CareerPlan

Sr Software Development Engineer, Agent Platforms & Services

Seattle, Washington, United StatesFull-time$168k–$227k2026-10-14 → 2026-11-10

Core

Architecting AI agent orchestration, reinforcement learning systems, and scalable inference infrastructure for intelligent advertising workflows.

Role type

Senior IC software architect (AI agents)

Builds

Agent platform coordinating specialized AI sub-agents for advertising

Domain

Advertising + AI/ML

Deliverable

production ML models

Required skills

system architecture, orchestration design, identity/authorization frameworks, reinforcement learning integration, evaluation system design, observability, mentorship

Preferred skills

full SDLC, code reviews, testing, operations

Technologies

none stated

Responsibilities

Own architectural direction for agent orchestration; Design identity and authorization frameworks; Design feedback signal pipelines for RLHF; Partner with scientists on learning systems; Design end-to-end evaluation systems; Establish technical partnerships; Own system reliability and performance; Mentor engineers and lead design reviews