eBay · 21 hours ago
Senior Applied Scientist
Bellevue, WA
Full-time
Hybrid
Senior Level
$197K/yr - $263K/yr
7+ years expeBay is a global ecommerce leader dedicated to redefining how the world connects to buy, sell, and grow. They are seeking a Senior Applied Research Scientist to lead the development of innovative AI solutions that enhance delivery and cost optimization for their shipping experience.
AuctionsE-CommerceInternetMarketplaceRetail
Responsibilities
Lead the research and development of scalable machine learning and deep learning solutions across delivery and cost estimation problems
Design, build, and deploy PySpark-based ETL and model training pipelines for production-scale systems
Drive rapid prototyping and experimentation of new modeling ideas using architectures such as Transformers, BERT, GPT, and other foundation models
Apply advanced ML and AI techniques including RAG, agentic frameworks, and PEFT methods to enhance model performance and flexibility
Containerize, deploy, and monitor production-grade models using tools such as Docker, Kubernetes, and internal MLOps platforms
Collaborate closely with data engineers, MLOps teams, and product managers to translate business goals into measurable AI-driven outcomes
Mentor and guide team members, promoting a culture of ownership, curiosity, and high technical rigor
Qualification
Required
7+ years of experience in applied machine learning, AI systems, or data-intensive software engineering
Strong proficiency with Python, PyTorch, PySpark, and ML frameworks such as scikit-learn, XGBoost, and LightGBM
Proven experience building and optimizing deep learning models (e.g., BERT, T5, CLIP, diffusion models) at scale
Deep understanding of data pipelines, distributed computing, and performance optimization
Hands-on experience with MLOps tools such as Docker and Kubernetes
Strong mathematical and statistical foundation, with the ability to connect modeling rigor to business impact
Bachelor's or Master's degree in Computer Science, Engineering, or a related field (PhD preferred but not required)
Benefits
Target bonus
Restricted stock units
Full range of medical, financial, and/or other benefits
401(k) eligibility
Various paid time off benefits, such as PTO and 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