Florian Frankenberger

Brief Development of the CrewCenter solution, a new time-tracking system tailored specifically for the construction industry. Client Benefit Automated and digitized the time-tracking processes, ensuring a reliable foundation for invoicing, payroll and compliance with industry-specific regulations. Technical Challenge Designing a robust and scalable microservice architecture using modern technologies (Kotlin & Java 21, Spring) to handle the specific requirements of the construction sector. Technologies Used Kotlin & Java 21, Spring, PostgreSQL, Microservices, GraphQL, REST, Gradle, GitLab CI, OAuth2, AWS SQS & SNS, AWS S3, AWS Athena, Scrum, Jira Responsibilities Responsible for architectural design, implementing critical backend services, and security integration (OAuth).

Strategic Migration Architecture. Designed the cross-platform data migration strategy and the overall transition architecture. Provided hands-on implementation of critical data transformation services and guided the team on best practices for risk mitigation and large-scale data integrity.

Responsibilities Architectural Strategy & Technical Contribution. Personally designed and implemented the NoSQL Proof-of-Concept which successfully convinced the client to use MongoDB for the re-design. Provided hands-on development and specialized architectural support to the core implementation team.