Founding Engineer, Machine Learning

Overview

Founding Engineer, Machine Learning at Stealth — join to apply for this role.

Location : San Francisco, CA

Base pay range

$160,000.00 / yr - $200,000.00 / yr

About Us

We’re an early-stage stealth startup building a new kind of platform for generative media. Our mission is to enable the future of real-time generative applications : we’re building the foundational tools and infrastructure that make entirely new categories of generative experiences and applications finally possible.

We’re a small, focused team of ex-YC and unicorn founders and senior engineers with deep experience across 3D, generative video, developer platforms, and creative tools. We're backed by top-tier investors and top angels, and we're building a new technical foundation purpose-built for the next era of generative media.

We’re operating at the edge of what’s technically possible : high-performance inference and real-time orchestration of multimodal models. As one of our founding engineers, you’ll play a key role in architecting the core platform, shaping system design decisions, and owning critical infrastructure from day one. If you're excited about architecting and building high-performance infrastructure that empowers the next generation of developers and unlocks entirely new products categories, we’d love to talk.

About The Role

We’re looking for a Founding Machine Learning Engineer to build the core infrastructure powering high-performance inference for generative media models, including diffusion and transformer architectures. You’ll be instrumental in designing low-latency, high-throughput systems that serve state-of-the-art models in real time. As an early technical leader, you'll shape both our systems and culture from day one.

What You’ll Do

• Architect and implement the inference engine for diffusion transformer-based generative models
• Optimize model execution across the stack — memory, compute, and networking
• Drive performance engineering to minimize latency and maximize throughput
• Work closely with research to productionize new generative techniques and model variants
• Build the tools, services, and monitoring that make these systems robust and scalable
• Set the technical bar and help define engineering culture as an early team member

Requirements

About You

Minimum Qualifications

Benefits

Additional details

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