JOBSEARCHER

Full Stack Engineer

UmatrHayward, CAMay 28th, 2026
Founding Full Stack Engineer (AI Wearables)Tech Stack: Python, TypeScript, React, Next.js, LLMs, Voice AI, Audio Processing, AWS/GCPLocation: San Francisco (Hybrid)Experience: 3–8 YearsStage: Seed FundedCompensation: $230,000 - $300,000 + Meaningful EquityThe OpportunityWe're partnering with a well-funded, San Francisco-based AI startup building the next generation of wearable technology powered by multimodal AI.The team is creating an AI-native wearable experience that combines voice, audio, and contextual intelligence to fundamentally change how humans interact with technology throughout the day.Backed by leading investors and operating at seed stage, they're looking for a Founding Full Stack Engineer to help shape both the product and engineering culture from the ground up.This is a true 0→1 opportunity where you'll work directly with the founders to take ambitious ideas from concept to production.What You'll DoBuild core product experiences across frontend, backend, and AI systemsDevelop and ship voice-first user experiencesWork on AI-powered features leveraging LLMs and audio intelligenceOwn products from ideation through deployment and iterationCollaborate closely with design, product, and founding leadershipHelp establish engineering best practices and technical directionContribute to architecture decisions as the company scalesWhat They're Looking For3–8 years of software engineering experienceStrong full-stack development backgroundExperience building and shipping products in startup environmentsProven 0→1 product development experienceExposure to Voice AI, Speech AI, Audio AI, Conversational AI, or related domainsStrong proficiency in modern web technologies and backend systemsComfortable operating with ambiguity and high ownershipExcited by the pace and intensity of early-stage startupsBonus PointsExperience with wearable devices or consumer hardware productsLLM application development experienceReal-time audio processing or speech systems experiencePrevious founding engineer or early startup experienceMobile development experience (iOS or Android)Why Join?Build category-defining AI products at the earliest stageWork directly alongside experienced foundersSignificant ownership, autonomy, and influenceCompetitive compensation and meaningful equity upsideOpportunity to help define the future of AI-powered wearablesIf you're excited about Voice AI, AI-native products, and building something from scratch, I'd love to speak with you.