10d ago

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Wizeline

Senior AI Agent Engineer

$60K - $90K

Argentina, Santiago del Estero Province, Argentina

Senior (10+ years)

AI / ML

Enterprise (1000+)

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Questions about the Senior AI Agent Engineer role at Wizeline

How do you balance LLM reasoning speed with production accuracy?

Balancing LLM reasoning speed with production accuracy requires a multi-layered architectural approach. First, I implement a tiered model strategy, routing simple queries to faster, smaller models while reserving expensive, high-reasoning models for complex, multi-step tasks. To maintain accuracy without latency hits, I utilize caching and semantic search to bypass redundant LLM calls. For critical workflows, I employ deterministic guardrails and structured output validation (e.g., Pydantic) to ensure reliability. Finally, I integrate asynchronous processing for non-blocking agent tasks and implement automated regression testing with evaluation benchmarks to monitor for "drift." This combination allows me to minimize inference overhead while maintaining the high-fidelity, safe, and explainable agent performance required for enterprise-grade production systems.

What metrics do you use to evaluate agent performance beyond accuracy?

Beyond basic accuracy, evaluating production-grade AI agents requires a multi-dimensional approach to ensure reliability and business value. Key metrics include latency, measuring the time-to-first-token and total completion time for multi-step reasoning, and cost-per-task to track token consumption and tool usage efficiency. We prioritize safety and compliance metrics, specifically monitoring PII leakage and adherence to system guardrails. Additionally, we track tool-use success rates and task-completion reliability, ensuring agents successfully navigate complex loops. Finally, we implement automated regression testing and critique-based evaluations—comparing agent outputs against gold-standard datasets or using LLM-as-a-judge patterns to assess coherence, tone, and logical consistency within the specific enterprise domain and conversational context.

How are you addressing the challenge of non-deterministic AI in production?

To address non-deterministic AI in production, I prioritize building robust guardrails and rigorous evaluation frameworks. I implement automated regression testing—leveraging frameworks to benchmark agent performance across diverse test cases—to ensure consistent reasoning outputs. By incorporating structural constraints, such as strict JSON-mode outputs and schema validation, I minimize hallucination risks. Furthermore, I integrate comprehensive observability and monitoring tools to track model drift and latency in real-time. My approach relies on a "human-in-the-loop" strategy where necessary, combined with secondary LLM-based evaluators (critique agents) that verify reasoning accuracy against predefined policies before actions are executed, ensuring that our AI agents remain reliable, secure, and performant within enterprise-grade production environments.

How does Wizeline integrate multi-agent patterns into client projects?

Wizeline integrates multi-agent patterns by leveraging advanced orchestration frameworks like LangGraph, CrewAI, and OpenAI Agents SDK to build robust, tool-augmented reasoning loops. As a Senior AI Agent Engineer, you would design complex, multi-step pipelines that connect LLMs to real-world business systems. The company emphasizes a production-grade approach, utilizing supervisor or critique agent patterns to ensure safety and maintainability. These systems are hardened for scale by incorporating automated regression testing, continuous optimization, and strict security guardrails. By blending high-level agentic reasoning with rigorous software engineering discipline, Wizeline transforms these multi-agent workflows into reliable, enterprise-ready digital products that can execute actions, navigate complex data environments, and adhere to specific business policies.

How do you maintain security guardrails while iterating on agent features?

To maintain security guardrails while iterating on AI agents at Wizeline, I implement a "security-by-design" approach throughout the development lifecycle. I enforce strict PII protection by implementing data masking and input/output validation layers before and after model inference. During iterative testing, I utilize automated regression suites to ensure new prompts or tool integrations do not bypass established safety protocols. By integrating guardrail libraries—like NeMo Guardrails or custom middleware—I monitor agent reasoning paths in real-time. This allows me to decouple security logic from core business logic, ensuring that as we scale, the agent remains compliant with enterprise policies, avoids prompt injection, and operates within safe, predefined operational boundaries.