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Senior/Principal Software Engineer - Growth (CoreAI)

United States, California, Mountain View💼 Full-time🗓 2026-02-14 → 2026-10-07

Core

Design, ship, and iterate on growth experiments (acquisition, activation, engagement, retention) and build A/B testing frameworks to raise experimentation quality.

Role type

Senior/Principal Software Engineer (Growth & Experimentation)

Builds

A/B testing frameworks, metrics, tooling, and high-availability features for globally distributed AI products

Domain

AI-powered products, high-traffic global systems, experimentation infrastructure

Required skills

scalable system design, high-availability architecture, A/B testing lifecycle ownership, hypothesis-driven development, performance optimization, multi-region deployment, guardrail implementation

Preferred skills

AI-assisted engineering, rapid prototyping with AI tools

Technologies

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

Responsibilities

Design and operate production A/B testing frameworks; build high-availability features for multi-region systems; partner with Product and Data Science to turn hypotheses into shipped learnings; use telemetry to guide rollout strategies (via careerplan.io/jobs/1970393556754916-seniorprincipal-software-engineer-growth-coreai-at-microsoft)

Seniority

Senior/Principal, hands-on IC