Our client is pioneering the future of audio data for AI. Founded in 2024 by former Scale AI engineers and operators—and backed by First Round Capital, Y Combinator, SV Angel, and others—their mission is to bring real-world AI to life through high-quality, rigorously curated audio datasets. In under a year, they’ve earned the trust of leading FAANG companies and top AI labs worldwide. The Role As a Senior Product Enginee r, you will own end-to-end development of tools and systems that empower users to train better audio-based AI models. You’ll collaborate directly with researchers to: Ship full-stack features used daily by thousands of users

Design and build scalable data pipelines that process terabytes of audio each day

Implement and evaluate LLM- and DSP-powered solutions for nuanced audio insights

Rapidly iterate on research hypotheses, deploying new data-collection interfaces

Stay at the cutting edge of engineering, ML, and signal-processing frameworks

What You’ll Bring 2+ years in product-focused full-stack engineering

Proven ability to prototype quickly and scale production-grade solutions

Track record of delivering customer-focused features in a fast-paced environment

Strong fundamentals in web development (frontend & backend)

Passion for crafting intuitive user experiences

Eagerness to learn AI/ML and audio technologies

Bonus Points Experience with digital signal processing or speech-centric projects

Production deployment of machine-learning models

Leadership or technical-lead experience in high-growth startups

Why Join Our Client? Rapid career growth at a Series A company disrupting a booming industry

Competitive salary & equity—be an early team member (Hire #8)

Flexible PTO, 100%-paid health/dental/vision, 11% pension match

Daily paid lunches & dinners via DoorDash

401(k) access, visa sponsorship, and a tight-knit, humble, ambitious team