Ralf Bergs
Software Developer
Experience
Jun 2023 - Oct 2023
5 months Lorem ipsum dolor sit amet
Utility company
- Analysis of the existing software landscape
- Tool selection with evaluation of MuleSoft Anypoint and Talend Open Studio
- Evaluation of integration services on the Azure platform
- Setup of Azure App Services
- Proof-of-concept implementation of offer data import with MuleSoft and Spring Boot in Azure App Service
Jan 2020 - Dec 2025
4 years Lorem ipsum dolor sit amet
Transport company
- Bug fixing and optimization of legacy systems
- Analysis of existing system interfaces and their redesign
- Setup of SAP BTP (IAM, deployment pipelines, logging etc.)
- Coaching new developers in creating Spring Boot microservices
- Migration of legacy SAP interfaces to Spring Boot microservices
- Development of asynchronous interfaces with Protobuf and RabbitMQ
- Introduction, hypercare, bug fixing and performance optimization
Feb 2018 - Dec 2020
2 years 11 months Lorem ipsum dolor sit amet
Logistics company
- Bug fixing and enhancements of existing backend applications
- Re-implementation of backend applications in OpenShift, Kubernetes and Docker environments with Spring Boot, REST and PostgreSQL
- Creation of deployment pipelines with Jenkins
- Design and implementation of user interfaces with VueJS
- Provision of application metrics with Prometheus and Grafana
- Performance tuning in high-load systems
- Creation of stored procedures and database migrations
- Refactoring of existing legacy code
- Operational responsibility for the migrated microservices
Jan 2015 - Jan 2018
3 years 1 month Lorem ipsum dolor sit amet
Insurance company
- Integration of multiple external service providers via secured web services or SFTP connections
- Implementation of B2B transformations with Apache Camel
- Automation of insurance processes with Camunda
- Creation of web services with JAXB
- Implementation of PDF generation with iText
- Introduction and bug fixing
Aug 2013 - Jan 2018
4 years 6 months Lorem ipsum dolor sit amet
Insurance company
- Re-implementation of an existing legacy application
- Integration of the new application into the existing IT landscape
- Data migration
- Lead development, project management, coordination of external service providers
- Introduction, bug fixing and continuous further development
Jan 2013 - Jun 2013
6 months Lorem ipsum dolor sit amet
Financial services provider
- Development of the modules for provision planning, financial management, goals and documentation center
- Development of custom GUI components
- Refactoring, troubleshooting and bug fixing
Jun 2009 - Dec 2013
3 years 7 months Lorem ipsum dolor sit amet
Insurance company
- Employee coaching in Java and Swing-based frameworks
- Development of components for quick claims entry, claims history, payment processing and participations management
- Refactoring, troubleshooting and bug fixing
Sep 2008 - May 2009
9 months Lorem ipsum dolor sit amet
Logistics group
- Expansion and bug fixing of the existing customer profile application
- Redevelopment of the Web 2.0 frontend for the Quality Office of the Unique Customer Identification application
- Development of a new SOAP web service for the Quality Office web frontend
Dec 2007 - Aug 2008
9 months Lorem ipsum dolor sit amet
Non-profit organization
- Enhancement and overhaul of client and server components for person matching and reminders
- Development of performance-critical batch jobs
- New development of job export and import components
- Creation and optimization of Hibernate queries
- Bug fixing and troubleshooting
May 2007 - Nov 2007
7 months Lorem ipsum dolor sit amet
Bank
- Design and implementation of key and market data import processes
- Implementation of supplementary processes and business methods
- Enhancement of deletion for faulty data deliveries
- Design and implementation of deployment with Ant
- Development of workflow control with shell scripts
- Bug fixing and troubleshooting
Oct 2006 - May 2007
8 months Lorem ipsum dolor sit amet
Trading company
- Development of configuration management for the POS backend system
- Creation of country-specific extensions
- Enhancement of existing standard GUI components
- Bug fixing and troubleshooting
Apr 2006 - Sep 2006
6 months Lorem ipsum dolor sit amet
Non-profit organization
- Development of client and server components for addresses, personal files, projects and person matching
- Creation of Hibernate queries
- Refactoring of business object communication and server-side exception handling
- Review of design documentation and framework components
- Bug fixing and troubleshooting
Aug 2005 - Mar 2006
8 months Lorem ipsum dolor sit amet
Investment Bank
- Logging implementation using Log4J
- Integration of Java components with Sybase servers via Hibernate
- Design and implementation of build and deployment processes using Apache Ant
- Stored procedure programming
- Database performance tuning
- Korn shell scripting
- Overall workflow control with CA Autosys
- Troubleshooting and error debugging
Aug 2002 - Jul 2005
3 years Lorem ipsum dolor sit amet
Insurance company
- Technical redesign of Swing user interfaces
- Design and implementation of the policy management component for commercial insurance
- Design and implementation of the building insurance policy management component
- Design and implementation of the agent management component
- Design and implementation of the commission component
- Troubleshooting and error debugging
Jan 2002 - Jul 2002
7 months Lorem ipsum dolor sit amet
Bank
- Redesign of the object model
- Design of the persistence architecture in a three-tier environment
- Implementation of the persistence layer using WebGain TOPLink
- Performance tracing and tuning
- Code reviews
- JSP creation
Apr 2001 - Dec 2002
9 months Lorem ipsum dolor sit amet
Insurance company
- Implementation of Riester pension products
- Creation of automated test workflows with QARun
- Implementation of client-server communication between Smalltalk and Java using RMI
Jan 2001 - Mar 2001
3 months Lorem ipsum dolor sit amet
Media company
- Design and development of the booking component
- Object-oriented analysis and design
- Data modeling
- Implementation
- Review of the historization concept
Sep 2000 - Dec 2000
4 months Lorem ipsum dolor sit amet
Consulting company
- Training in object-oriented analysis and design
- Coaching and implementation of an application with modules for commission accounting, employee controlling and liquidity planning
Nov 1999 - Aug 2000
10 months Lorem ipsum dolor sit amet
Insurance company
- Design and development of the tariff calculation core
- Smalltalk batch programming
- Performance tuning
- Data model optimization
Nov 1998 - Sep 1999
11 months Lorem ipsum dolor sit amet
Insurance company
- Conceptual design and implementation of the selection editor
- Design and implementation of the concept for concurrent database access
- Performance tuning
- Troubleshooting and error debugging
Jul 1998 - Oct 1998
4 months Lorem ipsum dolor sit amet
Software vendor
- Coaching on PMSmicado frameworks
- Technical project management
- Lead development
Dec 1997 - Jun 1998
7 months Lorem ipsum dolor sit amet
Insurance company
- Extension of a persistence framework to support access to DB2 for MVS via a transaction monitor (IMS)
- Validation of frameworks to be used
- Design and oversight of the development process under ENVY
Mar 1997 - Nov 1997
9 months Lorem ipsum dolor sit amet
Software vendor
- Extension of a persistence framework to support storage in distributed, heterogeneous database environments
Languages
German
Native
English
Advanced
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