About the Role
We are seeking a Founding Software Engineer to join one of the earliest technical teams at a fast-moving AI video infrastructure startup. This role involves owning major parts of the core product experience across frontend, backend, user workflows, and developer-facing surfaces. You will work directly with the founder, make real technical decisions, and help define how engineering works at the company from the ground up.
Responsibilities
- Build and ship user-facing product features from idea to production
- Design backend APIs and product flows for accounts, projects, jobs, assets, usage, billing-related workflows, and collaboration
- Build frontend experiences that feel fast, clear, and dependable
- Improve onboarding, account management, usage visibility, and developer experience
- Work across product, design, infrastructure, and customer feedback loops
- Write maintainable code, tests, and documentation for systems other engineers can build on
Requirements
- Strong full-stack engineering experience with modern web applications
- Comfort building production systems with typed languages, frontend frameworks, backend APIs, databases, and cloud services
- Strong product judgment and the ability to make complex workflows feel simple to users
- A bias toward shipping, with enough rigor to keep important paths reliable
- Clear communication and ownership from problem definition through launch
- Comfortable using AI tools to move faster, while using their own judgment to define the problem and drive the solution
- Must be willing to work on-site in San Francisco, CA
- Direct ownership experience at an early-stage startup or founding team
- Experience making technical decisions without a formal spec or ticket queue
- Comfort working closely across product, design, and infrastructure simultaneously
Skills
- Modern frontend frameworks
- Backend/API frameworks and databases
- Cloud infrastructure and deployment tooling
- AI-assisted development tools
Location
- San Francisco, CA
Work Type
- On-Site
Experience Level
- Founding Software Engineer
- Early-stage startup experience
About the Company
- Hire Hangar works with fast-growing global companies.
- The company's first product turns prompts and documents into whiteboard-style explainer videos in seconds.
- The company has a broader vision to make video generation fast, cheap, and programmable enough for AI to use video anywhere it uses text today.
