AI Engineer (Python LLM Agents) Senior (Brazil Argentina)
Buenos Aires - Argentina
Job Summary
AI Engineer (Python / LLM / Agents) - Senior
Remote (Argentina / Brazil) / Hybrid (Sao Paulo)
Full-time
English C1
About the role
Were looking for a Senior AI Engineer to design build and scale AI-powered systems used in real-world high-impact environments.
Youll work on building production-grade AI applications including LLM-based pipelines agent workflows and real-time inference systems collaborating closely with product and domain experts.
This is an end-to-end ownership role from system design to production including performance reliability and continuous improvement.
What youll do
Design and build Python microservices (FastAPI) for real-time inference and data processing
Develop and maintain LLM-based pipelines and agent workflows
Own AI systems end-to-end (design deployment monitoring optimization)
Integrate AI models into production systems
Build evaluation and monitoring systems for model performance
Optimize performance latency and cost of AI systems
Collaborate with cross-functional teams to translate business needs into technical solutions
What were looking for
Strong experience in backend development with Python
Experience building production AI systems (not just models)
Hands-on experience with:
LLMs and agent-based systems
RAG pipelines vector databases or similar
Experience designing scalable systems (high traffic / real users)
Experience working with APIs and microservices
Strong problem-solving and ownership mindset
Fluent English (C1) required for daily communication
Nice to have
Experience with frameworks like LangChain LangGraph or similar
Experience with FastAPI
Experience with vector databases or graph databases
Experience in high-growth or startup environments
Experience in regulated industries (e.g. healthcare fintech)
Work model
Remote (Argentina or Brazil) / Hybrid (Sao Paulo)
Full-time
International team
Note
This role requires strong hands-on experience building AI systems in production environments. We are not looking for purely academic or research profiles.
How to apply
Please apply directly following the link.
If it does not suit you please share it with your colleagues.
Thanks!