Senior AI Engineer – Python

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🕒 May 20

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Itaú Unibanco

WebsiteLinkedInAll Job Openings

10,000+ employees

🏦 Banking

💸 Finance

💳 Fintech

Banking • Finance • Fintech

Itaú Unibanco is a leading financial institution in Brazil that provides a wide range of banking services including retail banking, investment banking, and asset management. Committed to innovation and technology, Itaú Unibanco serves over 55 million clients through its extensive network of branches and digital platforms. The bank also emphasizes diversity and inclusion in its workforce, fostering a culture that values different perspectives to drive transformation and enhance customer experience.

📋 Description

• You will join the Finance Cognitive Platform Engineering team, responsible for building and evolving AI solutions that support financial decision-making at scale at Itaú Unibanco. • Develop agents and skills using LangGraph (or the currently used framework). • Implement versioning, deployment, and rollback pipelines for agents. • Create and maintain an agents catalog/registry with metadata, ownership, and policies. • Instrument agents with tracing and quality metrics via Datadog (latency, hallucination, feedback). • Collaborate with business areas to translate requirements into cognitive capabilities.

🎯 Requirements

• Strong Python (the primary language of the agents ecosystem). • Practical experience with LLMs: integrating with model APIs (Bedrock, OpenAI) and applied prompt engineering. • Agent architecture: flows with tool-calling, subagents, context management, and memory. • Software engineering: testing agents (deterministic tests + LLM-as-judge evaluations), CI/CD, and semantic versioning. • AWS: ECS (current runtime), S3, DynamoDB or similar for state/memory. • Observability: Datadog APM, tracing of LLM calls (LangSmith or Datadog LLM Observability integration). • RAG: chunking, embeddings, and retrieval strategies. • Context engineering: context window optimization, compression, and prioritization. • Multi-Agent Systems: orchestration, delegation, and communication protocols. • Familiarity with the financial domain (accounting close, financial analyses).

🏖️ Benefits

• Transportation allowance (Vale-Transporte). • Meal voucher (restaurants) / Food voucher (supermarkets). • Health plan (Fundação Saúde Itaú or Central Nacional Unimed). • Dental plan (Odontoprev or Interodonto). • Life insurance. • Profit-sharing (PLR) — Participation in Profits and Results (subject to the bank's results). • Private pension (retirement plan). • Exclusive discounts on our financial products. • Extended maternity and paternity leave. • Childcare / babysitting assistance (for parents). • Education assistance. • Wellhub or TotalPass. • Access to Itaú leisure clubs (Guarapiranga / Itanhaém and São Sebastião). • + Some additional perks you can learn about during the process 😊