Fullstack Engineer

Krea AI Krea AI · Multimodal · San Francisco, CA · Engineering

Fullstack Engineer at Krea AI, a company building next-generation AI creative tools. The role focuses on building and maintaining APIs and UI flows for web and mobile applications using Svelte/SvelteKit and TypeScript. Responsibilities include designing interactive front-end experiences, optimizing performance, designing backend services, and potentially kicking off a Public API project. The role also involves driving real-time image & video generation pipelines and improving observability. Experience with enterprise features, AWS EKS GPU clusters, and ML or image/video pipelines is a bonus.

What you'd actually do

  1. Build and maintain APIs and UI flows for web + mobile in Svelte/SvelteKit, TypeScript.
  2. Design interactive, responsive front-end experiences—drag-and-drop, real-time canvas polish, smooth and responsive UI animations.
  3. Optimize frontend performance: minimize render latency, profile UI with virtual DOM techniques, deliver seamless WebSocket image streams.
  4. Design and maintain backend services (Node), DB models (Postgres + Redis caching/pooling).
  5. Kickstart a Public API project to serve Krea AI models to millions of developers.

Skills

Required

  • Solid full-stack JS/TS engineer with frontend focus—component design, UI state, animations, client performance.
  • Experience with SvelteKit or similar frameworks, real-time UI via WebSockets.
  • Comfortable designing APIs, database schemas, caching strategies.
  • Familiar with infra and scale: Kubernetes, Postgres, Redis, observability stacks.

Nice to have

  • prior work on enterprise auth features, GPU workloads, ML or image/video pipelines.

What the JD emphasized

  • real-time image & video generation pipelines
  • AWS EKS GPU clusters
  • ML or image/video pipelines