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Frost · 18 hours ago

Engineer III - AI

San Antonio, TX

Full-time

Onsite

Mid, Senior Level

4+ years exp

Frost is a leading bank in the U.S. dedicated to providing exceptional banking services. As an Engineer III - AI, you will design intelligent systems and workflows, lead technical efforts on AI reliability, and collaborate with product leaders to define outcomes and metrics.

Banking

Comp. & Benefits

H1B Sponsor Likely

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

Qualification

AI/ML systemsPrompt engineeringPythonEvent-driven designAPI orchestrationTool orchestrationAgent loop optimizationMicrosoft applicationsCommunication

Required

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

Preferred

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

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 our Employee Assistance Program

Referral bonus program + more!

Company

Frost

Glassdoor4.2

Frost provides banking, investments, and insurance services to businesses and individuals throughout Texas.

Founded in 1868

San Antonio, Texas, USA

5001-10000 employees

https://www.frostbank.com/

H1B Sponsorship

Frost has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)

Distribution of Different Job Fields Receiving Sponsorship

Represents job field similar to this job

Trends of Total Sponsorships

2025 (12)

2024 (8)

2023 (19)

2022 (6)