PstrongNOVA Client | YC-backed AI SaaS Startup /strong /ppbr/pp strongLocation: /strong Remote from the EU | Relocation to New York available /pp strongContract type: /strong Full-time | Equity + Visa sponsorship /ppbr/ppAt strongNOVA /strong, we are managing a key position for one of our clients: a strongY Combinator–backed AI startup /strong based in New York that is transforming how SaaS companies deliver product demos. /ppTheir product enables instant, hyper-personalized demos in any language—without the need for a human sales rep. The AI agent learns how any software works, joins live video calls with prospects, and, through a real browser, strongnavigates, explains, and interacts with the product in real time /strong. /ppThis is a complex and high-impact problem, with future applications in onboarding, support, enablement, and automation. They are building something that strongwas not technically possible just a few months ago /strong.br/pThe RolepWe’re looking for a strongFounding Full Stack Engineer /strong—a technically exceptional candidate with strongoutstanding academic background /strong, strongexperience in top-tier companies /strong, and a passion for building product from scratch. /ppYou will work closely with the founding team (previously at MIT, IBM Research, BCG Gamma, and AI startups), with full ownership over your work and direct impact on the product and company. /ppstrongTarget start date: /strong January 2026 (flexible and negotiable) /ppbr/pResponsibilitiesulliBuild strongend-to-end features /strong, from frontend components to backend services /liliDesign intuitive, responsive interfaces using strongReact /strong /liliDevelop stronghigh-performance APIs /strong using strongPython and FastAPI /strong /liliWork on strongLLM-based workflows, prompt engineering, and AI integrations /strong /liliDeploy, monitor, and maintain production code in strongAWS /strong /liliTake technical decisions and strongown what you build /strong /liliIterate quickly based on real user feedback /li /ulpbr/pRequirementsulliProven experience as a strongFull Stack Engineer /strong /liliStrong proficiency in strongReact, JavaScript/TypeScript, and Next.js /strong /liliSolid experience in strongPython /strong, ideally using strongFastAPI /strong /liliFamiliarity with strongPostgreSQL /strong and async patterns /lili (Redis or Supabase is a plus) /liliComfort with strongcloud infrastructure (AWS/GCP/Azure) /strong, CI/CD pipelines, and DevOps basics /liliA strongproduct mindset /strong: you care as much about user experience as you do about clean code /li /ulpbr/pNice to HaveulliExperience working with strongLLMs /strong and AI-powered features /liliKnowledge of strongbrowser automation / headless browser tools /strong /liliStrong eye for strongUI/UX /strong /liliExperience in strongearly-stage startups /strong or 0-to-1 product development /liliStrong academic performance and background in high-bar technical environments /li /ulpbr/pWhat They OfferullistrongMeaningful equity /strong from day one /liliA high-impact, high-ownership role with full visibility /lilistrongRelocation to New York /strong, with full visa sponsorship and legal support /liliA team culture built around strongtechnical talent, autonomy, and innovation /strong /liliThe opportunity to strongbuild and scale /strong a product from its earliest stage /li /ulpbr/p