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Back End Developer - Node.js / TypeScript

Technology
Hopae
Seoul, ๋Œ€ํ•œ๋ฏผ๊ตญ2๊ฐœ์›” ์ „๊นŒ์ง€ 2026. 4. 17.
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๐ŸŒ About Hopae

At Hopae, weโ€™re building the worldโ€™s most trusted digital identity platform โ€” private, secure, and built for real life.

We believe identity should be in your control โ€” not locked behind outdated systems or centralized gatekeepers.

Our technology powers instant, privacy-first verification for people and businesses worldwide โ€” 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.

๐Ÿ’ก Why Youโ€™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 โ€” 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

๐ŸŽฏ What You Will Do

Role: Back End Developer - Node.js / TypeScript

As a Backend Engineer at Hopae, youโ€™ll shape the architecture and infrastructure that drive our identity verification solutions. This is a high-impact role where youโ€™ll design, build, and optimize systems that support millions of users across the globe. If youโ€™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 Stack
  • Languages: Node.js, TypeScript

  • Frameworks: Nest.js

  • Databases: MySQL, MongoDB

  • APIs: RESTful, WebSocket, GraphQL

  • DevOps: Docker, GitHub Actions, AWS CodePipeline

  • Cloud: AWS, GCP

๐Ÿง  Who You Are

Youโ€™re a creative problem solver with a strong foundation in backend development. You bring both technical expertise and a drive to make an impact. Hereโ€™s what weโ€™re looking for:

  • 3+ years of experience in backend development with strong skills in Node.js and TypeScript

  • Proficiency with database technologies like MySQL and MongoDB

  • Solid understanding of RESTful API and WebSocket development

  • Experience in a high-growth startup or similar fast-paced environment

  • Familiarity with microservices architecture and Docker

  • Interest in digital identity or cybersecurity technologies

โšก๏ธ Fast Facts

  • ๐Ÿ’ฐ $6.5M+ raised from top global investors

  • ๐Ÿ“ฆ 2.6M+ downloads of our sd-jwt-js library

  • ๐ŸŒ 10+ nationalities across 3 hubs

  • ๐Ÿ”ฌ 82 eID research projects completed

  • ๐ŸŒ 3 projects accepted into the OpenWallet Foundation

๐ŸŽ Benefits

  • Unlimited PTO

  • Remote-friendly work model

  • Real ownership from Day 1

  • High-impact, global product

  • Multicultural, respectful team

๐Ÿงญ Interview Process

  1. Recruiter Intro Call (30 min) โ€“ Get to know Hopae

  2. Functional or Technical Interview (45 min) โ€“ Dive into your skills

  3. Culture Fit Conversation (45 min) โ€“ Collaboration & alignment

  4. Offer ๐ŸŽ‰

Note: The process may vary slightly depending on the role.

Keywords
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