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Are you a senior-level expert ready to untangle a complex microservices ecosystem and lead a critical digital transformation?

We are partnering with a leading German-headquartered retail innovator as they modernise their proprietary, cloud-native customer relationship management platform. This isn't just an "off-the-shelf" CRM—it is the heartbeat of the company’s customer interactions, powering high-level insights and driving growth in turnover for a major European marketplace.

We are looking for a Senior Developer who possesses a rare blend of deep Java expertise and a "DevOps mindset" to standardise, clean, and evolve a 90-microservice landscape. This is a high-impact role in which you will serve as a technical mentor and strategic problem-solver.

Your Mission & Impact:

As a Senior Developer you will be the driving force behind bringing a complex system up to enterprise-grade standards. You will transition the platform away from legacy code and into a scalable, manageable future.

Your key responsibilities will include:

• Redesigning and cleaning up the infrastructure and microservices to ensure they are robust, manageable, and aligned with internal architectural standards.
• Leading the migration away from Scala legacy code toward a clean, high-performance Java/Spring Environment.
• Refining the IaC landscape (Terraform/Ansible) and improving the reliability of the Kubernetes (GKE) and Elastic Cloud environments.
• Moving beyond "maintenance" to implement new features, including AI-driven initiatives for customer performance prediction and turnover growth.

What You'll Bring:

• Mastery of Java and Spring Boot
• Proficiency with Terraform and Ansible to manage a cloud-native ecosystem.
• Experience managing or migrating complex microservice architectures (ideally 50+ services).
• Exceptional communication and ownership skills. You aren't just a "task receiver"; you are someone who identifies problems and proposes solutions.
• Experience in Retail, E-commerce, or CRM systems is highly advantageous.

Company & Culture:

You will join the Technology and Digital Solutions department, the central hub of the company's innovation. The team is currently at a turning point; following the departure of external consultants, there is a massive opportunity to take the reins and shape the platform’s future.

The culture here values long-term relationships, transparency, and agility. You will work in an environment that rewards independent thought and provides the stability of a market leader while tackling complex technical challenges.

Compensation & Work Arrangement:

• Budget Range: €90,000 - 100,000 EUR (depending on experience).
• Hybrid Policy: * If living <80km from the office: 3 days per week on-site. If living >80km from the office: 4 days per month on-site.
• Language: Fluency in English is mandatory; German is a strong plus.