Misprint 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 do You’ll primarily work on: • Our iOS and Android apps built with React Native / Expo • Core buyer and seller flows, including listing, browsing, offers, checkout, orders, and account experiences • Mobile-first UX improvements across onboarding, discovery, search, card pages, collections, watchlists, and seller tools • Product features that rely on PostgreSQL/Supabase data models, queries, permissions, and marketplace state • Frontend polish, navigation, performance, and reliability across key user journeys • Growth/product experiments that improve activation, conversion, retention, repeat purchase behavior, and marketplace liquidity This 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 days • You’ve shipped meaningful improvements to our mobile app and core marketplace flows • You understand our product, users, and marketplace mechanics well enough to propose improvements • You’ve taken ownership of at least one important mobile or product area • You’re comfortable working with React Native, TypeScript, PostgreSQL, and Supabase-backed product logic • You’re helping us move faster without creating fragile systems • The product feels better because of the details you notice and fix Our stack • Mobile: React Native, Expo, TypeScript • Frontend: React, Next.js, TypeScript, Tailwind CSS • Backend/Data: Supabase, PostgreSQL, Python, Node.js • Infrastructure: Vercel, AWS, Porter • Payments/Marketplace: Stripe, Stripe Connect • Analytics/Data: PostHog, SQL, internal pricing and catalog pipelines You might be a fit if you… • Have 1+ years of software engineering experience, or equivalent experience building and shipping real products • Have experience building and shipping React Native applications, ideally with Expo • Are strong with React, TypeScript, modern frontend patterns, and mobile-first product development • Are comfortable working with PostgreSQL, SQL queries, data models, and product logic • Have good product taste and care about UX, speed, reliability, and polish • Can take a product problem and turn it into a shipped feature • Communicate clearly, operate independently, and document as you go • Like owning outcomes, not just completing tickets • Are excited by marketplaces, payments, pricing data, trading cards, collectibles, or Pokémon React 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: • Supabase • Expo • Marketplace products • Stripe / Stripe Connect • Search, filtering, inventory, or catalog systems • Growth, conversion, onboarding, or retention experiments • Mobile app performance, app store releases, or mobile CI/CD • Pokémon, TCGs, collectibles, or hobby marketplaces Logistics Location: In-person, New York City Type: Full-time Compensation: $120k–$180k salary + 0.2%–0.6% equity Start date: ASAP How to apply • Apply 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.