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Principal Software Engineer

United States, Washington, Redmond💼 Full-time🗓 2026-08-27 → 2026-09-26

Core

Develop and operate large-scale, low-latency, high-throughput systems while evaluating AI technologies (LLMs, SLMs, embeddings) and architectures to improve firmware and hardware solutions.

Role type

Principal Software Engineer (AI/ML & Systems)

Builds

Firmware/hardware improvement solutions, AI platform improvements, and scalable system infrastructure.

Domain

Embedded Systems / AI & Machine Learning / High-Performance Computing

Deliverable

production ML models | product features | infrastructure

Required skills

C, C++, C#, Java, JavaScript, Python, LLMs, SLMs, embeddings, orchestration patterns, RAG, fine-tuning, custom ML model training, Root Cause Analysis (RCA), telemetry integration, security compliance, automation, system architecture design

Preferred skills

Designated Responsible Individual (DRI) experience, live service operations, quantitative analytics measurement

Technologies

LLMs, SLMs, embeddings, orchestration patterns, RAG, developer tools

Responsibilities

Develop and operate large-scale, low-latency, high-throughput systems; Evaluate AI technologies and architectures for firmware/hardware improvement; Specify or implement AI platform improvements like fine-tuning or training custom ML models; Drive continuous improvement based on RCA; Participate in live service operations and support telemetry data integration; Produce code to test hypotheses for technical solutions; Collaborate on quality assurance plans and integrate automation; Ensure compliance with security, privacy, safety, and accessibility standards; Define and measure the success of analytics & reporting features.

Seniority

Principal, hands-on IC with strategic impact

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