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Sr. Software Development Engineer, Sponsored Products Global Optimization

Seattle, Washington, United States💼 Full-time💰 $168,100–$168,100🗓 2026-09-18 → 2026-09-25

Core

Design and build scalable, low-latency distributed systems and GenAI infrastructure to power advertising solutions for global marketplaces.

Role type

Senior Software Development Engineer (GenAI/ML Infrastructure)

Builds

Production-grade ad serving systems, model serving infrastructure, training pipelines, and feature stores for non-US marketplaces.

Domain

Digital Advertising / Generative AI / Distributed Systems

Deliverable

production ML models | product features | infrastructure

Required skills

Large-scale distributed systems design, GenAI model serving, A/B experimentation infrastructure, real-time feature computation, system architecture, mentorship

Preferred skills

Full SDLC ownership, code review leadership, source control management, testing strategies, operations experience

Technologies

LLMs, semantic hash designs, multilingual/multi-modal systems

Responsibilities

Design end-to-end architecture for high-throughput global systems, partner with scientists to deploy models to production, reimagine ad tech stack for international markets, establish operational excellence practices, mentor engineers and lead design reviews

Seniority

Senior, hands-on IC with leadership responsibilities

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