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TMS, LLC

AI Engineer – Agent Evaluation Specialist

TMS, LLC

. Evaluate LLM-powered agents as the primary focus of the role .

Posted 11/5/2026contractRemote • Los Angeles • California • United StatesSeniorLeadWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates extensive experience in designing and implementing LLM-based evaluation frameworks, with a strong focus on assessing agent response quality and performance. Proficient in collaborating with stakeholders to maintain golden datasets and instrumenting AI agents using Langfuse.

Highest-signal resume keywords
LLM-Based Evaluation FrameworksLangfuse InstrumentationAgent Response Quality AssessmentCollaboration With Business AnalystsEnd-To-End Agent Evaluation

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills
LLM EvaluationAgent Performance MonitoringResponse Quality TestingTool Usage AssessmentReasoning Workflow Analysis
Tools & Technologies
Langfuse
Industry Keywords
Golden DatasetsAI AgentsAgent Execution TracingEvaluation Scores CaptureTroubleshooting Failures

About the role

Key responsibilities & impact
  • Evaluate LLM-powered agents as the primary focus of the role
  • Design, implement, and run LLM-as-a-Judge evaluation frameworks
  • Assess agent response quality, accuracy, relevance, and reliability
  • Collaborate with Business Analysts and stakeholders to create, validate, and maintain golden datasets
  • Instrument AI agents with Langfuse
  • Trace agent execution, capture evaluation scores, monitor performance, and troubleshoot failures
  • Test agent behavior, tool usage, reasoning workflows, and response quality

Requirements

What you’ll need
  • 14+ years of experience
  • Hands-on experience designing, implementing, and running LLM-based evaluation frameworks to assess agent response quality, accuracy, relevance, and reliability
  • Experience collaborating with Business Analysts and stakeholders to create, validate, and maintain golden datasets for agent evaluation
  • Practical experience instrumenting AI agents using Langfuse, including tracing agent execution, capturing evaluation scores, monitoring performance, and troubleshooting failures
  • Strong understanding of end-to-end agent evaluation, including testing agent behavior, tool usage, reasoning workflows, and response quality
  • Actual implementation experience with agent evaluation frameworks; theoretical knowledge or general GenAI/LLM development alone is insufficient