Generalist Software Engineer

Join Hire Hangar and work with fast-growing global companies while building a long-term, remote career. Job Title: Generalist Software Engineer, Founding Team Location | On-Site — San Francisco, CA Time Zone | PST Role Overview: We are seeking a Generalist Software Engineer to join the founding team of 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 mission of making video generation fast, cheap, and programmable enough for AI to use anywhere it currently uses text. As a founding team member, you'll move fluidly across frontend, backend, and product surfaces, tackling whatever the product needs most at any given time. This role is built for someone who doesn't need clear lanes or a hand-off from someone else to make progress. You will work directly with the founder and play a direct role in shaping the team's technical culture from the start. Key Responsibilities: - Ship features across the full stack, from backend logic to user-facing UI - Build and maintain APIs for core workflows like projects, jobs, and billing - Design frontend experiences that are fast, clear, and trustworthy - Improve areas like onboarding, account management, and usage insights - Work closely with product, design, and customer feedback to guide priorities - Produce maintainable, well...