Pingo
Founding AI Engineer
San Francisco
Sponsorship not specifiedDetected 97 days ago
A/B Testing
About the role
- Language learning shouldn't feel like an app - it should feel like talking to someone who knows you: remembers what you struggled with last week, adapts in real time, and responds instantly.
- Since launching in January 2025, we've grown to $12 million ARR with ~50% MoM growth.
- You might be a great fit if you: - Think in systems.
Responsibilities
- In one sentence: Build the systems that make Pingo the default way people learn languages.
- Define and own our AI architecture and roadmap, and build the AI team as we scale.
- Architect memory & personalization - design scalable long-term memory and retrieval, build a content engine that generates structured, high-novelty conversations.
- Improve speech & conversation intelligence - optimize ASR feedback, turn-taking, and dialogue flow to make interactions feel natural.
- Own AI evals & experimentation system - build prompt simulations, golden datasets, and regression systems to measure conversation quality.
- Optimize real-time performance - drive sub-200ms latency and systems that scale efficiently across millions of conversations.
- Tie intelligence directly to retention - build systems and metrics that measurably improve D1/D7/D30 engagement.
- Strong product judgement - you build features that feel instant and magical.
- You'll own the core AI systems powering personalized conversations for millions of users.
- Pingo helps 8,000,000+ users build fluency through real conversations.
Benefits
- Detail-oriented & obsessed with quality - care deeply about stability, polish, and learning impact.
- We're hiring an AI Engineer to build the intelligence layer for the leading AI companion for language learning.
This listing is sourced directly from Pingo's careers page and normalized into a canonical job model.