Principal Software Engineer, CORE

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 CORE Platform team at TCGplayer is responsible for Catalog and Order systems that powers our marketplace and internal teams’ tooling. Data is shared through messaging buses in Kafka, data processing pipelines, and REST APIs hosted in AWS.  These include various catalog APIs and Kafka topics to facilitate data sharing when updates occur, and web applications used by our Catalog Operations team to handle our growing collection of collectibles and hobby product information.  We are ramping up development on new architectures and evolving our systems, and we are excited to strengthen the team further! 

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:

• Set architectural direction for the broader organization and help evolve systems toward it

• Lead TCGplayer in the migration from a monolithic architecture to microservice architecture

• Develop code that meets requirements and aligns with standard methodologies, and conduct code reviews to provide expert mentorship and ensure code is of the highest quality 

• Build clear, comprehensive documentation and diagrams to further understanding and drive action

• Develop detailed technical requirements based on business needs via collaboration with product and engineering counterparts

• Use deep technical proven experience of company systems and applications, which could cover applications, services, systems, or frameworks

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

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

• Encourage peers with high-quality, hands-on technical contributions
   

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
   

$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 in these benefit plans will be provided if an employee receives an offer of employment.

If hired, employees will be in an “at-will position” and the Company reserves the right to modify base salary (as well as any other discretionary payment or compensation program) at any time, including for reasons related to individual performance, Company or individual department/team performance, and market factors.

Please see the Talent Privacy Notice for information regarding how eBay handles your personal data collected when you use the TCGplayer Careers website or apply for a job with TCGplayer.

TCGplayer, a subsidiary company of eBay, is an equal opportunity employer.  All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, sexual orientation, gender identity, veteran status, and disability, or other legally protected status.  If you are unable to submit an application because of incompatible assistive technology or a disability, please contact us at [email protected].  We will make every effort to respond to your request for disability assistance as soon as possible. View our accessibility info to learn more about eBay's commitment to ensuring digital accessibility for people with disabilities. It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

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