Principal Data Engineer, MongoDB

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 StatesAbout 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 Data Engineering team collaborates across the TCGplayer Technology organization to increase the effectiveness and efficiency of the organization’s use of datastore technologies. As a member of this team, you will be the authority in the organization’s quest to continually improve the reliability, scalability, and efficiency of the datastores which power the company’s applications. You will partner with other teams to define appropriate datastore infrastructure for applications, create efficient and scalable database and data flow designs, resolve scaling or performance challenges as they arise in existing systems, and generally support effective datastore usage in aspects such as data architecture, data governance, data lifecycle management, software currency, and security.As a Principal Data Engineer, you will combine your technical knowledge and mastery with the ability to lead larger projects, mentor and guide junior and mid-level members of the Technology organization. In this specific role, you will advocate for optimal data modeling and querying practices for applications built using MongoDB as their datastore.What you will accomplish:• Act as a subject matter expert for MongoDB, offering direct guidance and creating materials to help other technologists improve their proficiency with designing and implementing applications using MongoDB• Provide leadership on cross-application datastore-related projects, including those related to security, software currency, data governance, and platform migrations and research emerging capabilities in both the datastores used by the organization and the broader marketplace to inform long-term strategic planning in the data domain• Consult on database design for the structures within an application’s datastores and queries/aggregations against those structures, optimizing for performance and scalability• Write minimal yet effective code, primarily database queries to facilitate data management and manipulation and proof-of-concepts for suggested techniques• Collaborate with other teams in the development of data flow strategies and assist in defining data storage requirements for microservices, ensuring they are scalable, reliable, efficient, and in alignment with overall system architecture• Guide selection of appropriate datastore technologies for new and replatformed applications, primarily transactional microservices and event-driven systems, ensuring they meet current and future data needsWhat you will bring:• Bachelor’s degree in computer science, information technology or a related field, or a combination of education and experience• 12 years or more experience in designing datastores, data architectures, and data flows which are scalable, reliable, and efficient• Mastery of both data modeling and query/aggregation design for MongoDB coupled with significant experience with RDBMS technologies, PostgreSQL strongly preferred• Significant experience designing and implementing datastores for microservices and event-driven applications• Significant experience with implementing and supporting data governance within medium-to-large organizations• Strong ability to utilize written and verbal communication skills to influence through collaboration across functional roles and levels across the organizationPlease 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 careers@tcgplayer.com. 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. For more information see: EEO is the Law Poster and EEO is the Law Poster Supplement.This website uses cookies to enhance your experience. By continuing to browse the site, you agree to our use of cookies. Visit our Privacy Center for more information.