Contextual Design, Inc. - Founding Full-Stack Engineer
Requirements
• Frontend: Strong experience with TypeScript and React—you understand modern web application architecture • Backend: Proficiency with Node.js, experience building APIs and backend systems • Full stack fluency: You can move across the entire stack and own features end-to-end • Cloud platforms: Production experience with AWS or GCP • Systems design: Understanding of scalability, performance trade-offs, and architecture decisions • Experience with browser automation or developer tools • Built systems that analyze or generate code • Worked on platforms that integrate with third-party applications • Experience with real-time systems (WebSockets, streaming) • The Team • Christian (CEO) built design systems for 25M users and partnered with YC companies on product design. Emanuel (CTO) was a Principal Architect at AWS, leading high-stakes 0-1 product builds. We're teaming up at the exact moment code and design are converging—to build the AI product designer. We're looking for founding-caliber engineers ready to shape what’s next.
Responsibilities
• In one sentence: Build the full stack systems that enable AI to work directly on live web applications. • Implement and maintain features across the full stack: frontend, backend, and infrastructure • Own systems end-to-end: architecture, implementation, deployment, and iteration • Build browser-based infrastructure for interacting with live web applications • Design intelligent extraction and code generation systems • Collaborate with the AI engineer to integrate capabilities into intuitive user experiences • Drive technical decisions about architecture, scalability, and reliability • Success in 6 months: Users can safely work with their production applications through our interface, and the code we generate is something engineers actually want to implement. • You're a great fit if: • You've built systems that were genuinely hard, not just feature work: • 5+ years shipping full stack products with real users and real scale • Experience with complex systems—you've built infrastructure that operates on things you don't control, or developer tools that work with arbitrary codebases • Strong systems thinking—you know when abstractions break and can debug "this shouldn't be possible" problems • Product-minded engineering—you make good technical decisions, knowing when to prioritize speed and when to invest in foundations
Benefits
• You're not building a typical SaaS app. You're building infrastructure that operates on live web applications—understanding design systems, safely manipulating DOM structure, and generating code that engineers actually want to implement. • This requires deep work across the entire stack: browser-based systems, real-time interaction, intelligent extraction and injection, framework-aware code generation, and rock-solid reliability. • The bar: Technical infrastructure so robust that non-technical users can safely work with production applications. • This isn't typical full stack work. You're solving technical problems at the intersection of browser technology, AI, and design—building infrastructure that doesn't exist yet. • Small team means you own entire systems. The technical constraints force genuine innovation. • If we're right that by 2027 every product team needs an AI designer, you're building the foundational infrastructure from the ground floor.
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