CareerPlanSign in

Principal Software Engineer

United States, Washington, Redmond💼 Full-time🗓 2026-09-17 → 2026-09-26

Core

Own and drive complex, high-impact projects end-to-end for the data security platform, translating ambiguous requirements into scalable solutions and durable technical roadmaps.

Role type

Principal Software Engineer (Security & AI)

Builds

Scalable, highly available cloud services and distributed systems for data security, including policy evaluation, authorization, and access-control systems.

Domain

Cloud Security, Distributed Systems, Generative AI

Deliverable

production ML models | product features

Required skills

Architecture design, hands-on production coding, cross-team leadership, secure coding practices, LLM/Generative AI integration, system reliability, CI/CD, threat modeling, mentoring

Preferred skills

Responsible AI-native engineering practices, agent orchestration, prompt engineering, retrieval-augmented generation, fine-tuning, model evaluation

Technologies

LangChain, LlamaIndex, AutoGen, DSPy, Transformers, Haystack, C, C++, C#, Java, JavaScript, Python

Responsibilities

Define requirements and architecture for critical components, lead cross-team engineering execution, drive engineering excellence and operational quality, multiply technical effectiveness through design reviews and mentoring, establish technical direction across organizational boundaries

Seniority

Principal, hands-on IC with strategy & mentorship

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