Back End Developer - hConnect

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We believe identity should be in your control — not locked behind outdated systems or gatekeepers.🛡️

Our decentralized tools help people and businesses verify trust instantly — across onboarding, credentials, finance, and gaming.⚙️📄💸🎮

Backed by top global investors, we’re on a mission to bring privacy-first identity to everyone, everywhere.🌐

We’re a fast-moving, async-first team with 10+ nationalities working across Seoul, Paris, and San Francisco.🌏💬

We build with speed, ownership, and purpose — and we’re just getting started.🚀

🎯 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.

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.

• 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).

• 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

💰 $6.5M raised from top global investors

📦 2.6M+ downloads of our sd-jwt-js library

🌍 10+ nationalities represented in our team

🔬 82 eID research projects completed

⚡ 98% reduction in onboarding time

🌐 3 projects accepted into the OpenWallet Foundation

🌴 Unlimited PTO

🌍 Remote-friendly

🧠 Real ownership from Day 1

💬 Multicultural team

🚀 High-impact, global product

🌈 Inclusive, respectful culture

📚 Mentorship & learning support

Here’s what candidates can expect when applying for this role:

1. Recruiter Intro Call (30 min) – Get to know us

2. Functional or Technical Interview (45 min) – Dive into your skills

3. Culture Fit Conversation (45 min) – Collaboration & mutual alignment

4. Offer 🎉

Note: Interview Process can differ depending on the roles