Krea
Fullstack Engineer
San Francisco · On-site · Full-time · Posted Aug 19, 2026
- Visa sponsorship
- Open to sponsoring international visas where possible, including STEM OPT, OPT, H-1B, O-1, and E-3.
About the job
Build and maintain full-stack web and mobile experiences, backend services, and low-latency APIs for Krea’s AI creative tools and models.
What you'll do
- Build APIs and responsive UI flows in Svelte/SvelteKit and TypeScript, including real-time interfaces and performance improvements.
- Design and maintain Node backend services, database models, caching, and real-time image and video generation pipelines.
- Develop a public API for Krea models and improve observability, enterprise features, and client/server networking.
What they ask for
- Strong full-stack JavaScript/TypeScript skills with a frontend focus.
- Experience with SvelteKit or similar frameworks and real-time UI using WebSockets.
- Ability to design APIs, database schemas, and caching strategies.
- Familiarity with infrastructure and scaling, including Kubernetes, Postgres, Redis, and observability stacks.
Nice to have
- Side projects or open-source contributions in UI or infrastructure.
- Experience with enterprise authentication, GPU workloads, or ML and image/video pipelines.
Tools
Svelte/SvelteKit, TypeScript, Node, Postgres, Redis, WebSockets, HTTP/3, Kubernetes
AI focus
Build APIs and real-time pipelines that serve Krea AI models and power image and video generation.
Model-written summary · the original posting is authoritative