AI Engineer
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Job Description
Engenheiro de IA construindo a arquitetura e observabilidade da plataforma de agentes do PagBank. Desenvolvendo frameworks, métricas, segurança e MVPs para soluções financeiras escaláveis.
Responsibilities:
- Build and evolve the core architecture of the AI agent platform, ensuring standardization, governance, and high reusability
- Build and integrate robust tracking, metrics, evaluation, logging, observability, and auditing mechanisms for the agents' lifecycle
- Assess AI agent initiatives by understanding needs, behavior patterns, interactions, and orchestration requirements
- Contribute to the internalization of critical components, ensuring control, security, and consistency across the ecosystem
- Connect with other AI initiatives to ensure technical alignment and share learnings
- Develop foundational MVPs such as standardized documentation, agent templates, monitoring tools, and observability protocols
Requirements:
- Bachelor's degree in Information Technology or a related field
- Knowledge of prompt engineering techniques (few-shot, self-ask, chain-of-thought, tree of thoughts)
- Experience with A/B testing of prompts and evaluation of model responses
- Knowledge of distributed systems architecture, with the ability to design and implement scalable, highly available solutions
- Experience with app or machine learning platforms and pipelines
- Hands-on experience with AI agents, orchestrators, or frameworks such as LangChain, LlamaIndex, SpringAI, or equivalents
- Proven software development experience in high-complexity environments
- Experience with Cloud environments (AWS, OCI)
- Knowledge of embedding, vectorization, and RAG techniques
- Understanding of prompt security and prompt injection mitigation
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