Software Engineer ( Full Stack & Mobile / React Native )

Software EngineerMisprint is a YC-backed marketplace for Pokémon cards — think StockX for collectibles, built around real-time pricing, liquidity, transparency, and trust.We're building the category-defining marketplace for one of the largest collectible markets in the world. Pokémon cards are a massive, highly liquid, global market, but buying and selling them is still fragmented, opaque, and full of friction. Misprint is changing that with live market data, a real bid/ask system, better seller tooling, and a much more trustworthy collector experience.We're hiring a Software Engineer to help us move faster on our mobile app and core marketplace product. This is a high-ownership role for someone who can build polished React Native experiences while also being comfortable working across the product stack when needed — especially with PostgreSQL, Supabase, and data-backed marketplace features.You'll work directly with the founders and engineering team to improve the buyer and seller experience, ship mobile-first product improvements, and help turn Misprint into the default place collectors buy and sell Pokémon cards.What You'll DoOur iOS and Android apps built with React Native / ExpoCore buyer and seller flows, including listing, browsing, offers, checkout, orders, and account experiencesMobile-first UX improvements across onboarding, discovery, search, card pages, collections, watchlists, and seller toolsProduct features that rely on PostgreSQL/Supabase data models, queries, permissions, and marketplace stateFrontend polish, navigation, performance, and reliability across key user journeysGrowth/product experiments that improve activation, conversion, retention, repeat purchase behavior, and marketplace liquidityThis is not a pure mobile-only role, but mobile will be a major focus. You should be excited to own React Native product work while still being comfortable understanding and working with the underlying data/product logic.What Success Looks Like In Your First 60–90 DaysYou've shipped meaningful improvements to our mobile app and core marketplace flowsYou understand our product, users, and marketplace mechanics well enough to propose improvementsYou've taken ownership of at least one important mobile or product areaYou're comfortable working with React Native, TypeScript, PostgreSQL, and Supabase-backed product logicYou're helping us move faster without creating fragile systemsThe product feels better because of the details you notice and fixOur StackMobile: React Native, Expo, TypeScriptFrontend: React, Next.js, TypeScript, Tailwind CSSBackend/Data: Supabase, PostgreSQL, Python, Node.jsInfrastructure: Vercel, AWS, PorterPayments/Marketplace: Stripe, Stripe ConnectAnalytics/Data: PostHog, SQL, internal pricing and catalog pipelinesYou Might Be A Fit If You...Have 1+ years of software engineering experience, or equivalent experience building and shipping real productsHave experience building and shipping React Native applications, ideally with ExpoAre strong with React, TypeScript, modern frontend patterns, and mobile-first product developmentAre comfortable working with PostgreSQL, SQL queries, data models, and product logicHave good product taste and care about UX, speed, reliability, and polishCan take a product problem and turn it into a shipped featureCommunicate clearly, operate independently, and document as you goLike owning outcomes, not just completing ticketsAre excited by marketplaces, payments, pricing data, trading cards, collectibles, or PokémonReact Native, React, and PostgreSQL experience are required for this role. Next.js experience is a plus, but not required.Bonus Points If You Have Experience With:SupabaseExpoMarketplace productsStripe / Stripe ConnectSearch, filtering, inventory, or catalog systemsGrowth, conversion, onboarding, or retention experimentsMobile app performance, app store releases, or mobile CI/CDPokémon, TCGs, collectibles, or hobby marketplacesLogisticsLocation: In-person, New York CityType: Full-timeCompensation: $120k–$180k salary + 0.2%–0.6% equityStart date: ASAPHow To ApplyApply with your resume and any links that help us understand what you've built, such as LinkedIn, GitHub, portfolio, or app links.You'll also answer a few short questions about your React Native, React, and PostgreSQL experience, a product or feature you're proud of, and why you're interested in Misprint.