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Engineer III - AI

External
frostbank logoFrostbank · San Antonio
Full-timeOn-site2w ago
CachingFastAPILangChainLLMsPrompt EngineeringPython
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Responsibilities

  • Design and architect intelligent systems and workflows that leverage agentic behavior and LLM decision-making capabilities
  • 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
  • Act as a system designer and workflow architect, not just a code implementer
  • 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
  • Always take action using Integrity, Caring, and Excellence to achieve all-win outcomes

Requirements

  • Bachelor's in Computer Science, Data Science, or related field
  • 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 in 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
  • Proficient in Microsoft computer applications
  • Additional Preferred Skills:
  • Experience creating reusable agent libraries or co-pilots
  • Open-source contributions to AI frameworks or tooling
  • Experience with tools like LangGraph, CrewAI, or Autogen

Benefits

At Frost, we care about your health, your family, and your future and strive to have our benefits reflect that. This includes:Medical, dental, vision, long-term disability, and life insurance401(k) matchingGenerous holiday and paid time off scheduleTuition reimbursementExtensive health and wellness programs, including our Employee Assistance ProgramReferral bonus program + more!Health insuranceDental insuranceVision insurance401(k)Performance bonus

Additional Information

Job Description It's about innovation and creation. Are you described as someone with an inquisitive mind and an innovative personality? Are you fascinated by the power of AI and how it can help make lives better? Does solving problems and ensuring top-quality systems excite you? If so, being an Engineer III - AI with Frost could be for you. At Frost, it's about more than a job. It's about having a flourishing career where you can thrive, both in and out of work. At Frost, we're committed to fostering an environment that reflects our values and encourages team members to be the best they can be. In joining our adaptable, integrity-driven team, you'll become part of Frost's over 150-year legacy of providing unparalleled banking services.

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