Senior Java/Kotlin Developer | E-Wallet | Remote

🚀 Do you want to develop mobile wallets and digital IDs used by millions worldwide?

💡 Are you a Java/Kotlin expert looking to work fully remote from Greece?

🔐 Do you want to help build secure mobile driving licenses and mentor the next generation of developers?

ManpowerGroup Greece, on behalf of its client, an International Technology Services Provider, with focus at offering ISO-compliant Mobile Driving Licenses, Mobile IDs and overall, Wallet Apps, is looking for a Senior Developer (Java/Kotlin) to join their Product Team.

📌 Location: Athens Greece

📍 Working Model: Fully Remote (you need to be based in Greece and holder of a valid EU Work Permit)

🖋️ You will be reporting to: CTO

What you will do:

As a Senior Developer, you will design, develop, and maintain applications for mobile wallets and digital IDs, working on services written in Kotlin as well as other parts of their stack. You will collaborate with a talented team, write clean, high-performance code, contribute to technical decisions, and mentor junior developers, helping shape the future of secure mobile identity solutions.

Your main responsibilities will be:

• Design, implement, and maintain scalable and robust applications using Kotlin.
• Collaborate with product managers, architects, and other developers to deliver high-quality solutions
• Write clean, maintainable, and testable code following best practices
• Optimize application performance and troubleshoot complex issues
• Participate in code reviews, providing constructive feedback to peers
• Contribute to architectural decisions and technical discussions
• Mentor and support junior and mid-level developers

• BSc/MSc in Computer Science, Software Engineering, or a related field

• 8+ years of professional software development experience in Java or another modern programming language.
• 1+ year of professional Kotlin development experience.
• Knowledge of frameworks like Ktor or Spring Boot (with Kotlin).
• Solid understanding of OOP, design patterns, and best practices.
• Experience with RESTful APIs, microservices, and cloud-native applications
• Proficiency with build tools (Gradle/Maven) and version control (Git)
• Strong knowledge of SQL and relational database management systems.
• Strong problem-solving, analytical, and communication skills

Will be highly appreciated:

• Experience in oAuth/openid (strongly preferred) and IdentityServer4
• Experience in Software Product Development
• Familiarity with cloud platforms like Azure or AWS
• Experience with microservices architecture
• Strong problem-solving skills and ability to think algorithmically