About PlaylabPlaylab is a tech non-profit dedicated to helping educators and students become critical consumers and creators of AI.We believe that an open-source, community-driven approach is key to harnessing the potential of AI in education. We equip communities with AI tools and hands-on professional development that empowers educators & students to build custom AI apps for their unique context. Over 60,000 educators have published apps on Playlab – and the impact is growing every day.At Playlab, we believe that AI is a new design material - one that should be shaped by many to bring their ideas about learning to life. If you're passionate about building creative, equitable futures for students and teachers, we hope you’ll join us.The RolePlaylab seeks a Staff Fullstack Engineer to join our growing Engineering team. As a Staff Fullstack Engineer you'll be exploring and pushing the boundaries of what AI-native experiences can be - inventing new interfaces for AI interaction, building the tools that let educators create without code, and implementing the systems that help schools deploy at scale.Examples of the workBuild AI-native interfaces that push boundaries - dynamic components that adapt from chat to writing editor to interactive simulations based on learning momentsDesign and implement the core application builder where educators create AI apps using natural languageCreate real-time collaboration features enabling multiple educators to co-create applications togetherBuild systems that enable educators to create sophisticated AI agents that work autonomously toward educational goalsImplement voice interfaces and mobile-first experiences that work from rural schools with limited internet to high-tech classroomsBuild discovery and sharing systems that help educators find and remix each other's applications - fostering a thriving creator communityCreate integrations with Google Workspace, Canvas LMS, and other educational platforms that schools already useAnd more…ExpectationsArchitect and ship subsystems across the full stack - from React/Remix frontend to Node.js backend to integrations with Python AI servicesMove fast to learn what works - ship small experiments quickly, then invest in productionizing what proves valuableStay on top of web technologies and best practices - evaluate new tools and patterns that improve the productWork cross-functionally with designers, ML engineers, product, and customers to build experiences that solve real user needsWrite comprehensive tests and documentation for the features you buildImprove team processes and help drive strategic technical decisionsMentor engineers on fullstack development, design patterns, and app architecture through pairing and reviewsQualifications7+ years building production web applications across frontend and backendStrong experience with modern React frameworks (we use Remix) and TypeScriptStrong experience building backend services with Node and TypescriptStrong experience with databases, APIs, and integrations with external servicesAble to work effectively with designers and translate designs into working featuresComfortable working cross-functionally and directly with customers to understand their needsThrive in high-agency, high collaboration culturesGreat communication that makes working remote-first workBonus Points For...Experience designing or building AI-powered interfacesBackground in real-time collaborative features (WebSockets, CRDTs, etc.)Experience with educational technology or mission-driven organizationsExperience with Remix or similar React frameworksKnowledge of accessibility and internationalization best practicesExperience integrating with LMS platforms or educational systemsTechnologiesTypeScript, Remix (React), Node, PostgreSQL, Neo4J, AWS, Docker, Kubernetes, WebSockets, NewRelic