Principal Software Engineer, Backend

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.

Fully Remote - Within the United States

About the team and the role:

TCGplayer connects hobbyists and hobby businesses to communities. We relentlessly improve the exchange of things and thoughts that fuel passions, providing the most compelling destination and tools for collectible card game enthusiasts and professional sellers! TCGplayer, now a part of eBay, promotes and drives growth of our products and services by connecting a global community of millions of buyers with tens of thousands of retailers in a $25B global collectible hobby market.

The Seller Experience Group, Online Selling Team is a dynamic team comprised of front-end, back-end, and testing automation engineers. We are dedicated to serving our online sellers by producing enterprise-grade products and features to run their business and connect with the hobbyist community. We are currently revamping our Order Management system to provide an accessible UI experience with extended capabilities and back-end scalability.
 

Our team prides itself on a culture that fosters camaraderie, embraces diversity, and exudes passion! We are one of New York State’s 50 best employers and Fortune.com’s top 100 companies for women in the U.S.

What you will accomplish:

• Lead TCGplayer in the migration from a monolithic architecture to domain-driven microservice architecture.

• Architect a new multi-vertical aggregate seller platform to list products, manage orders and payments across different marketplaces in a single spot.

• Participate in the Principal’s Guild to set technical direction, design patterns, and general best practice across the Technology organization

• Being a clear expert in multiple technical areas to support the team and organization

• Provide support for a mission-critical applications.

• Demonstrate a high level of initiative and attention to detail during daily operations

• Implement and maintain internal, private and public web services

• Demonstrating ability to succeed in a wide range of complex situations across multiple axes, e.g. scale, uncertainty, interconnectedness
   

What you will bring:

• A relevant bachelor’s degree and 12 years of relevant industry, a relevant master's degree and nine years of relevant industry, or 16 years of practical experience

• 8+ years of object-oriented software development experience, with experience working with C# and .NET Core

• Significant experience in high volume production systems design with consideration for high availability, disaster recovery, performance, fault tolerance, and security 

• Experience designing and developing microservices in an cloud-based architecture

• Expert knowledge of RDBMS technologies (SQL Server, PostgreSQL) and NoSQL stores (Redis, MongoDB, Elasticsearch)

• Expert knowledge of event/stream processing mechanisms, specifically Kafka but also AWS SNS/SQS, RabbitMQ, or AzureBus

• Expert knowledge of APM (Application Process Monitoring), particularly Scalyr/DataSet for logs and New Relic for dashboards & alerting

• Excellent verbal and written communication, leadership, and collaboration skills
   

The base pay range for this position is expected in the range below:

$132,000 - $222,100

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 401(k) eligibility and various paid time off benefits, such as PTO and parental leave). Details of participation i