Senior Full-Stack Engineer (Founding Team)

At SpatialChat, we bring events, webinars, remote work, and online education to life with immersive virtual spaces that feel personal and engaging. Whether you’re hosting a conference, a live podcast, or a collaborative webinar, our platform replicates the energy of in-person interactions, making online gatherings more dynamic and interactive.The Reality CheckBuilding spatial communication technology at scale means solving problems that break traditional video conferencing.We’re not “another meeting app.” We’re the platform trusted by educational institutions and Fortune 500 companies when Zoom can’t handle spatial interaction requirements.What we actually do : Real-time spatial audio processingWebRTC optimization for 1000+ concurrent usersCanvas LMS integration that doesn’t break during finals weekRole OverviewWe’re hiring our Founding Full Stack Engineer.You’ll be at the core of building and scaling SpatialChat from the ground up. Expect to : Own the entire tech stack (frontend, backend, infrastructure)Design real-time systems for video, audio, and multiplayer interactionsBuild scalable features for thousands of concurrent usersCollaborate closely with a small, scrappy teamThis is a high-impact role where you’ll shape the product, own decisions, and ship fast.Where You’ll Make an ImpactBackend Systems : Scale Node.js microservices for 50M+ monthly interactionsReal-Time Performance : Optimize WebRTC & WebSockets for Enterprise Integrations : Build SAML SSO that passes Fortune 500 auditsData Architecture : Design PostgreSQL schemas for 10TB+ interaction dataFrontend Performance : Render 200+ video streams in Vue.js without dropped framesMeasurable wins : Reduce WebSocket overhead by 40%Implement Canvas LTI 1.3 with 99.9% uptimeIncrease spatial audio capacity by 4xBuild admin tools that cut support tickets by 60%Tech StackFrontend : Vue.js 3, TypeScript, Pinia, ViteBackend : Node.js, Hapi.js, gRPCDatabases : PostgreSQL (primary), MongoDB (spatial data)Real-time : WebRTC, WebSockets (Agora / LiveKit / Twilio)Infrastructure : Docker, Kubernetes, AWS / GCPMonitoring : OpenTelemetry, Prometheus, GrafanaWhat We’re Looking ForA self-starter who thrives in a fast-paced, early-stage environment.Someone who isn’t afraid to get their hands dirty and is comfortable taking full ownership of critical features and systems.A problem solver who enjoys tackling hard technical challenges with creativity and an innovative mindset.A team player who collaborates effectively with non-technical teams and brings strong communication skills to ensure smooth product development.5+ years building production applications with TypeScriptDeep experience with real-time systems (WebRTC, WebSockets)PostgreSQL optimization & API design (REST / gRPC)Startup mentality : scrappy, self-driven, thrives with ownershipBonus : LMS integrations, enterprise authentication (SAML / LDAP), microservicesWhat we don't wantMeetings about meetingsFake “rockstar ninja” culturePretending tech debt doesn’t existBreaking production in the name of speedWhy Join Us You’ll be one of the first engineers shaping the future of online collaboration. Your work will be used by Harvard, Stanford, MIT, Google, McKinsey, Mozilla, and thousands of global enterprises.If you want to build real-time systems at scale, create products that people actually use, and have a founder-level impact, we’d love to talk.Apply now or reach out directly to join the journey.