Interim Software Java Engineer (m/w/d) (Spring Boot)

• Spannende Herausforderung
• Interessante Aufgaben

Firmenprofil Start: ASAP

Location: full remote

Working hours: Full-time

Duration: 12 months

Responsibilities Aufgabengebiet

• Design, develop, and implement scalable software solutions based on Java and modern JVM frameworks
• Build a new tariff management platform, as the current solution is not yet fully fit for purpose
• Develop an end-to-end solution consisting of backend services and frontend components
• Develop pay-per-use, pricing, tariff management, and subscription solutions
• Design and implement orchestration processes for pricing, billing, and product-related workflows
• Design, develop, and enhance API interfaces and integration services for internal and external systems
• Implement event-driven architectures using Kafka
• Work with NoSQL databases (e.g., MongoDB) as well as relational databases (e.g., MariaDB)
• Analyze business requirements and translate them into technical solutions
• Ensure code quality through code reviews, testing, and engineering best practices
• Contribute to architectural decisions and continuously improve the overall system landscape
• Collaborate within an agile, international development team

Anforderungsprofil Your Profile

• Minimum 4-5 years of professional experience as a Software Developer
• Strong experience with Java and spring Boot
• Experience in building scalable backend applications and distributed systems
• Hands-on experience with MongoDB and other NoSQL databases
• Solid knowledge of relational databases (e.g., MariaDB)
• Experience in developing subscription models, ideally in the area of tariff management, pricing, billing, or pay-per-use solutions
• Experience in designing and implementing tariff management systems
• Strong experience in API development, integration services, and interface design
• Experience working with Kafka and event-driven architectures
• Knowledge of orchestration processes and complex business workflows
• Experience building backend services; frontend experience is a plus
• Strong understanding of software architecture, design patterns, and microservices
• Excellent communication skills and a proactive mindset
• Strong sense of ownership and ability to drive topics independently
• Fluent English skills; German is not required

Nice to Have

• Experience in the energy sector, utilities, or e-commerce
• Experience with AWS
• Frontend development experience

Vergütungspaket Does the project sound interesting?

I look forward to hearing from you with the following information:

• Your current project availability (earliest start date)
• Your maximum workload/week in total
• Can you offer this workload on a regular basis?
• Your hourly rate (on-site / remote)
• Your current profile
• A brief feedback on the fit (please address the points listed above)

Quote job ref: JN-082026-7078135