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Principal Software Engineer, Ads Systems

United States, Washington, Redmond💼 Full-time🗓 2026-07-30 → 2026-09-26

Core

Design, implement, and maintain high-performance distributed systems for Bing Ads to drive business growth and ensure system reliability.

Role type

Principal Software Engineer (Ads Systems)

Builds

Bing Ads platform features and distributed system infrastructure

Domain

Online advertising, distributed systems, high-performance computing

Deliverable

production ML models | product features | infrastructure

Required skills

distributed system engineering, high-performance programming, machine learning, system profiling, capacity planning, multi-threading, system design, automation, C/C++/C#/Java/JavaScript/Python, Azure

Preferred skills

stakeholder management, tool gap identification, on-call incident response

Technologies

Azure, C, C++, C#, Java, JavaScript, Python

Responsibilities

Create system designs for new feature requirements, implement features with high efficiency and reliability, maintain live service operations and handle on-call escalations, profile and analyze distributed system performance bottlenecks, propose and implement solutions to improve system latency and capacity, contribute to automation within production and deployment pipelines

Seniority

Principal, hands-on IC with strategic design and mentorship responsibilities

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