Founding Backend Engineer

Join Hire Hangar and work with fast-growing global companies while building a long-term, remote career. Job Title: Founding Infrastructure & Reliability Engineer Location | On-Site — San Francisco, CA Time Zone | PST Role Overview: We are seeking a Founding Infrastructure & Reliability Engineer to join the earliest technical team at a fast-moving AI video infrastructure startup. The company's first product turns prompts and documents into whiteboard-style explainer videos in seconds, with a broader vision to make video generation fast, cheap, and programmable enough for AI to use video anywhere it uses text today. This is one of three founding engineering hires, focused on making the core product reliable and scalable as usage grows. The ideal candidate likes owning production systems, debugging ambiguous failures, and making complex workflows feel predictable to users. The work spans job execution, queueing, failure recovery, observability, cost efficiency, and deployment. Key Responsibilities: - Improve job execution reliability, queueing behavior, failure recovery, and production observability - Design systems that scale expensive workflows without making the product feel slow or unpredictable to users - Build deployment, monitoring, and incident-response workflows appropriate for an early but serious production system - Improve cost efficiency across compute, storage, netw...