Sr. Full Stack Engineer

You’ll join early as our Senior Full Stack Engineer and work directly with the founding team to scale Fuser’s core platform. We’ve launched our public beta with a strong foundation — 100k+ lines of code, multiplayer infrastructure, a node-based canvas, and dozens of AI integrations. Now we’re building toward collaboration, subgraphs, post-production, and operation nodes. You’ll help ship features, shape abstractions, and keep Fuser fast, stable, and expressive for creative professionals.

• Build and ship key features across the stack with the founding team

• Own complex systems such as multiplayer, asset pipelines, or execution flows

• Design scalable abstractions that simplify complexity without limiting control

• Improve performance, reliability, and developer experience

• Help define the architecture for future AI-native UI/UX patterns

• 5–8 years of experience building and shipping full-stack applications

• Strong proficiency in React + TypeScript

• Backend experience with Node, tRPC, Cloudflare Workers or equivalent

• Solid understanding of distributed systems or real-time collaboration

• Experience designing APIs, database schemas, and scalable architecture

• Proven track record of shipping complex features in small teams

• Experience with canvas or node-based tools (React Flow, Blender, WebGPU)

• Familiarity with creative or AI-driven software

• Contributions to open-source projects

• Background or interest in art, design, music, or creative tech

Frontend: React 19, TypeScript, React Router v7, Zustand, TanStack Query, @xyflow/react, React Aria Components, Tailwind CSS, Framer Motion, React Three Fiber

Backend: tRPC, Hono, Cloudflare Workers, PostgreSQL (Supabase), Drizzle ORM, Cloudflare D1, Better Auth, Stripe, AI SDK

Infrastructure: Cloudflare Workers, KV, D1, Hyperdrive, Cron Triggers, Turborepo, pnpm, Node.js 22+

Observability & Tooling: Vite, ESLint, Prettier, Husky, Zod, Sentry, PostHog

• Hybrid, flexible, async-friendly — based in LA with 2 in-office days each week.

• Creative-first culture — we care about accessibility, design, and feel.

• High trust, high standards — ownership early, autonomy always.

• Small team, big impact — every commit shapes the future of the product.

• $120K–$200K USD depending on experience and zone (equity included)

• Signing bonus upon joining

• Healthcare, dental, vision, and 401(k) (U.S. only)

• Flexible hours and focus on deep work

• Generous equity and real product ownership

• Mentorship and leadership growth as we scale

1. Intro Call – Meet one or two of us to talk about your background, our mission, and how we work.

2. Technical Conversation – Complete a live technical assessment based on a real-world problem followed by a discussion on your approach to architecture, problem-solving, and building for usability.

3. Technical Demo – A scoped technical project with compensation

4. Team Conversation – Meet with core team and have a discussion about collaboration, culture, and long-term vision.

We welcome candidates who may not have the “right” title but have the skills, mindset, and drive to thrive here.

Fuser is a creative technology company founded by artists, educators, and engineers. We’re building tools for professionals who ideate, orchestrate, and deliver with intention. Our flagship product is a collaborative canvas for working across text, image, video, audio, and 3D, powered by the latest AI models.

We’re a small team in Los Angeles designing the future of creative software: joyful, intuitive, and powerful tools for real-world storytelling and production.