Founding Backend Software Engineer

About the Role

Join an early-stage AI video software team as a founding backend engineer. You will lead the design of the systems and infrastructure behind AI-powered video products, while setting a high technical standard on a small engineering team.

What You'll Do

• Design and build scalable backend systems that support AI-powered video creation.

• Develop infrastructure for agentic workflows, video generation pipelines, reinforcement learning loops, and real-time data processing.

• Own distributed systems architecture and improve reliability through automated testing, performance benchmarking, and end-to-end observability.

• Partner with researchers, engineers, and designers to deliver product features and APIs.

• Set technical direction and engineering standards through hands-on coding, documentation, and clear communication.

What We're Looking For

• Five to ten years of backend software engineering experience, including work at an early-stage or high-growth startup.

• Experience building scalable backend and distributed systems, large-scale data processing, information retrieval, and asynchronous workflows.

• At least 12 months of industry experience building agentic systems and working with LLMs or generative AI.

• Professional experience with TypeScript and AWS.

• Strong fundamentals in algorithms, data structures, and system design, along with a formal degree.

• Experience providing technical leadership, setting direction, and establishing code standards.

• Fluency in written and spoken English.

• Authorization to work without visa sponsorship.

Compensation & Benefits

Base salary is $225,000 to $275,000 annually. Visa sponsorship is not available.

Location

On-site, five days a week in San Francisco, California.