLM evaluation (evals) and tools such as Langfuse or LangSmith
• WhatsApp Cloud API or an official provider (BSP)
• Docker and AWS (ECS/Fargate, SQS, Bedrock)
• Security in LLM applications, including prompt injection and data exposure, as well as familiarity with Brazil’s LGPD
• Experience with technical leadership or mentoring
• Experience in healthcare or clinical settings
• Ownership mindset and the proactivity to solve problems beyond the code
• Humility to teach, learn, and ask for help
• Pragmatism to balance speed and quality in a rapidly changing field

• Competitive compensation
• Birthday Day Off
• Wellhub
• Annual paid company shutdown
• Relaxed work environment
• The opportunity to challenge yourself and help build the culture and history of GestãoDS
• Work arrangement: Fully remote
• Working hours: Business hours, Monday through Friday