Founding Backend Software Engineer

About the Role

Join an early-stage AI video team as a founding backend engineer. You will lead backend architecture and development for systems that support generative video products and agentic workflows.

What You'll Do

• Design and build scalable backend systems for AI-powered video generation.
• Develop infrastructure for agentic workflows, video pipelines, reinforcement learning loops, and real-time data processing.
• Own distributed systems architecture, improving reliability through automated testing, performance benchmarks, and end-to-end observability.
• Partner with researchers, engineers, and designers to deliver product features and APIs.
• Set technical direction and engineering standards while contributing high-quality code.
• Document systems, define agent skills, and communicate technical decisions across the team.

What We're Looking For

• Five to ten years of backend software engineering experience, including work at an early-stage or high-growth startup.
• Industry experience building scalable distributed systems, large-scale data processing, information retrieval, and asynchronous workflows.
• At least 12 months of industry experience designing and building agentic systems, LLMs, or generative AI.
• Professional experience with TypeScript and AWS, including services such as S3, Lambda, RDS, SQS, or ECS.
• Strong fundamentals in algorithms, data structures, and system design, applied in professional engineering work.
• Experience serving as a technical lead, setting direction and standards while remaining hands-on.
• A formal degree, fluent English, and authorization to work without visa sponsorship.

Compensation & Benefits

Base salary

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

Location

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