About the Role Join an early-stage AI/ML company as a founding engineer, working closely with the co-founders to build its product and technical foundation. The team turns real-world company data into datasets that help AI agents handle complex work. What You'll Do • Architect and build core product infrastructure and systems. • Make technical decisions that establish the engineering foundation. • Collaborate with the co-founders on product strategy and the roadmap. • Contribute across full-stack development, DevOps, and system design as needed. • Help mentor and hire engineers as the team grows. What We're Looking For • At least 5 years of experience building and shipping production software systems. • Experience designing and implementing backend or full-stack systems at scale. • Strong fundamentals in at least one backend programming language and experience with modern web frameworks. • Comfort with full-stack development and cloud infrastructure such as AWS, GCP, or similar. • A track record of shipping quickly, making pragmatic technical trade-offs, and communicating effectively in a small, collaborative team. Location On-site in San Francisco, California, United States.