# Senior Member of Technical Staff

**Company:** [Harper](https://hotfix.jobs/companies/harper)
**Location:** San Francisco, CA
**Role:** ML Engineering
**Salary:** $160k – $230k/yr
**Skills:** Llm Orchestration, Prompt Management, Retrieval Systems, RAG, Agent Frameworks, Structured Output Parsing, Evaluation Systems, Voice Ai, Real-Time Systems, Python
**Posted:** 2025-11-18

> Senior engineer owning end-to-end AI infrastructure including LLM orchestration, agent architectures, evaluation systems, and scalable platforms for insurance quoting. Requires 3-6 years experience with production AI systems and strong architectural skills.

## Job Description

## Responsibilities
- Own core AI infrastructure — LLM orchestration, prompt management, retrieval systems, structured output parsing
- Design agent architecture — Define abstractions that let us ship new agents in days
- Build evaluation that works — Systems that measure whether agents are getting better at closing deals
- Architect decision trace capture — Make every AI judgment traceable
- Own platform scale — Thousands of concurrent conversations, sub-second response times

## Requirements
- 3-6 years software engineering experience
- Production experience with LLM applications and AI systems
- Strong architectural skills with hands-on implementation
- Track record of owning systems end-to-end
- Based in San Francisco or willing to relocate

## Nice to Have
- Voice AI or real-time systems experience
- Experience building agent frameworks or evaluation systems
- Prior startup experience

## Compensation
- Salary: $160,000–$230,000 + performance bonuses & equity
- Health, dental, and vision insurance
- Commuter benefits
- Team meals and snacks

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**Canonical:** https://hotfix.jobs/jobs/c3a53c44-e2e3-441d-a6f5-d1b39011fc34