AI Engineer

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AI Engineer in Others

Jeeves
Full time
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10/11/2026
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São Paulo, Brazil

Responsibilities

Own finance workflows end to end, from problem definition and design through production launch, evaluation, monitoring, and iteration.
Design and build agentic and LLM-based systems using extraction, retrieval, reasoning, tool use, structured outputs, validation, fallbacks, and confidence scoring.
Build retrieval and RAG components using chunking, embeddings, vector search, and re-ranking where workflows require grounding in customer documents or policies.
Integrate AI services with backend systems using clear API contracts, retries, graceful degradation, and per-customer data isolation.
Create evaluation sets, automated evaluations, logging, tracing, dashboards, alerts, and audit trails for AI decisions.
Set shared AI engineering patterns and tooling, review system designs, and help other engineers use coding agents and AI tools effectively.
Work directly with customers, finance users, Product, and Backend Engineering to define workflow needs and success criteria.

Requirements

7+ years of professional software engineering experience, including at least 2 years building and operating LLM or AI-powered systems in production.
Experience owning a large system or workflow end to end with limited direction, from scoping and design through launch and iteration.
Hands-on experience shipping LLM-powered applications with APIs such as Anthropic or OpenAI, including structured outputs, error handling, and evaluation.
Experience designing agentic or multi-step AI workflows or RAG systems with vector databases such as pgvector, Pinecone, or Weaviate.
Strong Python proficiency and solid backend fundamentals, including relational databases, asynchronous patterns, and a major cloud provider.
Regular use of AI coding agents and tools such as Claude Code, Cursor, or Codex, with an understanding of their strengths and limitations.
Experience with observability for AI systems, including logging, tracing, dashboards, and quality monitoring.
Professional fluency in written and spoken English.
Preferred: fintech, financial services, regulated-industry, finance or back-office automation, technical leadership, startup or scale-up, open-source, technical writing, public speaking, or Spanish/Portuguese experience.

Benefits

Full-time remote or hybrid work based out of São Paulo, Brazil.
Flexible option to work from the office at complexo JK Iguatemi.
Opportunity to work on production AI systems handling real financial workflows and regulated-product requirements.

Jeeves

Jeeves is a groundbreaking financial operating system built for global businesses that provides corporate cards, cross-border payments, and spend management software within one unified platform. The company operates across 20+ countries including Brazil, Canada, Colombia, Mexico, the United Kingd...

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