eBay · 13 hours ago
Staff Machine Learning Engineer
Austin, TX
Full-time
Hybrid
Senior Level, Lead/Staff
$136K/yr - $229K/yr
8+ years expeBay is a global ecommerce leader changing the way the world shops and sells. They are seeking a Senior Staff Machine Learning Engineer to lead the architecture and delivery of AI systems focused on addressing complex risk problems within their Risk & Compliance organization.
AuctionsE-CommerceInternetMarketplaceRetail
Responsibilities
Own and drive the technical vision for large-scale ML and AI systems supporting fraud detection, risk assessment, compliance enforcement, and policy automation
Architect and deliver end-to-end AI solutions, from data strategy and feature engineering through model training, deployment, and real-time or batch inference
Lead the design and implementation of Generative AI and agentic AI systems, including LLM-based decision support, autonomous investigation agents, workflow orchestration, and human-in-the-loop systems
Translate ambiguous regulatory, policy, and business requirements into scalable, reliable, and explainable ML architectures
Design and optimize high-throughput ML and data pipelines operating on massive, heterogeneous datasets across distributed systems
Partner closely with applied researchers, policy teams, legal, operations, and platform engineering to ensure AI solutions are effective, compliant, and production-ready
Act as a technical owner across multiple initiatives, setting architectural standards, reviewing designs, and influencing long-term platform direction
Drive MLOps best practices including model lifecycle management, automated testing, monitoring, retraining, and governance
Ensure systems meet risk, compliance, and responsible AI requirements, including robustness, auditability, fairness, and transparency
Mentor senior engineers and ML practitioners, raising the technical bar and fostering a culture of engineering excellence
Qualification
Required
Bachelor's, Master's, or PhD in Computer Science or a related technical field, or equivalent practical experience
8+ years of industry experience building, deploying, and operating machine learning systems at scale
Demonstrated success delivering end-to-end ML and AI solutions in production, including ownership of system architecture and long-term evolution
Deep expertise in Machine Learning, Deep Learning, and NLP, with hands-on experience in Generative AI (LLMs, RAG, prompt engineering, evaluation)
Experience designing or implementing agentic AI systems, such as autonomous agents, tool-using agents, multi-step reasoning, or decision orchestration frameworks
Strong background in distributed systems and large-scale data processing (e.g., Spark, Hadoop, streaming platforms)
Proficiency in Python and at least one additional language such as Java or Scala
Excellent system design skills, with a track record of building scalable, reliable, and maintainable production systems
Experience with MLOps, including CI/CD for ML, model monitoring, performance tracking, and governance workflows
Proven ability to lead through influence, communicate complex ideas clearly, and collaborate effectively across engineering, product, and non-technical stakeholders
Preferred
Experience applying ML or AI to fraud detection, financial crime, abuse prevention, or regulatory compliance
Hands-on experience deploying LLMs on GPU-based or distributed inference infrastructure
Prior experience in large-scale marketplaces, payments, or consumer-facing platforms
Benefits
Target bonus
Restricted stock units
Full range of medical benefits
Financial benefits
401(k) eligibility
Various paid time off benefits
PTO
Parental leave
Company
eBay
eBay is a global online marketplace enabling users to buy, sell, and auction new or used items across various categories.
10001+ employees
H1B Sponsorship
eBay 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 (572)
2024 (883)
2023 (779)
2022 (682)
2021 (748)
2020 (766)
Funding
Current Stage
Public CompanyTotal Funding
$1.16BKey Investors
Benchmark
2022-11-07Post Ipo Debt· $1.15B
1998-09-24IPO
1998-01-01Series Unknown
Leadership Team
Jamie Iannone
CEO
Alex Kazim
VP, GM eBay Services
Recent News
Digital Commerce 360
2026-01-23
2026-01-22
Company data provided by crunchbase