Back End Developer - Node.js / TypeScript

🌍 About HopaeAt Hopae, we’re building the world’s most trusted digital identity platform — private, secure, and built for real life.We believe identity should be in your control — not locked behind outdated systems or centralized gatekeepers.Our technology powers instant, privacy-first verification for people and businesses worldwide — across fintech, credentials, supply chain, and gaming.Backed by top global investors, Hopae operates across Seoul, Paris, and San Francisco, bringing together exceptional talent from over 10 nationalities.We move fast, think globally, and build products that define the future of identity.💡 Why You’ll Love It HereGlobal DNA: Work with exceptional peers across Seoul, Paris, and San FranciscoHigh Impact: Build technology shaping the global trust and identity landscapeOwnership Culture: No micromanagement — full trust, full accountabilityElite Standards: Work fast, learn fast, and grow with world-class peersInclusive & Respectful: 10+ nationalities, diverse perspectives, one visionGrowth Mindset: Access mentorship, leadership visibility, and continuous learning🎯 What You Will DoRole: Back End Developer - Node.js / TypeScriptAs a Backend Engineer at Hopae, you’ll shape the architecture and infrastructure that drive our identity verification solutions. This is a high-impact role where you’ll design, build, and optimize systems that support millions of users across the globe. If you’re passionate about delivering scalable, secure, and efficient backend solutions, we want to hear from you.System Design & Development: Architect and develop backend systems that are robust, scalable, and built to last.Cross-Functional Collaboration: Partner with product, frontend, and operations teams to create seamless and reliable solutions.API Development: Build and maintain RESTful APIs and WebSocket connections that enable secure and fast integrations.Performance Optimization: Continuously enhance system speed, reliability, and security to ensure a top-notch user experience.Code Excellence: Write clean, efficient code with an eye toward scalability and maintainability.Our StackLanguages: Node.js, TypeScriptFrameworks: Nest.jsDatabases: MySQL, MongoDBAPIs: RESTful, WebSocket, GraphQLDevOps: Docker, GitHub Actions, AWS CodePipelineCloud: AWS, GCP🧠 Who You AreYou’re a creative problem solver with a strong foundation in backend development. You bring both technical expertise and a drive to make an impact. Here’s what we’re looking for:3+ years of experience in backend development with strong skills in Node.js and TypeScriptProficiency with database technologies like MySQL and MongoDBSolid understanding of RESTful API and WebSocket developmentExperience in a high-growth startup or similar fast-paced environmentFamiliarity with microservices architecture and DockerInterest in digital identity or cybersecurity technologies⚡️ Fast Facts💰 $6.5M+ raised from top global investors📦 2.6M+ downloads of our sd-jwt-js library🌍 10+ nationalities across 3 hubs🔬 82 eID research projects completed🌐 3 projects accepted into the OpenWallet Foundation🎁 BenefitsUnlimited PTORemote-friendly work modelReal ownership from Day 1High-impact, global productMulticultural, respectful team🧭 Interview ProcessRecruiter Intro Call (30 min) – Get to know HopaeFunctional or Technical Interview (45 min) – Dive into your skillsCulture Fit Conversation (45 min) – Collaboration & alignmentOffer 🎉Note: The process may vary slightly depending on the role.