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Engineer III - AI

San Antonio, TX - One Frost💼 Full-time🗓 2026-01-13 → 2026-07-31

Core

Designing and architecting intelligent systems and workflows leveraging agentic behavior and LLM decision-making capabilities for banking services.

Role type

Senior IC AI Engineer (Agentic Systems & LLMs)

Builds

Intelligent workflows, agent loop architectures, and tool orchestration systems for banking operations.

Domain

Banking / Artificial Intelligence / Large Language Models

Deliverable

production ML models

Required skills

LLM decision-making, agent loop architectures, prompt engineering, tool orchestration, event-driven design, API orchestration, system modularity, Python, FastAPI, LangChain, vector databases, bias mitigation, drift detection, caching, throttling, fallback strategies, LLM prompting, agent decomposition

Preferred skills

Reusable agent libraries, co-pilots, open-source contributions to AI frameworks, LangGraph, CrewAI, Autogen

Responsibilities

Design and architect intelligent systems and workflows; Drive design sessions for agent loop architectures, tool orchestration, and task planning; Lead technical efforts on AI reliability, bias mitigation, and drift detection; Collaborate with product and design leaders to define outcomes and performance metrics; Evaluate agent behavior using AI principles (fairness, reliability, explainability, safety); Optimize performance of agentic systems with caching, throttling, and fallback strategies; Mentor engineers in best practices for LLM prompting, agent decomposition, and tool design

Seniority

Senior, hands-on IC

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