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Sr. Software Development Engineer, Guidance & Personalization

New York, New York, United States💼 Full-time💰 $184,900–$250,200🗓 2026-06-30 → 2026-09-26

Core

Building AI-native systems for advertising personalization with a focus on explainability, auditability, and real-time decision-making for advertisers.

Role type

Senior Software Development Engineer (ML Infrastructure & Distributed Systems)

Builds

AI-driven advertising systems, real-time recommendation engines, and multi-agent coordination platforms.

Domain

E-commerce advertising, Machine Learning, Distributed Systems

Deliverable

production ML models | product features | infrastructure

Required skills

distributed systems design, ML infrastructure, system architecture, API design, event-driven data pipelines, LLM integration, observability, technical documentation

Preferred skills

full SDLC experience, mentoring, code reviews, testing, operations

Technologies

microservices, event streaming, feature stores, A/B testing frameworks, large language models, agentic AI systems

Responsibilities

building structured models of advertiser behavior for real-time decisions, developing real-time ML inference systems, creating explainable AI infrastructure, designing multi-agent coordination APIs, managing high-volume event-driven data pipelines

Seniority

Senior, hands-on IC with leadership responsibilities

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