Lead Engineer - Ad Tech
Core
Lead backend engineer designing and operating production-grade AI-powered ad tech platforms (DSP, SSP, Ad Servers) combining LLMs, agentic systems, and traditional software for retail media.
Role type
Senior IC Lead Engineer (Ad Tech & Applied AI)
Builds
Intelligent platforms for retail media including ad decisioning, bidding, and ad explanations using LLMs and agentic architectures.
Domain
Retail Media / Ad Tech / Applied AI
Deliverable
production ML models
Required skills
Java/Spring, Microservices, Distributed Systems, Kafka, RDBMS/NoSQL, LLM Engineering, RAG Systems, Knowledge Graphs, Agentic Orchestration, System Evaluation
Preferred skills
DSP/SSP/Ad Server experience, Graph RAG, Hybrid Retrieval
Technologies
Java, Spring, Kafka, Cassandra, MongoDB, LLMs, RAG, Knowledge Graphs
Responsibilities
Define technology strategy for Ad Tech platforms; design and build production-grade LLM and agentic applications; lead engineering efforts and mentor teams; assess build-versus-buy decisions; design architectures combining deterministic code with probabilistic AI.
Seniority
Senior, hands-on IC with leadership
