Twilio

Sr AI Architect - Conversational AI

Twilio
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2 months ago
Remote, United StatesStaff+
H1B sponsor

Base Salary

$276k - $406k/yr

Responsibilities

  • Define and drive Twilio’s long-term AI/ML architectural vision for data- and memory-powered customer engagement.
  • Own the strategic roadmap for the company-wide ML/AI Ops platform and tooling across model development, deployment, and lifecycle management.
  • Evaluate and implement LLM architectures, RAG systems, MCP/tooling frameworks, and inference optimization techniques.
  • Lead the architecture of agentic AI systems covering orchestration, reasoning, tool usage, and contextual grounding.
  • Track advances in LLMs, agent frameworks, reasoning systems, and AI infrastructure.
  • Move between executive-level technical communication and hands-on code reviews and pair programming with engineers.
  • Partner with Product Management to translate roadmaps into technical milestones tied to customer value.
  • Provide hands-on technical contributions, strategic direction, and mentorship as a player-coach.
  • Serve as a Distinguished Engineer and AI Contextual Engineering subject matter expert, guiding architects and influencing company-wide technical direction.

Requirements

  • 15+ years of software engineering experience, including at least 6+ years building and scaling production-grade ML systems at a platform level.
  • Extensive experience with ML Ops and LLM Ops patterns, including evaluation metrics, automated retraining loops, and monitoring non-deterministic AI features at scale.
  • Deep expertise in production ML/AI system design, architecture, and deployment, including transformer models, LLM orchestration, embedding models, inference optimization, and vector stores.
  • Deep understanding of Context Engineering, including semantic retrieval, contextual compression, and multi-turn conversation state management.
  • Experience building cloud-based services using AWS, GCP, or Azure and managing high-volume data and various data stores.
  • Ability to mentor engineers, influence company-wide technical strategy and product direction, and drive cross-company results.
  • Master’s or Ph.D. in Computer Science, Machine Learning, Data Science, Statistics, or a closely related quantitative field.
  • Relevant publications at top ML conferences or significant open-source contributions are desired.
  • Experience designing context-quality evaluation frameworks and enterprise-scale ML/AI Ops platforms is desired.
  • Experience working in a geographically distributed environment is desired.

Benefits

  • Remote role based in the United States
  • Approximately 5% travel anticipated
  • Healthcare insurance
  • 401(k) retirement account
  • Paid sick time
  • Paid personal time off
  • Paid parental leave
  • Wellness leave and retirement savings program
  • Volunteer and donation support
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