Engineer III - AI
Frost Bank10 months ago
San Antonio, TX, USASenior
Responsibilities
- Design and architect intelligent systems and workflows using agentic behavior and LLM decision-making.
- Lead design sessions for agent loop architectures, tool orchestration, and task planning.
- Lead technical efforts for AI reliability, bias mitigation, fairness, explainability, safety, and drift detection.
- Collaborate with product and design leaders to define outcomes and performance metrics.
- Evaluate and optimize agent behavior and system performance using caching, throttling, and fallback strategies.
- Mentor engineers on LLM prompting, agent decomposition, tool design, and best practices.
Requirements
- Bachelor’s degree in Computer Science, Data Science, or a related field.
- At least 4 years of experience with enterprise-grade AI/ML systems.
- Deep understanding of event-driven design, API orchestration, prompt engineering, tool orchestration, planner/verifier roles, and system modularity.
- Strong skills in prompt engineering, memory and context handling, and agent loop optimization.
- Experience leading teams applying LLMs and autonomous agents to real-world problems.
- Strong experience with Python, FastAPI, LangChain, vector databases, and agent loop architectures.
- Excellent written and verbal communication skills and proficiency in Microsoft computer applications.
- Preferred: experience creating reusable agent libraries or copilots, open-source contributions to AI frameworks or tooling, and experience with LangGraph, CrewAI, or Autogen.
Benefits
- Medical, dental, vision, long-term disability, and life insurance.
- 401(k) matching.
- Generous holiday and paid time off schedule.
- Tuition reimbursement.
- Extensive health and wellness programs, including an Employee Assistance Program.
- Employee referral bonus program.
Tech Stack
FastAPIPython
Categories
About Frost Bank
Frost Bank is a Texas-based financial institution providing consumer and commercial banking, investments, and insurance to individuals and businesses across the state. It earns revenue from interest on loans and deposits, fees for treasury and wealth-management services, and insurance brokerage. Founded in 1868 and headquartered in San Antonio, it operates as the principal subsidiary of Cullen/Frost Bankers, Inc. (NYSE: CFR) and ranks among the 50 largest U.S. banks by assets.