Backend Engineer

About Krea At Krea, we are building next-generation AI creative tools. We are 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. What you'll do - Design, implement, deploy, and maintain private APIs for our main web and mobile applications. - Design database models. - Fix issues with our system that, among other things, may be related to how HTTP/3 handles client-side connections to our processes. - Improve database and infrastructure performance by implementing caching solutions or better connection pooling. - Profile and find bottlenecks for many types of HTTP/WebSockets requests to enable real-time image generation—and even video! - Improve observability, monitoring,