Full-Stack 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