Cloudflare · 11 hours ago
Machine Learning Engineer
Austin, TX
Full-time
Onsite
Mid, Senior Level
3+ years expCloudflare is on a mission to help build a better Internet, and they are seeking a Machine Learning Engineer to lead the transformation of their data lakehouse into a semantically-aware intelligence platform. The role involves developing software layers that extract meaning from data stores and building knowledge graphs to support business needs across various departments.
Enterprise SoftwareCloud ComputingBig DataAnalyticsSecurityWeb Hosting
Responsibilities
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
Qualification
Required
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
Preferred
Experience with Semantic Search and hybrid vector search query engines
Familiarity with MLOps and deploying models within Kubernetes environments
Published research or a strong background in Applied ML or Computational Intelligence
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
Company
Cloudflare
Cloudflare is a web performance and security company that provides online services to protect and accelerate websites online.
1001-5000 employees
H1B Sponsorship
Cloudflare has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (117)
2024 (115)
2023 (66)
2022 (98)
2021 (83)
2020 (37)
Funding
Current Stage
Public CompanyTotal Funding
$2.08BKey Investors
Franklin TempletonFidelityUnion Square Ventures
2025-06-13Post Ipo Debt· $1.75B
2019-09-12IPO
2019-03-12Series E· $150M
Leadership Team
Matthew Prince
CEO & Co-Founder
Lee Holloway
Co-Founder & Lead Engineer
Recent News
2026-02-12
Company data provided by crunchbase