Senior Software Engineer – Data Migration, Integration

• Contribute to the ENER:GY ERP billing platform for municipal utilities and energy providers
• Develop and modernize a central migration tool for customer and bulk data in Wilken ENER:GY
• Implement complex migration scenarios, including legacy-to-target system migrations, on-premises-to-cloud migrations, and tenant separation
• Analyze data models, interfaces, and file formats, and develop robust transformation logic
• Ensure quality through testing, code reviews, and clean architecture
• Actively contribute to building a new agile team and advancing the technical target architecture

• At least 3 years of experience developing backend systems or migration tools in production environments
• Deep understanding of data models, interfaces, and formats such as CSV, XML, and JSON
• Advanced proficiency in SQL and relational databases, particularly Oracle and PostgreSQL
• Solid knowledge of Java
• Experience working with APIs, especially REST; SOAP experience is a plus
• German language skills at C1 level or higher

• Flexible working time models for greater freedom in your day-to-day life
• Remote work – the opportunity to work from home
• A modern working environment designed to support productive and enjoyable work
• Individual training and development opportunities for your personal and professional growth
• Sports and social events that strengthen team spirit
• Health and sustainability initiatives that support you and your future