Principal Software Engineer – Ads Platform (Flexible)

eBay; Amsterdam; On-site; EUR 140,000 - 210,000; Full time

Benefits offered by this job

Impactful systems

Inclusive culture

Flexible work

Wellbeing support

Competitive pay

Job summary

eBay Ads is seeking a Principal Software Engineer in Amsterdam to shape the architecture and technical direction of the ads platform. You will lead large-scale initiatives, drive modernization, and build highly scalable distributed systems that impact eBay's business.

You will collaborate with product, data science, ML, and analytics teams, mentor engineers, and advance new technologies across the organization.

Qualifications

• 10+ years building large-scale distributed systems and APIs.
• Strong system design, distributed architectures, and cloud tech.
• Experience with JVM languages (Java/Scala).

Responsibilities

• Lead design and evolution of large-scale, low-latency distributed systems.
• Drive architecture across multiple engineering teams.
• Build scalable services for ad serving, targeting, ranking, reporting.
• Partner with product, data science, ML, and analytics teams.
• Improve reliability, scalability, and operational efficiency.
• Mentor engineers and promote engineering best practices.

Skills

Distributed systems

APIs design

Java/Scala

Cloud technologies

Mentorship

Communication

Education

Bachelor's or Master's in CS/Engineering

Tools

Kafka

REST/GraphQL

RDBMS/NoSQL

Cloud containers

Messaging systems

Job description

eBay Ads is seeking a Principal Software Engineer in Amsterdam to shape the architecture and technical direction of the ads platform. You will lead large-scale initiatives, drive modernization, and build highly scalable distributed systems that impact eBay's business.

You will collaborate with product, data science, ML, and analytics teams, mentor engineers, and advance new technologies across the organization.