{"id":174882,"url":"https://alion.io/job/krea-fullstack-engineer","title":"Fullstack Engineer","company":{"id":48104,"name":"KREA","domain":"krea.ai","url":"https://alion.io/company/krea","size_band":"1-10","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":null},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Francisco, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":149000,"max_usd":315000,"period":"year","method":"role_country_seniority_unknown","sample_n":8485},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Amazon EKS","optional":false},{"name":"AWS","optional":false},{"name":"GitHub","optional":false},{"name":"Kubernetes","optional":false},{"name":"Notion","optional":false},{"name":"OpenTelemetry","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Prometheus","optional":false},{"name":"Redis","optional":false},{"name":"Slack","optional":false},{"name":"Svelte","optional":false},{"name":"SvelteKit","optional":false},{"name":"TypeScript","optional":false},{"name":"WebSockets","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-08-19T18:49:58Z","employer_posted_date":"2026-08-19","last_verified_at":"2026-10-16T15:31:29Z","board_verified":true,"closed_at":null,"days_open":57,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":57},"description":"About Krea\nAt Krea, we are building next-generation AI creative tools.\nWe'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.\nWe'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.\nSome examples of things you will do:\nBuild and maintain APIs and UI flows for web + mobile in Svelte/SvelteKit, TypeScript\n\nDesign interactive, responsive front-end experiences-drag-and-drop, real-time canvas polish, smooth and responsive UI animations\n\nOptimize frontend performance: minimize render latency, profile UI with virtual DOM techniques, deliver seamless WebSocket image streams\n\nDesign and maintain backend services (Node), DB models (Postgres + Redis caching/pooling)\n\nKickstart a Public API project to serve Krea AI models to millions of developers\n\nDiagnose HTTP/3 and WebSocket related issues both on the client side and the server side\n\nDrive real-time image & video generation pipelines via low-latency APIs\n\nImprove observability and alerting using OpenTelemetry tools\n\nImplement enterprise features: Audit Logs, SAML/SSO, SCIM provisioning\n\nBonus: Scale our infra architecture through deep understanding of our AWS EKS GPU clusters or Kubernetes operators\n\nStrong candidates may have experience with the following:\nSolid full-stack JS/TS engineer with frontend focus-component design, UI state, animations, client performance\n\nExperience with SvelteKit or similar frameworks, real-time UI via WebSockets\n\nComfortable designing APIs, database schemas, caching strategies\n\nFamiliar with infra and scale: Kubernetes, Postgres, Redis, observability stacks\n\nSide projects or open-source contributions in UI/infra are plus\n\nBonus: prior work on enterprise auth features, GPU workloads, ML or image/video pipelines\n\nStack:\nFrontend: Svelte/SvelteKit\n\nBackend: Node + TypeScript, Postgres, Redis\n\nRealtime: WebSockets, HTTP/3\n\nInfra: AWS EKS GPU clusters, Kubernetes\n\nObservability: Prometheus, OpenTelemetry, Axiom/HyperDX\n\nTools: GitHub, Slack, Notion\n\nWhat we offer\nTeam: Work alongside a world-class team building the future of AI creative tooling\n\nImpact: Significant scope and company-wide impact\n\nCompetitive compensation: generous salary & equity packages\n\nHealth & wellness: 100% health & 99% dental/vision insurance premiums covered for employees, health FSA accounts, & long-term disability coverage\n\nTime off: Flexible PTO policy\n\nFinancial planning: 401k with a 4% company-sponsored match\n\nMeals in the office: breakfast, lunch, dinner - 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