CareerPlanSign in

Principal Software Engineer

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

Core

Architect and build highly scalable backend services and data pipelines for conversion tracking, attribution, reporting, and campaign optimization.

Role type

Principal Software Engineer (Backend & Data Platforms)

Builds

High-reliability ingestion and processing systems for online and offline conversion signals

Domain

Advertising technology, conversion measurement, and large-scale data analytics

Deliverable

production ML models | product features | infrastructure

Required skills

Distributed systems architecture, backend service design, data pipeline engineering, cloud infrastructure design, system reliability engineering, technical leadership, cross-team collaboration, software development lifecycle management

Preferred skills

Conversion tracking expertise, attribution modeling, identity matching, privacy-aware data handling, AI development tools

Technologies

C#, Java, Go, Python, SQL, Azure, AWS, GCP

Responsibilities

Design end-to-end conversion workflows including event ingestion and identity matching, drive integrations with advertisers and external partners, improve conversion accuracy through diagnostics and monitoring, mentor engineers on system design and architectural thinking, collaborate with product and data science teams to translate measurement needs

Seniority

Principal, hands-on IC with strategic leadership

Sourced via microsoft · Listed on CareerPlan, which tracks 70,000+ jobs from 20+ sources.