AI Prompt & Agent Developer
OpenCall.ai (YC W24) · San Francisco, CA · 2 mo ago
On-siteBusiness Development$90k–$145k/yrFull-time
Responsibilities
- Write and maintain the prompts that run in production.
- Ship iteratively against real call data.
- Build evaluation harnesses.
- Human-in-the-loop onboarding.
- QA and continuous improvement.
Requirements
- 2+ years of experience with AI/ML, NLP, or prompt engineering in production
- Strong analytical and problem-solving mindset; comfort with ambiguity
- Excellent written and verbal communication skills
- Bachelor's degree and/or extensive experience in one or more of: Computer Science, Engineering, Math, Philosophy, Linguistics, Cognitive Science, English, Medicine, or a related field
- Python chops beyond reading: APIs, data pipelines, testing frameworks
- Prior work with voice AI, TTS, ASR, or telephony platforms (Twilio, etc.)
- Contact center, SaaS, or customer-facing tech background
- Healthcare or medical operations experience — you know what an NPI is, you've worked a front desk, you understand the weird chaos of dental scheduling
- Automated prompt optimization experience (DSPy, GEPA, MIPROv2)
- Fine-tuning experience
Qualifications
Comfort with code. You don't need to be a senior engineer, but you should read Python fluently and TypeScript comfortably, and you can get almost any coding task done by pairing with modern AI coding tools.