Senior Artificial Intelligence Engineer – Agents

🕒 September 14

🇧🇷 Brazil – Remote

⏰ Full Time

🟠 Senior

🤖 AI Engineer

👻 Ghost score 14%

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PagBank

WebsiteLinkedInAll Job Openings

5001 - 10000 employees

Founded 2006

🛡️ Insurance

💼 Consulting

📦 Logistics

Insurance • Consulting • Logistics

PagBank is a Brazilian fintech and digital banking platform that offers payment processing and merchant services, including POS card machines (maquininhas), mobile payment solutions, and online payment links. It provides digital accounts for consumers and businesses (Conta Digital and Conta PJ), debit and credit cards, investments (CDB, funds), insurance and payroll solutions, and financing/anticipation products via partner banks. PagBank also supplies business management tools (billing, reconciliation, TEF/PlugPag), developer integrations for online sales, and customer support and partner programs.

📋 Description

• 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 throughout the agents’ lifecycle. • Evaluate AI agent initiatives by understanding needs, behavioral 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, ensuring technical alignment and knowledge sharing. • Develop foundational MVPs, such as standardized documentation, agent templates, monitoring tools, and observability protocols.

🎯 Requirements

• Knowledge of prompt engineering techniques (few-shot, self-ask, chain-of-thought, tree of thoughts). • Knowledge of A/B testing for prompts and model response evaluation. • Knowledge of distributed systems architecture, with the ability to design and implement scalable, highly available solutions. • Experience with application or machine learning platforms or pipelines. • Hands-on experience with AI agents, orchestrators, or frameworks such as LangChain, LlamaIndex, Spring AI, or equivalent technologies. • Proven experience in software development in highly complex environments. • Experience with cloud environments (AWS, OCI). • Knowledge of embedding, vectorization, and RAG techniques. • Familiarity with prompt security techniques and prompt injection mitigation.

🏖️ Benefits

• Meal and/or food allowance. • Health and dental insurance. • Life insurance. • Partnerships with TotalPass and ZenKlub. • Extended maternity and paternity leave. • Childcare allowance. • Discounts of up to 50% on graduate programs and MBAs at leading institutions, such as FIA, FAAP, and PUCRS. • No dress code. • Birthday day off. • Baby Gift: gift for newborns.

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