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Senior Research Engineer

Decagon· Engineering
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San Francisco, New York City$200k - $400k + equityFull-timePosted 11mo ago

About the role

Senior Research Engineer responsible for building industry-leading conversational AI models from idea to production, owning multi-quarter initiatives to improve agent reliability, capability, and efficiency.

Responsibilities

  • Lead research and engineering efforts to improve core conversational capabilities in production, including instruction following, retrieval, memory, and long-horizon task completion
  • Build and iterate on end-to-end models and pipelines that optimize for quality, efficiency, and user experience
  • Partner with platform and product engineers to integrate new models into production systems
  • Break down ambiguous research ideas into clear, iterative milestones and roadmaps.

Qualifications

  • 4+ years of experience in AI/ML engineering or research
  • Prior experience post-training and deploying LLMs in production environments
  • Fluency in Python and modern ML tooling (training, evaluation, data pipelines)
  • Track record of taking research ideas from prototype → reliable, measurable production impact

Skills

Required:AI/ML engineeringLLM deploymentPythonModel training / evaluation pipelines

Benefits

  • Medical, Dental, and Vision benefits for you and your family
  • Life Insurance and Disability Benefits
  • Retirement Plan (e.g., 401K, pension)
  • Parental Leave
  • Fertility and family building benefits through Carrot
  • Monthly stipend to support your wellness, lifestyle, and work-life balance
  • Daily lunches and snacks in the office
  • Take what you need vacation policy (subject to local requirements; UK employees receive 25 days of statutory leave)
Last updated Sep 9, 2026. Interested? Apply on the company site.

About Decagon

Conversational AI for Customer Experience

Reimagine your customer experience with AI agents, built for the enterprise.

AI agentsCXConversational AICustomer Experienceai-agents-and-applicationsorchestrationvoice-ai-stackwing-list-2026
Company profileWebsite

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