# Fullstack Engineer

**Company:** [Krea](https://hotfix.jobs/companies/krea)
**Location:** San Francisco, CA
**Role:** Fullstack Engineering
**Skills:** Svelte, Sveltekit, TypeScript, JavaScript, Node.js, Postgres, Redis, WebSockets, Http/3, Kubernetes, Aws Eks, OpenTelemetry, Prometheus, SAML, SCIM
**Posted:** 2026-08-19

> Build full-stack AI creative tooling with a front-end focus, spanning Svelte interfaces, Node services, real-time media pipelines, APIs, and enterprise features. The role requires strong JavaScript/TypeScript, API, database, caching, and WebSocket experience, with infrastructure and GPU workload expertise valued.

## Job Description

## Responsibilities
- Build and maintain APIs and UI flows for web and mobile using Svelte/SvelteKit and TypeScript.
- Design interactive, responsive front-end experiences, including drag-and-drop interfaces, real-time canvas interactions, and UI animations.
- Optimize front-end performance by minimizing render latency, profiling virtual DOM behavior, and delivering seamless WebSocket image streams.
- Design and maintain Node backend services, Postgres database models, and Redis caching and pooling.
- Kickstart a public API project serving Krea AI models to developers.
- Diagnose HTTP/3 and WebSocket issues on both client and server sides.
- Drive real-time image and video generation pipelines through low-latency APIs.
- Improve observability and alerting with OpenTelemetry tools.
- Implement enterprise features such as audit logs, SAML/SSO, and SCIM provisioning.
- Scale infrastructure through AWS EKS GPU clusters or Kubernetes operators.

## Requirements
- Strong full-stack JavaScript/TypeScript experience with a front-end focus.
- Experience with component design, UI state, animations, and client-side performance.
- Experience with SvelteKit or similar frameworks.
- Experience building real-time user interfaces with WebSockets.
- Ability to design APIs, database schemas, and caching strategies.
- Familiarity with Kubernetes, Postgres, Redis, and observability stacks.

## Nice-to-haves
- Side projects or open-source contributions in UI or infrastructure.
- Experience with enterprise authentication features, GPU workloads, or ML and image/video pipelines.
- Experience with AWS EKS GPU clusters or Kubernetes operators.

## Compensation & Benefits
- Competitive compensation with generous salary and equity packages.
- 100% of employee health and 99% of dental and vision insurance premiums covered.
- Health FSA accounts and long-term disability coverage.
- Flexible PTO.
- 401(k) with a 4% company-sponsored match.
- Breakfast, lunch, and dinner provided in the office.
- Covered Uber transportation to and from the office.
- Visa sponsorship may be available for international candidates.

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