Software Developer

Hopae

Backend Engineer building and maintaining the core backend systems for Hopae's global authentication platform. Collaborating with teams to integrate diverse identity systems while ensuring scalability and reliability.

Posted 7/29/2026full-timeLuxembourg City • 🇱🇺 LuxembourgJuniorMid-LevelWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in backend development with a strong focus on Node.js and TypeScript, while ensuring system stability and scalability. Proficient in designing high-availability architectures and integrating with identity services and APIs.

Highest-signal resume keywords

Node.jsTypeScriptOpenID ConnectOAuth 2.0Docker

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Backend DevelopmentAPI DevelopmentTest AutomationHigh-Volume Traffic ArchitectureAccess Token Flows

Soft Skills

CollaborationCode ReviewEngineering Excellence

Tools & Technologies

DockerRabbitMQKafkaAWSGCP

Industry Keywords

EID SystemsIdentity ServicesCompatibility ChallengesTraffic GrowthFeature Expansion

Tech Stack

Tools & technologies

AWSCloudDockerGoogle Cloud PlatformJavaScriptKafkaNode.jsRabbitMQTypeScript

About the role

Key responsibilities & impact

Build and maintain the core backend systems and high-availability infrastructure of the hConnect platform.
Develop and extend modules that integrate with national electronic ID (eID) systems and external identity services worldwide.
Ensure stability while progressively improving systems to handle future traffic growth and feature expansion.
Develop and maintain reliable APIs that enable seamless integration with internal services and external partners.
Collaborate with teammates through code reviews, write clean and maintainable code, and help establish a culture of engineering excellence.

Requirements

What you’ll need

Strong understanding of Node.js and TypeScript
At least 2 years of backend development experience
Practical experience with OpenID Connect, OAuth 2.0, JWT, and Access Token flows
Built early-stage products and learned from scaling them to meet business goals
Experience addressing compatibility challenges across browsers and mobile platforms
Experience with test automation and efforts to continuously improve code quality
Designing and operating architectures that support high-volume traffic
Experience with Docker, RabbitMQ/Kafka, and cloud environments (AWS/GCP)

Benefits

Comp & perks

Unlimited PTO
Remote-friendly work model
Real ownership from Day 1
High-impact, global product
Multicultural, respectful team