Principal Engineer, Agentic AI Systems

Inflection AI
Palo Alto
Workplace: OnsiteFull timeUSD 400,000 - 550,000 annuallyFunction: Data Science & Machine LearningEducation: bachelorsSkills: ["Ownership","Collaboration","Mentoring","Problem-solving"]

Hands-on Principal Engineer to lead the architecture and technical direction of Inflection's agentic AI systems. Build production AI agents, design architectures for task decomposition and safe execution, and create evals/observability. Integrate agents with APIs, databases, and SaaS tools; drive reliability, guardrails, and human-in-the-loop controls while mentoring engineers and shaping technical standards.

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FursaFursa
Inflection AI
Inflection AI
2 months ago

Principal Engineer, Agentic AI Systems

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Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 2 hours agoStatus: Live

Job Summary

Hands-on Principal Engineer to lead the architecture and technical direction of Inflection's agentic AI systems. Build production AI agents, design architectures for task decomposition and safe execution, and create evals/observability. Integrate agents with APIs, databases, and SaaS tools; drive reliability, guardrails, and human-in-the-loop controls while mentoring engineers and shaping technical standards.
Location: Palo Alto
Workplace: Onsite
Employment Type: Full time
Job Function: Data Science & Machine Learning

Key Responsibilities

  • •Build production AI agents that can plan, retrieve context, call tools, take actions, and recover from failures.
  • •Design agent architectures for task decomposition, tool routing, memory, state management, human approval, and safe execution.
  • •Create evals and observability systems for multi-step task success, tool-call accuracy, hallucination resistance, latency, cost, and failure modes.
  • •Integrate agents with APIs, databases, SaaS tools, enterprise systems, internal systems, and user-facing workflows.
  • •Improve reliability through structured outputs, guardrails, fallback paths, monitoring, permissions, auditability, and human-in-the-loop controls.

Pay and Benefits

Salary: USD 400,000 - 550,000 annually
Equity and Bonus:Equity
Perks:MedicalDentalVision401k MatchingPaid LeaveParental LeaveVisa Support

Key Requirements

  • •10+ years of engineering experience, including 3+ years at staff/principal or equivalent scope, and 2+ years building production-grade agentic or LLM-powered systems used by real customers.
  • •Strong Python or TypeScript experience.
  • •Experience building LLM-powered products, AI agents, RAG systems, automation workflows, or model-integrated applications.
  • •Strong backend engineering fundamentals, including APIs, databases, queues, testing, observability, cloud infrastructure, and deployment.
  • •Experience with tool/function calling, structured outputs, embeddings, retrieval, prompt design, and model evaluation.
Experience:AILLMAgenticProduction
Education:Bachelor's
Skills:OwnershipCollaborationMentoringProblem-solving
Languages:English
Tech Stack:PythonTypeScriptAPIsDatabasesQueuesCloudVector databasesLangGraphLlamaIndexOpenAIAnthropicHugging FaceVLLM

Company Brief

Inflection AI
Develops conversational AI and personal-assistant technologies, including the Pi chatbot, to enable more natural human–computer interaction and simplify access to information and productivity tools.
Industry: AI & Machine Learning
Company Size: Medium (51 to 250 employees)
Growth: Early Stage Startup
Headquarters: Palo Alto, United States
Founded: 2022
WebsiteLinkedIn