eBay

ML Scientist / Machine Learning Engineer

eBay$142K — $190K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years of experience in machine learning or related field
  • Expertise in Python, AWS, and Databricks
  • Deep understanding of ranking, recommendations, personalization, and pricing algorithms
  • Experience with MLOps methodologies and model serving
  • Background in building data engineering workflows and systems
  • Familiarity with Agile/Scrum methodologies

Responsibilities

  • Design and implement advanced ML algorithms for personalized ranking and pricing
  • Develop core machine learning platforms and feature engineering systems
  • Monitor and evaluate performance metrics of deployed models
  • Productionize research models through building ETL/ELT workflows
  • Establish MLOps systems that enhance deployment automation
  • Optimize model performance and manage system costs

Benefits

  • Full range of medical benefits
  • Eligibility for RRSP contributions
  • Various paid time off options including PTO and parental leave
  • Potential for target bonuses and RSUs
  • Opportunities for professional development knowledge sharing
Full Job Description
Role Overview

eBay is seeking two distinct types of high-impact specialists to join our AI ecosystem: ML Scientists and ML Engineers. ML Scientists focus on designing state-of-the-art models for Ranking and Personalization, while ML Engineers specialize in building end-to-end infrastructure that transforms raw data into production ML systems delivering measurable business value.
Primary Job Responsibilities
ML Scientist Responsibilities
  • Model Research: Design and implement advanced algorithms for Ranking, Recommendations, Personalization, and Pricing.
  • ML Platform Development: Develop the core ML platform and feature engineering systems using Zipline.
  • Inference & Monitoring: Take responsibility for model serving, monitoring, and evaluating performance metrics.


ML Engineer Responsibilities
  • Productionization: Productionize models from research by building robust ETL/ELT workflows and inference pipelines.
  • MLOps & Infrastructure: Build comprehensive MLOps systems focusing on deployment automation and observability.
  • Optimization: Take responsibility for model performance SLOs and system cost optimization.
Job Requirements

Category

ML Scientist Requirements

ML Engineer Requirements

Languages

Python, AWS, Databricks

Python, AWS, Databricks

ML Skills

Ranking, Recommendations, Personalization, Pricing, Zipline (Feature Store)

MLOps, Model Serving, Monitoring, Productionization Standards

Focus

Algorithm Research, ML Platform, Model Monitoring

Infrastructure, Automation, Cost Optimization, Scalability

Preferred Qualifications
  • Experience with Agile/Scrum methodologies and tools like JIRA.
  • Experience in the e-commerce or payments domain is a plus.
  • Proven track record of architecting common libraries and patterns used in large-scale applications.
  • Solid understanding of computer science fundamentals, data structures, and algorithms along with up-to-date knowledge in Web technologies.
  • Experience driving architecture discussions and producing well-documented design docs.


Additional Details

The base pay range for this position is expected in the range below:
C$142,400 - C$190,100

Base 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 RRSP eligibility, 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.

This job posting relates to an existing vacancy within eBay.

About eBay

As a leader in automotive ecommerce, eBay Motors brings you millions of potential customers. Our new simplified listing plans give you unmatched levels of customization and control. So whether you're listing twenty cars a month or an entire lot, you know you're getting the value that you deserve.

eBay Careers

Joining eBay’s dynamic team offers more than just job opportunities; it’s a chance to be part of a global marketplace that values innovation, leadership, and diversity. As a leader in online retail, eBay provides a platform where ambitions flourish and career growth is fostered through comprehensive diversity training and professional development. Work You’ll Do At eBay, we empower you to drive your career path forward with a range of employment options, from internships to full-time positions. Our culture thrives on innovation and the pursuit of excellence in the digital commerce landscape. By joining our team, you’ll collaborate with skilled professionals who are adept at blending technology and creativity to achieve high-impact results. Explore eBay’s Diverse Opportunities Whether you’re starting out with an internship or seeking a leadership role, eBay’s global presence offers vast opportunities for professional growth and networking. Our commitment to diversity and inclusive culture allows every team member to feel valued and motivated. Innovate and Lead At eBay, every position contributes to our mission of creating a more connected and seamless e-commerce experience. We encourage our team to lead projects that challenge the status quo and promote innovation. With eBay, you’re not just filling a role; you’re part of a pioneering company that’s continually reshaping the world of online retail. Benefits and Growth eBay is dedicated to the well-being and development of our employees. We offer competitive benefits, leadership training, and opportunities for career advancement. Investing in our team’s growth is paramount, as they are the driving force behind our success. Join Our Team Ready to take the next step in your career? Explore the job opportunities at eBay where your skills and creativity can shine. We are hiring individuals who are passionate, curious, and eager to drive change in the e-commerce industry. Stay Connected Keep up to date with the latest career tips, company news, and industry insights available through our eBay Careers Blog. Personalize your experience by subscribing to job alert emails that match your career interests and skills. Apply Now Start your journey with eBay today. Search open positions that align with your professional aspirations and submit your resume. Our interview process is designed to understand your capabilities and potential to grow with us. Join eBay and be part of a team that’s committed to creating impactful change in the marketplace. Discover the opportunities waiting for you at eBay – a place where your career can thrive in an environment of innovation and leadership.
Learn more about eBay
Size
10,800 employees
Market Cap
$21.7 billion
Industry
Net Income
$5.6 billion
Founded
1995
5 Year Trend
+2.3%
Revenue
$10.7 billion
NASDAQ

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