German Full-Stack JavaScript Developer- Athens

Are you passionate about building real-world applications that have a direct impact on daily business operations? Do you enjoy working with modern JavaScript technologies, integrating APIs, and solving technical challenges across the full stack?

Would you like to join a growing international healthcare company and work on production systems that support thousands of customers in the German market while enjoying a hybrid working model in Athens?

If yes, then this opportunity is for you!

Our client, an international healthcare company operating in the healthcare and care services sector, is looking for a Full-Stack JavaScript Developer (Junior / Mid-Level) to join its growing technology team in Athens. Working closely with business and technical stakeholders, you will contribute to the development and maintenance of critical systems, including e-commerce platforms, ERP integrations, reporting tools, and automated operational processes

Your Responsibilities

• Integrate and maintain REST APIs, including external systems such as ERP platforms and third-party providers
• Develop and maintain features for Next.js applications
• Write database queries and implement schema changes using Prisma and MySQL
• Develop and maintain automated background processes and scripts using Node.js
• Deploy, monitor, and maintain applications running in Docker environments on Linux servers
• Troubleshoot, debug, and resolve issues in production systems
• Contribute to internal operational systems, including billing, mailing, and reporting processes
• Support data migrations and bulk data processing when required

• German language proficiency at C1 level or higher
• Solid knowledge of JavaScript and Node.js
• Experience integrating REST APIs, including authentication, documentation handling, and error management
• Experience with React and Next.js or a comparable full-stack framework
• Basic experience with ORMs such as Prisma
• Good understanding of relational databases and SQL
• Experience using Git for version control
• Willingness to use GitHub for project management and collaboration
• Careful and responsible approach when working with production systems
• Strong communication and teamwork skills

• Competitive salary package
• Hybrid working model
• Work on real production systems with direct business impact
• High level of ownership and responsibility from day one
• Flat hierarchies and direct communication with technical leadership and management
• Pragmatic engineering culture focused on building reliable solutions
• Modern office in central Athens with on-site and hybrid work options
• Clear growth and development opportunities for junior and mid-level professionals
• Collaborative environment within a small and highly motivated tech team