eBay

Senior Software Engineer, AI Platform

eBay$118K — $157K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years of professional software engineering experience in backend systems.
  • Proficient in backend languages like Java, Go, or Python, with knowledge of distributed systems.
  • Hands-on experience with SQL and NoSQL databases, APIs, and cloud platforms (AWS, GCP, Azure).
  • Strong system design and debugging skills, with a focus on performance and reliability.
  • Effective communication skills for collaboration with product managers and cross-functional teams.
  • Experience with developer tooling, AI/ML, or monitoring systems is a plus.

Responsibilities

  • Design and build scalable backend services and APIs to enhance developer productivity.
  • Drive system architecture decisions with an emphasis on performance and reliability.
  • Own end-to-end feature delivery, ensuring high standards for code quality and operational readiness.
  • Enhance system performance and scalability by identifying bottlenecks and improving observability.
  • Collaborate with cross-functional teams to deliver impactful solutions and communicate technical trade-offs.
  • Mentor junior engineers and contribute to a learning-focused culture.

Benefits

  • Full range of medical benefits including health and dental.
  • Paid time off including PTO and parental leave.
  • RRSP eligibility for retirement planning.
  • Target bonus and restricted stock opportunities as part of the compensation package.
Full Job Description
About the team and the role:

This role sits within eBay's engineering organization and is focused on building a next-generation AI-powered platform that transforms how software is designed, developed, and delivered at scale. Our Platform Engineering team builds and operates backend services that power intelligent workflows and developer-facing capabilities, enabling product teams across eBay to move faster while maintaining high quality and performance. As a Senior Software Engineer - Backend, you will architect and develop core platform services, solving complex technical problems and shaping scalable solutions for critical platform features. You will partner closely with engineers, product managers, and cross-functional teams, while mentoring junior engineers and contributing to an inclusive, learning-focused culture that values ownership, thoughtful collaboration, and sustainable work/life balance.

What you will accomplish:
  • Design, build, and evolve scalable backend services and APIs that power intelligent workflows and developer-facing capabilities, directly improving developer productivity and delivery speed.
  • Drive system architecture and technical decisions with a focus on performance, reliability, and maintainability, simplifying systems and reducing technical complexity where possible.
  • Own end-to-end delivery of features and services from design through production, upholding high standards for code quality, testing, and operational readiness.
  • Improve system performance, scalability, and efficiency by proactively identifying bottlenecks, strengthening observability, and effectively troubleshooting production issues.
  • Collaborate closely with product, data, and partner engineering teams to deliver impactful solutions, clearly communicating technical trade-offs, risks, and progress.
  • Mentor and support junior engineers, sharing knowledge, reinforcing engineering guidelines, and continuously adopting new technologies and approaches to raise the bar for the team.


What you will bring:
  • 5+ years of professional software engineering experience, including building and operating backend systems in production and delivering features or services end-to-end.
  • Proficiency in one or more backend programming languages such as Java, Go, Python, or similar, with a solid understanding of distributed systems, microservices, and service-based architectures.
  • Hands-on experience with databases (SQL and/or NoSQL), APIs, messaging systems, and familiarity with cloud platforms (such as AWS, GCP, or Azure) and container technologies.
  • Strong system design, debugging, and problem-solving skills, with awareness of performance, reliability, and operational trade-offs in real-world environments.
  • Effective collaboration and communication skills, with experience working closely with product managers and cross-functional partners and explaining technical concepts to diverse audiences.
  • Experience with platform or developer tooling, AI/ML or workflow-based systems, and/or observability, monitoring, and production operations is a plus; role location and hybrid expectations to align with eBay's local site guidelines.


Additional Details

The base pay range for this position is expected in the range below:
C$118,000 - C$157,500

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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