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Torsten SchippelTS

Torsten Schippel

Senior Java Developer

€750/day
Hamburg, DE
15+ years

Average response time: 1 hour

About Torsten

Highly skilled and experienced Freelance Java Developer with a passion for crafting clean, efficient, and secure code. Proven track record of over 20 years designing, developing, and maintaining large-scale enterprise applications. Extensive expertise in backend development, data integration, and cloud-native deployments. Deep understanding of architectural best practices and a commitment to staying at the forefront of technology, currently exploring the potential of AI to enhance application development.
  • German

    Native or bilingual

  • English

    Conversational

Remote only
Primarily works remotely

Experience

  • DÜRR System AG
    Freelance Java Developer
    April 2016 - September 2024 (8 years and 5 months)
    Numerous consecutive Manufacturing Execution System (MES) development and maintenance projects. Upgraded user interface (JSP to JSF) and backend for shift counter, availability and cycle time porcessing. Core developer responsible for migrating shift calculation and counting logic from stored procedures to a Java backend for improved performance. Upgraded application running on JBoss 7.3 to Wildfly 10 and consolidated the application into a single EAR. Implemented custom features tailored to specific customer requirements. e.g. interfaces to third party systems Lead the migration of MES system to Wildfly 23 for enhanced security features. Upgrade dependency and JDK to 17 Implemented custom OAuth module for improved authorization and access control. As a key developer, I enabled the deployment of the legacy application in a containerized and cloud native environment. I developed microservices, e.g. a Kafka-based data synchronization solution in order to continue using the legacy system within a new architecture
  • GAD Münster
    Freelance Java Developer
    March 2005 - March 2008 (3 years)
    Designed and developed a comprehensive banking system Implemented workflow design, intensive and problem loan processing adhering to MaK/MaRISK guidelines Managed and evaluated credit collateral, including valuation Technologies used: Java/J2EE, XML, WSAD/RAD, Rational RSA (UML), IBM WebSphere AS, DB2, IMS Connect, ClearCase

    Project work as permanent employee (01/2004 - 12/2005)

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Certifications

Skill set (17)

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