At eBay, we're more than a global ecommerce leader — we’re changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We’re committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts.
Our customers are our compass, authenticity thrives, bold ideas are welcome, and everyone can bring their unique selves to work — every day. We're in this together, sustaining the future of our customers, our company, and our planet.
Join a team of passionate thinkers, innovators, and dreamers — and help us connect people and build communities to create economic opportunity for all.
About the Team:
- Building recommender systems that surface the most relevant listings based on user behavior, context, and item signals.
- Developing personalized banners, dynamic landing pages, and real-time ranking models for buyer experiences.
- Integrating structured data, text, and images to deliver rich, context-aware personalization.
- Running large-scale experiments to measure and optimize conversion, engagement, and satisfaction.
What you will accomplish:
- Design, develop and productionize machine learning models for personalization, recommendation, and ranking.
- Build scalable systems that deliver real-time buyer experiences across millions of users and inventory listings.
- Conduct A/B experiments and use data-driven insights to iterate and optimize models.
- Work closely with product managers, engineers, and designers to integrate science-driven features into the buyer experience.
- Document and communicate technical approaches, insights, and results to technical and business audiences.
- Contribute to the science strategy by identifying new opportunities and approaches based on data trends and business goals.
What you will bring:
- 5+ years of industry experience applying machine learning at scale, ideally in recommendation, ranking, or personalization domains.
- MS or PhD in Computer Science, Machine Learning, Statistics, or a related technical field.
- Strong programming skills in Python and experience with ML frameworks such as PyTorch or TensorFlow.
- Experience working with large datasets and distributed computing frameworks like Spark or Hive.
- Strong background in experimental design, A/B testing, and statistical analysis.
- Experience in ecommerce, online marketplaces, or consumer-facing applications.
- Knowledge of multimodal machine learning techniques (e.g., using structured data, text, and image signals together).
- Familiarity with recommender system architectures, ranking algorithms, or retrieval systems.
- Experience building models that prioritize privacy, fairness, and user trust.
#LI-Hybrid
The base pay range for this position is expected in the range below:
$115,200 - $199,700Base pay offered may vary depending on multiple individualized factors, including location, skills, and experience. The total compensation package for this position may also include other elements, including a target bonus and restricted stock units (as applicable) in addition to a full range of medical, financial, and/or other benefits (including 401(k) eligibility and various paid time off benefits, such as PTO and parental leave). Details of participation in these benefit plans will be provided if an employee receives an offer of employment.
If hired, employees will be in an “at-will position” and the Company reserves the right to modify base salary (as well as any other discretionary payment or compensation program) at any time, including for reasons related to individual performance, Company or individual department/team performance, and market factors.
Please see the Talent Privacy Notice for information regarding how eBay handles your personal data collected when you use the eBay Careers website or apply for a job with eBay.
eBay is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, sexual orientation, gender identity, veteran status, and disability, or other legally protected status. If you have a need that requires accommodation, please contact us at [email protected]. We will make every effort to respond to your request for accommodation as soon as possible. View our accessibility statement to learn more about eBay's commitment to ensuring digital accessibility for people with disabilities. It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
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What We Do
eBay Inc. is a global commerce leader that connects millions of buyers and sellers around the world. We exist to enable economic opportunity for individuals, entrepreneurs, businesses and organizations of all sizes. Our portfolio of brands includes eBay Marketplace and eBay Classifieds Group, operating in 190 markets around the world. We offer sellers the ability to grow a business with little barrier to entry regardless of size, background or geographic location. We never compete with our sellers. We win when our sellers succeed. Buyers who shop on our Marketplace and Classifieds platforms enjoy a highly personalized experience with an unparalleled selection at great value.
