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Sema4.aiSema4.ai

Staff Engineer, AI

Designs, builds, and owns core cognitive architectures for enterprise AI agent platform, blending AI research with production systems. Requires 7+ years engineering with 2+ years AI/ML production experience and deep Python backend expertise.

About the job

Responsibilities

  • Develop and evolve core agent framework components, orchestration logic, and LLM integration layers.
  • Own systems end-to-end for business-critical workloads.
  • Collaborate with product and field engineering teams to translate customer needs into robust systems.
  • Solve ambiguous problems like improving agent reliability, managing workflows, balancing cost/performance, and integrating new models.
  • Participate in design/code reviews, shape technical standards, and interview candidates.

Requirements

  • 7+ years software engineering experience, including 2+ years building AI/ML systems in production.
  • Deep experience with backend systems in Python (performance, observability, reliability).
  • Hands-on experience designing/operating LLM-based systems (agents, orchestration, retrieval, tools).
  • Strong communication skills.
  • High-ownership mindset.

Skills

Python, LLMs, AI Agents, Orchestration, Retrieval Augmented Generation, Backend Systems, Observability, Machine Learning, Generative AI

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