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KR
Krea

Fullstack Engineer

LocationSan Francisco
Work modeon-site
Typefull-time
DepartmentEngineering
EquityIncluded
Company size1+ people
First seen1mo ago
Last seen3d ago
About Krea
At Krea, we are building next-generation AI creative tools.
We’re dedicated to making AI intuitive and controllable for creatives - our mission is to build tools that empower human creativity, not replace it. We believe AI is a new medium that allows us to express ourselves through various formats - text, images, video, sound, and even 3D. We’re building better, smarter, and more controllable tools to harness this medium. We recently took this a step forward with the launch of Krea 2, our first foundation model, built completely from scratch for aesthetic diversity and stylistic control.
We’ve raised over $83M and are backed by world-class investors such as a16z, Bain Capital, and Abstract. We work full-time and in-person at our waterfront office in San Francisco. We care about creativity: our team includes musicians, designers, visual artists, and engineers.
Some examples of things you will do:
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Build and maintain APIs and UI flows for web + mobile in Svelte/SvelteKit, TypeScript
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Design interactive, responsive front-end experiences—drag-and-drop, real-time canvas polish, smooth and responsive UI animations
•
Optimize frontend performance: minimize render latency, profile UI with virtual DOM techniques, deliver seamless WebSocket image streams
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Design and maintain backend services (Node), DB models (Postgres + Redis caching/pooling)
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Kickstart a Public API project to serve Krea AI models to millions of developers
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Diagnose HTTP/3 and WebSocket related issues both on the client side and the server side
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Drive real-time image & video generation pipelines via low-latency APIs
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Improve observability and alerting using OpenTelemetry tools
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Implement enterprise features: Audit Logs, SAML/SSO, SCIM provisioning
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Bonus: Scale our infra architecture through deep understanding of our AWS EKS GPU clusters or Kubernetes operators
Strong candidates may have experience with the following:
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Solid full-stack JS/TS engineer with frontend focus—component design, UI state, animations, client performance
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Experience with SvelteKit or similar frameworks, real-time UI via WebSockets
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Comfortable designing APIs, database schemas, caching strategies
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Familiar with infra and scale: Kubernetes, Postgres, Redis, observability stacks
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Side projects or open‑source contributions in UI/infra are plus
•
Bonus: prior work on enterprise auth features, GPU workloads, ML or image/video pipelines
Stack:
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Frontend: Svelte/SvelteKit
•
Backend: Node + TypeScript, Postgres, Redis
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Realtime: WebSockets, HTTP/3
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Infra: AWS EKS GPU clusters, Kubernetes
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Observability: Prometheus, OpenTelemetry, Axiom/HyperDX
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Tools: GitHub, Slack, Notion
What we offer
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Team: Work alongside a world-class team building the future of AI creative tooling
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Impact: Significant scope and company-wide impact
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Competitive compensation: generous salary & equity packages
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Health & wellness: 100% health & 99% dental/vision insurance premiums covered for employees, health FSA accounts, & long-term disability coverage
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Time off: Flexible PTO policy
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Financial planning: 401k with a 4% company-sponsored match
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Meals in the office: breakfast, lunch, dinner - you name it, we’ll cover it
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Transit: Ubers covered to & from the office
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Sponsorship: We’re open to sponsoring international visas where we can (e.g., STEM OPT, OPT, H-1B, O-1, E-3).
•
And more!
Legal
Please note the above benefits & perks are for full-time employees
More roles at Krea
ML Researcher - PosttrainingML Researcher - Image / Video DiffusionProduct EngineerFounding Customer Success ManagerCreative Lead
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