Principal AI Engineer jobs in United States
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Zenotis Group · 4 hours ago

Principal AI Engineer

Zenotis Group is seeking a Principal AI Engineer who combines deep theoretical knowledge of NLP with the ability to architect scalable, production-ready systems. The role involves designing high-reliability inference systems, defining advanced NLP strategies, and mentoring the engineering team on cutting-edge research.

Information Technology & Services
Hiring Manager
Savita Chaudhary
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Responsibilities

Architect high-reliability inference systems that solve the "hallucination problem" inherent in Large Language Models. You will move beyond out-of-the-box solutions to build defensible, proprietary IP
Define the strategy for domain adaptation and long-context reasoning. You will perform first-principles analysis to select the right approach (RAG, Fine-Tuning, or novel methods) based on rigorous benchmarking
Design and build proprietary evaluation frameworks to rigorously measure the performance and safety of our models before they touch client code
Mentor the engineering team on the mathematical underpinnings of Transformer architectures and current SOTA research

Qualification

Advanced NLP StrategyAdvanced LLM InternalsApplied ResearchCustom Inference PipelinesPythonArchitecture DesignInterest in Code GenerationPublished ResearchMentoring

Required

Advanced Degree: Masters or PhD in Computer Science, AI, or related field (or equivalent top-tier research lab experience)
Advanced LLM Internals: You understand the specific failure modes of modern architectures regarding long-context recall, reasoning drift, and hallucination triggers in complex logic. You don't just fine-tune; you know how to mathematically constrain model outputs to ensure high-fidelity results
Applied Research: 8+ years of experience, with a track record of taking complex ML research and deploying it into production environments
Beyond APIs: Experience building custom inference pipelines, optimizing vector search algorithms, or designing complex retrieval systems
Engineering Excellence: Strong proficiency in Python. You write clean, modular, object-oriented code, not just 'notebook scripts.'

Preferred

Interest in Code Generation, Program Analysis, or Semantic Parsing
Experience with open-source LLM orchestration (LangChain, DSPy, LlamaIndex) but with a critical understanding of their limitations
Published research or technical blog posts on Applied NLP

Company

Zenotis Group

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Zenotis Group is among the fastest-growing Talent Acquisition firms across North America and India.

Funding

Current Stage
Growth Stage
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