Principal Engineer
Core
Architecting and leading complex distributed systems for search, relevancy, and ad serving within a retail media platform.
Role type
Principal Individual Contributor (Backend/Distributed Systems)
Builds
Retail media platform components including search, ad serving, and real-time decision-making systems.
Domain
AdTech / Retail Media / Distributed Systems
Required skills
Distributed systems design, backend engineering (Java/Go), architectural decision-making, performance optimization, cloud operations, mentoring senior engineers, product thinking, experimentation.
Preferred skills
Experience in Retail Media, AdTech, eCommerce, search, recommendations, ranking, real-time bidding, auction systems, AI-assisted development.
Technologies
Java, Go, Cloud platforms
Responsibilities
Own architectural direction for a major platform domain, lead complex high-impact engineering initiatives, stay hands-on with code and prototypes, optimize performance/scalability/latency, partner with Product/Data Science, establish engineering standards, mentor senior engineers.
Seniority
Principal, hands-on IC with strategic influence
