Ralf Bergs
Software Developer
Experience
Jun 2023 - Oct 2023
5 months Lorem ipsum dolor sit amet
Versorger
- Analyze 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 2021 - Dec 2024
4 years Lorem ipsum dolor sit amet
Transport-Unternehmen
- Bug fixing and optimizing legacy systems
- Analyzing existing system interfaces and redesigning them
- Setting up SAP BTP (IAM, deployment pipelines, logging, etc.)
- Guiding new developers in creating Spring Boot microservices
- Migrating legacy SAP interfaces to Spring Boot microservices
- Developing 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
Logistik-Unternehmen
- Bug fixing and enhancements of existing backend applications
- Re-implementing backend applications in OpenShift, Kubernetes, and Docker environments with Spring Boot, REST, and PostgreSQL
- Creating deployment pipelines with Jenkins
- Designing and implementing user interfaces with Vue.js
- Providing application metrics with Prometheus and Grafana
- Performance tuning in high-load systems
- Writing stored procedures and database migrations
- Refactoring existing legacy code
- Operational responsibility for the migrated microservices
Jan 2015 - Jan 2018
3 years 1 month Lorem ipsum dolor sit amet
Versicherung
- Connecting multiple external service providers via secure web services or SFTP connections
- Implementing B2B transformations with Apache Camel
- Automating insurance processes with Camunda
- Creating web services with JAXB
- Implementing PDF generation with iText
- Introduction and bug fixing
Aug 2013 - Jan 2018
4 years 6 months Lorem ipsum dolor sit amet
Versicherung
- Re-implementing an existing legacy application
- Integrating the new application into the existing IT landscape
- Data migration
- Lead development, project management, coordination of external service providers
- Introduction, bug fixing, and continuous improvement
Jan 2013 - Jun 2013
6 months Lorem ipsum dolor sit amet
Finanzdienstleister
- Developing modules for pension, finance, goals, and documentation center
- Developing custom GUI components
- Refactoring, troubleshooting, and bug fixing
Jun 2009 - Dec 2012
3 years 7 months Lorem ipsum dolor sit amet
Versicherung
- Coaching employees in Java and Swing-based frameworks
- Developing components for quick claim entry, claim history, payment processing, and investment business
- Refactoring, troubleshooting, and bug fixing
Sep 2008 - May 2009
9 months Lorem ipsum dolor sit amet
Logistik-Konzern
- Extending and bug fixing the existing customer profile application
- Redeveloping the Web 2.0 frontend for the quality office of the Unique Customer Identification application
- Creating a new SOAP web service for the quality office web frontend
Dec 2007 - Aug 2008
9 months Lorem ipsum dolor sit amet
Non-Profit-Organisation
- Extending and revising client and server components for person merging and reminders
- Developing performance-critical batch jobs
- Redeveloping job export and import components
- Creating and optimizing Hibernate queries
- Bug fixing and troubleshooting
May 2007 - Nov 2007
7 months Lorem ipsum dolor sit amet
Bank
- Designing and implementing the key and market data import
- Implementing supplementary processes and business methods
- Extending deletion of faulty data deliveries
- Designing and implementing deployment with Ant
- Developing process control with shell scripts
- Bug fixing and troubleshooting
Oct 2006 - May 2007
8 months Lorem ipsum dolor sit amet
Handelsunternehmen
- Developing parameter management for the point-of-sale backend system
- Creating country-specific extensions
- Extending existing standard GUI components
- Bug fixing and troubleshooting
Apr 2006 - Sep 2006
6 months Lorem ipsum dolor sit amet
Non-Profit-Organisation
- Developing client and server components for addresses, personal file, projects, and person merging
- Creating Hibernate queries
- Refactoring business object communication and server-side exception handling
- Reviewing design documentation and framework components
- Bug fixing and troubleshooting
Aug 2005 - Mar 2006
8 months Lorem ipsum dolor sit amet
Investment Bank
- Implementing logging with Log4J
- Connecting Java components to Sybase servers via Hibernate
- Designing and implementing build and deployment process using Apache Ant
- Stored procedure programming
- Database performance tuning
- Korn shell scripting
- Overall process control with CA Autosys
- Troubleshooting and debugging
Aug 2002 - Jul 2005
3 years Lorem ipsum dolor sit amet
Versicherung
- Technical redesign of Swing user interfaces
- Designing and implementing the policy management component for commercial insurance
- Designing and implementing the building policy management component
- Designing and implementing the agent component
- Designing and implementing the commission component
- Troubleshooting and debugging
Jan 2002 - Jul 2002
7 months Lorem ipsum dolor sit amet
Bank
- Redesigning the object model
- Designing the persistence architecture in a three-tier environment
- Implementing the persistence layer with WebGain TOPLink
- Performance tracing and tuning
- Code reviews
- Creating JSPs
Apr 2001 - Dec 2001
9 months Lorem ipsum dolor sit amet
Versicherung
- Implementing Riester pension products
- Creating automated test routines with QARun
- Implementing client-server communication between Smalltalk and Java using RMI
Jan 2001 - Mar 2001
3 months Lorem ipsum dolor sit amet
Medienunternehmen
- Designing and developing the booking component
- Object-oriented analysis and design
- Data modeling
- Implementation
- Reviewing the historization concept
Sep 2000 - Dec 2000
4 months Lorem ipsum dolor sit amet
Beratungsunternehmen
- Training in object-oriented analysis and design
- Coaching and building an application with modules for commission calculation, employee controlling, and liquidity planning
Nov 1999 - Aug 2000
10 months Lorem ipsum dolor sit amet
Versicherung
- Designing and developing the tariff calculation core
- Smalltalk batch programming
- Performance tuning
- Data model optimization
Nov 1998 - Sep 1999
11 months Lorem ipsum dolor sit amet
Versicherung
- Designing and implementing the selection editor
- Designing and implementing the concept for concurrent database access
- Performance tuning
- Troubleshooting and debugging
Jul 1998 - Oct 1998
4 months Lorem ipsum dolor sit amet
Softwarehersteller
- Coaching PMSmicado frameworks
- Technical project management
- Lead development
Dec 1997 - Jun 1998
7 months Lorem ipsum dolor sit amet
Versicherung
- Extending a persistence framework for DB2 on MVS access via a transaction monitor (IMS)
- Validating the frameworks to be used
- Designing and overseeing the development process under ENVY
Mar 1997 - Nov 1997
9 months Lorem ipsum dolor sit amet
Softwarehersteller
- Extending a persistence framework to store data in distributed, heterogeneous database environments
Languages
German
NativeEnglish
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