Ebay Principal Software Engineer 

United States, California, San Jose 

114109704

As a Principal Engineer you will serve as a senior technical leader, responsible for setting the strategic direction of our backend systems and platforms. You will work across teams and domains to solve the most complex technical challenges, influence long-term technical decisions, and create scalable solutions that support the company’s growth. Your leadership and technical expertise will drive innovation in platform architecture, system design, and engineering practices for multiple categories of products on e-commerce platform.

Key Responsibilities

• Lead architectural vision for various software systems, ensuring scalability, reliability, and maintainability in a high-traffic, distributed environment.
• -Define, design and implement the technical strategy for backend infrastructure, identifying key innovations, technologies, and tools that will drive platform evolution.
• Mentor and guide senior engineers and teams across the organization, ensuring alignment with standard processes in system architecture, code quality, and operational excellence.
• Work closely with leadership and multi-functional teams to translate business needs into a long-term technical roadmap that supports new product features and growth.
• Collaborate across engineering disciplines to solve technical challenges related to performance, data consistency, and high availability.
• Drive the adoption of standard processes in backend engineering, including microservices architecture, data architecture, reusable software artifacts, CI/CD pipelines.
• Influence org-wide technical decisions and collaborate with senior technical leaders to drive the evolution of the technical ecosystem across multiple product categories.
• Lead technical deep dives and complex design reviews, ensuring that architectural choices meet scalability, security, and performance requirements.
• Foster a culture of innovation, encouraging teams to explore new technologies, design patterns, and architectures that can improve the efficiency and scalability of the platform.
• Serve as a technical advisor in discussions with partners, vendors, and other ebay communities to drive innovation and partnerships.

Qualifications

• 15+ years of experience in software engineering, with a focus on large-scale, distributed backend systems.
• Proven experience designing and architecting complex systems at massive scale, ideally within e-commerce or other high-traffic environments.
• Expertise in distributed systems, microservices, event-driven architectures
• Deep understanding of high-performance databases (SQL, NoSQL), caching strategies, and data replication techniques.
• Solid understanding of scalability and performance tuning, for high-volume, critical applications.
• Experience working with Java, Kotlin, and deep familiarity with system-level design principles.
• Track record of leading multi-functional projects, aligning teams around complex technical initiatives that impact the entire company.
• Demonstrated ability to mentor engineers at all levels, provide strategic technical leadership, and influence organizational direction.
• Exceptional problem-solving skills, with a focus on innovation, scalability, and performance optimization.
• Strong communication and leadership skills, with the ability to collaborate with both technical and non-technical partners at all levels of the organization.

The pay range for this position at commencement of employment in California, Washington, or New York is expected in the range below.

$187,600 - $291,500

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