🌍 ABOUT HOPAE At 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 We believe identity should be in your control — not locked behind outdated systems or centralized gatekeepers.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 product, Hopae Connect, lets businesses verify real people across borders through a single API — no need to build country-by-country integrations themselves. Our technology powers instant, privacy-first verification across fintech, credentials, supply chain, and gaming — for IDV providers, e-signature platforms, and enterprises who need identity to just work, everywhere. Backed by top global investors, Hopae operates across Seoul, Paris, Luxembourg, 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 HERE - Global DNA: Work with exceptional peers across Seoul, Paris, and San Francisco - High Impact: Build technology shaping the global trust and identity landscape - Ownership Culture: No micromanagement — full trust, full accountability - Elite Standards: Work fast, learn fast, and grow with world-class peers - Inclusive & Respectful: 10+ nationalities, diverse perspectives, one vision - Growth Mindset: Access mentorship, leadership visibility, and continuous learning 🎯 What You Will Do As a Backend Engineer, your code will form the foundation that protects and connects the digital identity of users around the world. - Design and Develop Global Authentication Platform: Build and maintain the core backend systems and high-availability infrastructure of the hConnect platform. - Integrate with Diverse Identity Systems: Develop and extend modules that integrate with national electronic ID (eID) systems and external identity services worldwide. - Build Scalable Systems: Ensure stability while progressively improving systems to handle future traffic growth and feature expansion. - Design Flexible and Scalable APIs: Develop and maintain reliable APIs that enable seamless integration with internal services and external partners. - Foster a Strong Code Culture: Collaborate with teammates through code reviews, write clean and maintainable code, and help establish a culture of engineering excellence. 🧠 WHO YOU ARE QUALIFICATIONS We value skills and potential over a simple list of technologies. We are looking for someone with the following capabilities: - Proactive Problem-Solving: Ability to go beyond assigned tasks, understand business goals, propose better solutions, and drive improvements independently. - Navigating Ambiguity: Comfortable finding the best path forward in undefined situations and collaborating with teammates to define solutions. - Deep Technical Curiosity: Goes beyond simply using frameworks; explores how technologies work at their core and makes them their own. - Transparent Communication and Collaboration: Shares progress and blockers openly with the team, listens actively to peers, and works toward better outcomes together. - Strong Fundamentals: Solid understanding of Node.js and TypeScript, with at least 2 years of backend development experience. PREFERRED QUALIFICATIONS - Depth in Specific Technologies: Strong CS fundamentals and hands-on mastery of at least one technology. - Authentication Protocol Experience: Practical experience with OpenID Connect, OAuth 2.0, JWT, and Access Token flows. - 0-to-1 Product Experience: Built early-stage products and learned from scaling them to meet business goals. - Understanding of Client Environments: Especially experience addressing compatibility challenges across browsers and mobile platforms. - Commitment to Code Quality: Experience with test automation and efforts to continuously improve code quality. - Large-Scale Traffic Handling: Designing and operating architectures that support high-volume traffic. - API Gateway / PaaS / SaaS Development Experience. - Experience with Docker, RabbitMQ/Kafka, and cloud environments (AWS/GCP). TECH STACK - Language: Node.js, TypeScript - Framework: Nest.js - Database: MySQL, MongoDB - API: RESTful APIs, WebSocket, GraphQL, OAuth2/OIDC - DevOps & Container: Docker, GitHub Actions, AWS CodePipeline - Cloud & Monitoring: AWS, GCP, AWS CloudWatch - Collaboration: Slack, Notion, Figma ⚡️ 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 🎁 BENEFITS & CULTURE - Unlimited PTO - Remote-friendly work model - Real ownership from Day 1 - High-impact, global product - Multicultural, respectful team 🧭 INTERVIEW PROCESS 1. Recruiter Intro Call (30 min) – Get to know Hopae 2. Functional or Technical Interview (45 min) – Dive into your skills 3. Culture Fit Conversation (45 min) – Collaboration & alignment 4. Offer 🎉 Note: The process may vary slightly depending on the role.