Staff ML Engineer - Remote, Agentic AI & LLM Systems

Aimlroles; Northern (KY); Hybrid; USD 230,000 - 300,000; Full time

Benefits offered by this job

Comprehensive medical, dental, vision

Flexible PTO

Parental leave

Retirement savings plan

Remote work setup budget

Wellness stipend

In‑office meal program

Job summary

Cresta is building next‑generation Agentic AI systems that augment contact center agents in real time. You will architect scalable ML systems, drive multi‑agent orchestration, and define evaluation frameworks to ensure reliability and cost‑efficiency.

Join a senior team shaping enterprise AI with a strong emphasis on production readiness, governance, and real‑world impact across major brands.

Qualifications

• Bachelor’s degree in Computer Science, Mathematics, or related field; Master’s or Ph.D. strongly preferred.
• 7+ years of experience building and deploying ML systems in production, including deep hands‑on experience with LLMs at scale.
• Strong leadership in architecting complex AI systems, particularly agentic or multi‑step LLM workflows.
• Experience with transformer models, embeddings, retrieval systems, and RAG pipelines.
• Experience designing evaluation frameworks for LLM systems beyond single-turn prompts.

Responsibilities

• Define and lead the technical vision for Cresta’s next-generation Agentic AI systems.
• Architect scalable, production-grade LLM systems with reasoning, retrieval, planning, tool use, and real-time decision-making.
• Design and evolve multi-agent orchestration frameworks with RAG and knowledge integration.
• Establish best practices for robust, cost-efficient LLM-powered systems at scale.
• Own evaluation strategy for complex AI systems, including offline benchmarks and online experiments.
• Mentor engineers and contribute to AI strategy and roadmap planning.
• Translate cutting-edge research into practical production systems.

Skills

Leadership

Systems thinking

Prototyping

LLMs at scale

Strong experience with ML frameworks

Bias toward action

Education

Bachelor’s degree in CS/Math

Master’s or Ph.D. preferred

Tools

PyTorch

TensorFlow

Hugging Face

Job description

Cresta is building next‑generation Agentic AI systems that augment contact center agents in real time. You will architect scalable ML systems, drive multi‑agent orchestration, and define evaluation frameworks to ensure reliability and cost‑efficiency.

Join a senior team shaping enterprise AI with a strong emphasis on production readiness, governance, and real‑world impact across major brands.