Cloudflare

Machine Learning Engineer

Cloudflare

full-time

Posted on:

Location Type: Hybrid

Location: Austin • Texas • United States

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Tech Stack

GoKubernetesPythonTypeScript

About the role

  • Architect Semantic Layers: Design and develop the software infrastructure to layer semantic meaning over our existing data stack, including Kubernetes, Trino, and Iceberg.
  • Build Knowledge Graphs: Construct and maintain large-scale knowledge graphs from unstructured and structured sources to enable advanced reasoning.
  • Develop AI Software: Build production-grade software and APIs that leverage LLMs and Graph RAG pipelines to solve complex business queries.
  • Enhance Data Intelligence: Implement embedding-based retrieval and semantic deduplication to improve the precision and reliability of AI agents.
  • Collaborate on AI Solutions: Work with cross-functional teams to deploy conversational agents and automated diagnostics tools that turn data into actionable business value.

Requirements

  • 3-5+ years of experience in software or machine learning engineering with a focus on AI-driven applications.
  • Expertise in Knowledge Representation: Proven experience building knowledge graphs (e.g., HNSW, Neptune) and using graph-based reasoning for AI.
  • Proficiency with LLMs & GenAI: Hands-on experience with RAG pipelines, fine-tuning (SFT/LoRA), and LLM-as-a-judge evaluation frameworks.
  • Strong Backend Skills: Proficient in Python, Go, or TypeScript, with the ability to build and debug complex software systems.
  • Analytical Mindset: Strong ability to understand how semantic data structures drive business value and improve user decision-making.
  • B.S. or M.S. in Computer Science, Engineering, Mathematics, or related fields.
  • Solid understanding of systems engineering principles and practices.
Benefits
  • Medical/Rx Insurance
  • Dental Insurance
  • Vision Insurance
  • Flexible Spending Accounts
  • Commuter Spending Accounts
  • Fertility & Family Forming Benefits
  • On-demand mental health support and Employee Assistance Program
  • Global Travel Medical Insurance
  • Short and Long Term Disability Insurance
  • Life & Accident Insurance
  • 401(k) Retirement Savings Plan
  • Employee Stock Participation Plan
  • Flexible paid time off covering vacation and sick leave
  • Leave programs, including parental, pregnancy health, medical, and bereavement leave
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
KubernetesTrinoIcebergKnowledge GraphsLLMsGraph RAG pipelinesPythonGoTypeScriptEmbedding-based retrieval
Soft Skills
Analytical MindsetCollaborationCross-functional teamwork
Certifications
B.S. in Computer ScienceM.S. in Computer ScienceB.S. in EngineeringM.S. in EngineeringB.S. in MathematicsM.S. in Mathematics