Advanced Technologies. Powerful Results.
Principal Software Engineer – AI-Native
Location
United States
Posted
1 day ago
Salary
$210K - $275K / year
Seniority
Lead
Job Description
Principal Software Engineer – AI-Native
RxSense
• Architect and build production systems across a multi language stack: C#/.NET services, Python AI and data pipelines, and occasional TypeScript • Set the example for an AI forward, high technical standard across the broader engineering organization, leading through craft rather than organization wide authority • Design and drive adoption of offline evaluation frameworks (test suites, golden datasets, regression harnesses wired into CI/CD) for LLM based and other non deterministic components • Build online evaluation and monitoring that continuously assesses live model and system behavior in production, including drift and regression detection • Partner with engineering leadership to surface systemic risks in AI features, such as reliability, correctness, and drift, and drive the fixes • Lead architecture reviews for major initiatives and mentor senior and staff engineers on system design, evaluation methodology, and AI forward practices • Prototype and ship new AI capabilities
Job Requirements
- 8+ years of professional software engineering experience
- Depth across backend and AI/ML systems, working in some combination of C#/.NET, Python, and TypeScript.
- Experience with LLM observability, prompt and response evaluation, or agentic system testing
- A track record of setting technical standards that other engineers and teams adopt.
- Strong communication skills, with the ability to align engineers and leadership around a shared technical direction.
- Comfort working in an AI forward engineering environment, for example with agentic coding tools such as Claude Code.
- Bachelor's degree in Computer Science, Engineering, or a related field preferred. Equivalent practical experience will be considered in lieu of a formal degree.
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