Oliver Gries

Date of Birth 1970 Nationality german IT Experience since 1987 Available from January 2027 Address Winzerstraße 48a, 01445 Radebeul Phone +49 (0) 351 7955567 Mobile +49 (0) 176 96350285 Fax +49 (0) 351 7955568 E-Mail oliver.gries@java-concepts.com Homepage https://www.java-concepts.com External Profile XINGExternal Profile LinkedIn PGP Key Download Last updated 20/07/2026
Oliver Gries

Top Skills

Java
Spring Boot 3.x
Java EE
Scrum / PO
Azure
AWS
Kafka
Docker
Kubernetes
Helm Charts
Fullstack
Angular
Grafana
Prometheus
Keycloak
Drools
Gitlab CI

Profile / Overview

The basis and key points of my work are common IT technologies with main emphasis in Java. Building on top of current analysis, design and software development technics User Story Writing, Clean Code, Scrum, with involvement of existing frameworks and concepts Spring Boot, JEE/EJB, Angular, Rest, Cloud Services, gives me mainly the knowledge of many case tools and development environments IntelliJ, Docker, Kubernetes, AWS, Azure, Kafka the possibility, to develop either products from the scratch, or out of existing applications Integration of Messaging Systems like JMS, MQSeries, Camel ESB / Webservice Integration and guiding them up to the production level.

Working Area

Languages

german
english
spanish
russian

Programming Languages

Java (Since 1996)
Java Script, Java TS (Since 1998)
XSLT, XML, CSS (Since 2000)
JSON, YAML (Since 2000)
Maven (Since 2013)
SQL (Since 1995)
Ant Script (Since 2000)
Cobol (Since 1995)
Perl (Since 1998)
Pascal (Since 1991)
JCL (Since 1996)
Smalltalk (Since 1996)
Assembler (Since 1987)

Methods

OO Programming Standards
Scrum Project Management (PO)
Spring Framework 6.x
Spring Boot 3.x
Docker
JEE 5/6 (JAX-RS, JAX-WS, JAXB, JSF, JSP, EJBs, JPA, JMS)
Angular 11 + Angular JS
Android Development with Java
O/R Mapping Concepts (Hibernate, OpenJPA)
Liquibase, QueryDSL
Drools Rules Engine
Test Frameworks: JUnit, Cucumber Test, Mockito, EasyMock
Legacy: Eclipse Plugin Framework
Legacy: Java Plugin Framework (JPF / Open Source)
Legacy: San Francisco Framework

Tools

Grafana, Prometheus
IntelliJ
Jira, Confluence
Cloud Computing: AWS, CDK with Lambdas, DynamoDB, Rest APIs
Cloud Computing: Azure, CosmosDB (NoSql), Serverless Functions
Cloud Computing: Kubernetes, Helm Charts, Redhat Openshift, Docker
Kafka Consumer/ Producer, Debezium DB Sync
Gitlab incl. CI/CD, GitLab Runner
Eclipse Family / IBM Websphere Studio Application Developer
APM: Dynatrace Diagnostics
APM: Oracle Mission Control, Flightmanager
APM: AppDynamics
DevOps: Bamboo, Jenkins, GitLab Runner
Artifactory Maven Repository
Node JS, NPM, NVM
Swagger
Gradle
NetBeans
IBM Rational Software Architect
IBM Websphere Application Server (Win, Linux, iSeries)
IBM Contentmanager
IBM MQ Workflow
NetExpress
Continuus, PVCS, GIT, Serena ChangeMan

Education

1990 – 1995
Computer Science and Business Administration Technical University Dresden

Projects (Commercial)

07/2025 – ongoing

Pentacor GmbH

Sector
Automotive
Location
Chemnitz
Technical
Angular 21, Next JS 16, Redis, Java TS, Spring Boot 3.5, Docker, Redux, Maven, MongoDB, AWS, Azure
Responsibility / Role
Developer
Description
Developing applications for the automotive industries.
Homepage
https://www.pentacor.de
09/2024 – 03/2025

niiio wealth management GmbH

Duration (in Months)
8
Sector
Banking
Location
Dresden
Technical
Angular, Java TS, Spring Boot, Docker, Redux, Swagger, HATEOS, Maven, Liquibase, QueryDSL, Postgresql
Responsibility / Role
Developer
Description
Developing customer specific Robo Advisory products
Reference
Ina Just; CPO; Dser GmbH
Homepage
https://www.dser.de
01/2024 – 09/2024

DSER GmbH

Duration (in Months)
9
Sector
Banking
Location
Görlitz
Technical
Angular, Java TS, Spring Boot, Docker, Redux, Swagger, HATEOS, Maven, Liquibase, QueryDSL, Postgresql
Responsibility / Role
Developer
Description
Developing customer specific Robo Advisory products
Reference
Ina Just; CPO; Dser GmbH
Homepage
https://www.dser.de
09/2022 – 12/2023

FIXHub GmbH

Duration (in Months)
14
Sector
Banking
Location
Görlitz
Technical
Angular, Java TS, Spring Boot, Docker, Redux, Swagger, HATEOS, Maven, Liquibase, QueryDSL, Postgresql
Responsibility / Role
Developer
Description
Developing customer specific Robo Advisory products
Reference
Ina Just; CPO; Dser GmbH
Homepage
https://www.fixhub.net
02/2021 – 09/2022

Niiio GmbH

Duration (in Months)
18
Sector
Banking
Location
Görlitz
Technical
Angular, Java TS, Spring Boot, Docker, Redux, Swagger, HATEOS, Maven, Liquibase, QueryDSL, Postgresql
Responsibility / Role
Developer
Description
Developing features for the product "White Label Robo Advisor" and other customer specific Robo Advisory products
Reference
Ina Just; CPO; Dser GmbH
Homepage
https://www.niiio.de
08/2018 – 01/2021

DSER GmbH

Duration (in Months)
28
Sector
Banking
Location
Dresden/Görlitz
Technical
Spring Boot, Postgres, Rest und Hessian WS, Angular 6,10, Java TS, Docker, Redux, Swagger, JMS über Camel, HATEOS, Maven, Liquibase, QueryDSL
Responsibility / Role
Developer
Description
Enhancement from existing software components within the product "Digital Asset Management"
Reference
Ina Just; CPO; Dser GmbH
Homepage
https://www.dser.de
03/2016 – 06/2018

Otto Group / Otto Group Solution Provider

Duration (in Months)
27
Sector
Logistics
Location
Dresden
Technical
Glassfish, Jetty, Oracle DB, Eclipse Link, Rails, Maven, JEE, Jira, Confluence
Responsibility / Role
Developer, SPOC of the product in the project scope
Description
Direct integration of the warehouse management system from one of the biggest Hermes Fulfillment centers in Germany at the SAP system of the company Bonprix
Homepage
https://www.osp.de
02/2015 – 02/2016

AllSecur Deutschland AG

Duration (in Months)
13 Month
Sector
Insurance
Location
Munich
Technical
Tomcat, Postgres, IntelliJ, Git, Stash, Maven, Grunt, Node, NPM, Puppet, Mule, Flyway, AngularJS, Bamboo, Jira, Confluence; Component Keywords: AngularJS App with REST Calls on Spring based Services; JPA with Hibernate
Responsibility / Role
Product Owner Proxy
Description
Development of new web applications for insurance products based on a new architecture
Reference
Herger / Management AllSecur IT Operations (German)
Homepage
https://www.allsecur.de
06/2013 – 12/2014

IBM Deutschland GmbH

Duration (in Months)
19
Sector
Finance
Location
Chemnitz
Technical
Linux, Weblogic, Websphere, Oracle DB, DB/2, Rational Software Architect, Rational Team Concert, SVN, Ant, Maven, Jenkins, Oracle Flight Recorder / Mission Control; Components: SOA with Spring 3.1.1, WS with Axis and EJB 3.1.0, JSF 1.2 with Trinidad 1.1.4, JPA with Hibernate, MQ with JMS
Responsibility / Role
Design Team
Description
Development, Customization and Rollout of the product "IBM SEPA Mandate Manager / IBM SEPA Hub". The SEPA MandateManager uses standard interfaces: web based GUI, WebSphere MQ, SOAP-Web-Services, Host-Adapter, Filesystem interfaces with MFT and the possibility to integrate other technical interfaces throughout SOA.
Reference
Volker Mielke, Gesamtprojektleiter SEPA HUB Factory, IBM
Homepage
https://www.ibm.de
01/2013 – 06/2013

Provinzial Versicherungs AG

Duration (in Months)
6
Sector
Assurance
Location
Düsseldorf
Technical
z/OS; Eclipse; CVS; IBM Workflow; IBM DB2 Content Manager; Serena ChangeMan; AppDynamics; Tabex; Jenkins; Websphere Application Server; Tomcat; Components: Java, Spring, JPA, JPQL, SOA, CXF WS, XSL, open JPA, Drools Expert, ESB with JMS, JMX, Cobol, CSS
Responsibility / Role
Coaching, Implementation
Description
Extending electronic document management system Phase 3
Reference
Klaus Jaeger, CEO Codecentric AG (German)
Homepage
https://www.provinzial.com
09/2012 – 12/2012

Provinzial Versicherungs AG

Duration (in Months)
3
Sector
Assurance
Location
Düsseldorf
Technical
z/OS; Eclipse; CVS; Serena ChangeMan; AppDynamics; Tabex; Components: Java, Spring, JPA, JPQL, SOA, CXF WS, XSL, open JPA, JMX, CSS
Responsibility / Role
Coaching, Implementation
Description
Synchronization system between an internal appointment application and Lotus Notes
Reference
Klaus Jaeger, CEO Codecentric AG (German)
Homepage
https://www.provinzial.com
09/2011 – 09/2012

Provinzial Versicherungs AG

Duration (in Months)
12
Sector
Assurance
Location
Düsseldorf
Technical
z/OS; Eclipse; CVS; IBM Workflow; IBM DB2 Content Manager; Serena ChangeMan; AppDynamics; Tabex; Jenkins; Websphere Application Server; Tomcat; Components: Java, Spring, JPA, JPQL, SOA, CXF WS, XSL, open JPA, Drools Expert, ESB with JMS, JMX, Cobol, CSS
Responsibility / Role
Coaching, Implementation
Description
Extending electronic document management system Phase 2
Reference
Klaus Jaeger, CEO Codecentric AG (German)
Homepage
https://www.provinzial.com
05/2010 – 09/2011

Provinzial Versicherungs AG

Duration (in Months)
16
Sector
Assurance
Location
Düsseldorf
Technical
z/OS; Eclipse; CVS; IBM Workflow; IBM DB2 Content Manager; Serena ChangeMan; AppDynamics; Tabex; Components: Java, JPA, JPQL, SOA, CXF WS, XSL, open JPA, JMX, Cobol, CSS
Responsibility / Role
Coaching, Implementation
Description
Document access for field service
Reference
Klaus Jaeger, CEO Codecentric AG (German)
Homepage
https://www.provinzial.com
01/2009 – 05/2010

Provinzial Versicherungs AG

Duration (in Months)
16
Sector
Assurance
Location
Düsseldorf
Technical
z/OS; Eclipse; CVS; Serena ChangeMan; Dynatrace; Components: Java, SOA, XSL, ESB with Mule, JMX, Cobol, CSS
Responsibility / Role
Coaching, Implementation
Description
Extending the claim system
Reference
Klaus Jaeger, CEO Codecentric AG (German)
Homepage
https://www.provinzial.com
10/2008 – 12/2008

Sparkassen Direkt Versicherung

Duration (in Months)
2
Sector
Assurance
Location
Düsseldorf
Technical
Eclipse; CVS; Serena ChangeMan; Components: Java, Cobol, AJAX, JSP, Java Script, Prototype, Scriptaculous
Responsibility / Role
Implementation
Description
Extending the online rate calculation system
Homepage
https://www.sparkassen-direkt.de
08/2007 – 10/2008

Provinzial Versicherungs AG

Duration (in Months)
15
Sector
Assurance
Location
Düsseldorf
Technical
z/OS; Eclipse; CVS; Serena ChangeMan; Dynatrace; IBM MQ Workflow; IBM DB/2 Contentmanager; Components: Java, SOA, SQL, XSL, ESB with Mule, JMX, Cobol, CSS
Responsibility / Role
Coaching, Implementation
Description
Building and extending a workflow and document archiving system Phase 1
Reference
Klaus Jaeger, CEO Codecentric AG (German)
Homepage
https://www.provinzial.com
07/2007 – 11/2007

[name protected]

Duration (in Months)
33 Days
Sector
Labour Union
Location
[protected]
Technical
IBM Websphere 6.1 iSeries; Components: Java, Struts, Java Tag Libs, JPF, JAXP, JDBC, SQL
Responsibility / Role
Developer
Description
Refactoring of an existing web application and introducing JPF (Java Plugin Framework)
01/2006 – 06/2007

Provinzial Versicherungs AG

Duration (in Months)
18
Sector
Assurance
Location
Düsseldorf
Technical
z/OS; Eclipse; CVS; Serena ChangeMan; Components: Java, XSL, Cobol, CSS, SQL
Responsibility / Role
Coaching, Implementation
Description
Enhancements for the claim system
Reference
Klaus Jaeger, CEO Codecentric AG (German)
Homepage
https://www.provinzial.com
01/2003 – 12/2005

Provinzial Rheinland Versicherungs AG

Duration (in Months)
3 Years
Sector
Assurance
Location
Düsseldorf
Technical
IBM Mainframe; IBM Visual Age for Java 4.0; Rational Rose; PVCS; CVS; IBM Visual Age for Cobol; Websphere Application Server z/OS; Tomcat; Serena ChangeMan; Components: Java, XSL, Cobol, CSS, SQL
Responsibility / Role
Coaching, Implementation
Description
Building of a field service application
Reference
Klaus Jaeger, CEO Codecentric AG (German)
Homepage
https://www.provinzial.com
09/2005 – 10/2005

[name protected]

Duration (in Months)
25 Days
Sector
Publishing Company
Location
[protected]
Responsibility / Role
Creator
Description
Creation of a document with functional specs for an existing, long used customer application with the aim to get a full functional description of the existing business processes covered by this software; Aim was to get a detailed description of the existing scope to redevelop this application from scratch.
08/2005 – 08/2005

RCI Banque S.A. (Renault Bank)

Duration (in Months)
2 Days
Sector
Banking Service
Location
Neuss/Hilden
Technical
IBM Websphere Development Studio Client for ISeries (WDSC)
Responsibility / Role
Lecturer
Description
Course: Introduction in Hibernate
06/2004 – 07/2004

Deutsche Post Rentenservice (Berlin)

Duration (in Months)
1
Sector
Public Service
Location
Berlin
Technical
Together Control Center, Tomcat
Responsibility / Role
Lecturer
Description
Course: Introduction in Internet Technologies
11/2002 – 12/2002

Deutsche Post Rentenservice (Cologne)

Duration (in Months)
1
Sector
Public Service
Location
Cologne
Technical
Together Control Center 6.0, OC4J
Responsibility / Role
Conception and Lecturer
Description
Course: J2EE
06/2002 – 10/2002

[name protected]

Duration (in Months)
4
Sector
Labor Union
Location
[protected]
Technical
IBM iSeries V5R1 (AS/400), PC, OS/400, DB2, Java, Windows 2000, IBM Websphere 4.0 (iSeries und Windows), IBM Websphere Studio Application Developer 4.0, Apache Jakarta Struts Framework
Responsibility / Role
Technical project management; Responsibility for concept, design and implementation
Description
An existing application for maintaining information about union members was transferred into a web (intranet) based application by using JSPs, Struts and IBM Websphere.
01/2001 – 12/2001

Fiscus GmbH

Duration (in Months)
12
Sector
Public Service
Location
Bonn, Germany
Technical
Java, EJBs, XML, XSL, San Francisco Framework, Websphere (IBM), Bean Transactions (Siemens), Windows NT
Responsibility / Role
Responsibility subsystem Devices; Work at the Import / Export subsystem
Description
The exchange with external clients and legacy systems within the new taxware product "fiscus" is done by using flexible, virtual device interfaces. The "Import/Export" subsystem is responsible for converting the internal document format (XML) into and back from all necessary external data formats (binary, EBCDIC, ...). Devices are a virtual queuing and batch processing system for asynchronic processing of e.g. Import/Export jobs.
Reference
Ingo Beling; Projektleiter Technische Basis - Fiscus Projekt
Homepage
https://www.fiscus.info
02/2000 – 11/2000

IT centre of the ministry of finance (county NRW)

Duration (in Months)
10
Sector
Public Service
Location
Düsseldorf, Germany
Technical
Java, J2EE / EJBs, XML, XSL, San Francisco Framework, Websphere, Windows NT
Responsibility / Role
Consulting within the inner project 'Körperschaftssteuer' (corporate income tax) of the 'Fiscus' project; Coaching; Prototyping; Analysis and Design
Description
The 'Fiscus' project is developing a new concept and solution for the entire IT structure in Germany regarding the calculation of taxes. It is a common project from all 16 counties in Germany.
Reference
Jörg Michael Schröder; Teamleiter Körperschaftssteuer
Homepage
https://www.fiscus.info
06/1999 – 12/1999

Karstadt AG

Duration (in Months)
6
Sector
Commerce
Location
Essen, Germany
Technical
IBM MainFrame, PC, MVS, CICS, Cobol, DB2, Java, Windows NT
Responsibility / Role
Technical project management; Responsibility for design and realization of the Business- and IT concept. Main responsibility for development.
Description
Realization of the Business- and IT concept.
Reference
Dr. Hans-Martin Köppe; General Reference (German)
Homepage
https://www.karstadt.de
11/1998 – 02/1999

Karstadt AG

Duration (in Months)
3
Sector
Commerce
Location
Essen, Germany
Technical
Java, Windows NT
Responsibility / Role
Business analysis, target concept and creation of a Business and IT concept. Implementation. Prototyping.
Description
An application for the coordination of advertisements and selling actions has to be developed. Client (Java with Browser at the Intranet); Server (CICS/Cobol).
Reference
Dr. Hans-Martin Köppe; General Reference (German)
Homepage
https://www.karstadt.de
1995 – 1996

IBM Huon Solutions

Duration (in Months)
4
Sector
Assurance
Location
London, UK
Technical
IBM MainFrame, PC, MVS, CICS, Cobol, DB2, OS/2, SmallTalk
Responsibility / Role
Trainee as technical representative for a non-life insurance product in the German speaking area
Description
An existing insurance product based on mainframe 3270 Cobol logic has been 'client/server' - enabled without changing the core 3270 business functionality. This was achieved by using code translators and code generators for the old code and by dividing each program into a 3 tier architecture.
Reference
Dave Lockwood; Manager New Technology Group Huon Corporation
Homepage
https://www.ibm.com

Projects (Open Source)

06/2018 – 2021

[Working Title: jWaPro]

Technical
Android SDK 24; Dagger, GreenDAO, Spring Boot, Spring OAuth2 Resttemplate Android, Spring Rest API, Spring Actuator with Prometheus DB, HATEOS Resources, Helm Charts, GitLab CI, Kubernetes Ingress, AWS Integration for oAuth with Double Optin registration via Lambdas and DynamoDB
Responsibility / Role
Development
Description
Case Study: Android App with Spring Boot Framework in backend for several device-spanning usage of time profiles for app usages incl. REST service integration for PC applications (Third Party software needed).
07/2003 – 10/2008

jProject Business Suite

Technical
Webapplication; Struts; Hibernate; Jasper Reports Framework; Open Adapter Framework; Docbook Documentation
Responsibility / Role
Project Manager; Implementation; Support
Description
A Webapplication for managing projects, time schedules and project related time reporting, invoices, travel organizer, customer management with role concept, reporting
Homepage
https://www.java-concepts.com/jconcepts/downloads/#jproject-business-suite

Companies

2025 – ongoing
jconcepts GmbH CEO https://www.java-concepts.com
2000 – 2025
Dipl. Wirt. Inf. Oliver Gries Freelance Software Architect https://www.java-concepts.com
1995 – 1999
CSG Germany (an IBM Global Service Company) Senior Software Consultant https://www.it-servicesandsolutions.de Dr. Hans-Martin Köppe; General Reference
1991 – 1995
Freelance work during the study Freelance programmer
1992 – 1995
Dresdner Bank Part time student jobs

Memberships

Societies to support computer science

2000 – ongoing
Gesellschaft für Informatik (GI) https://gi.de/
2000 – 2014
Berufsverband Selbständiger in der Informatik (BvSI)
2017 – ongoing
Verband der Gründer und Selbstständigen Deutschland e.V. (VGSD) https://www.vgsd.de

Reference

20.03.2025 Ina Just; CPO; Dser GmbH

Herr Gries hat sich in sämtlichen Projekten als äußerst kompetenter, zuverlässiger und engagierter Mitarbeiter bewährt. Mit seiner schnellen Auffassungsgabe und seinem tiefen technischen Verständnis gelang es ihm, sich eigenständig und effizient in komplexe bestehende Softwarestrukturen einzuarbeiten und diese gezielt weiterzuentwickeln.

Herr Gries arbeitete stets lösungsorientiert, zeigte eine ausgeprägte Teamfähigkeit und war durch seine proaktive und klare Kommunikation ein geschätztes Mitglied unseres Teams. Herr Gries hat unsere Erwartungen in jeder Hinsicht übertroffen und wir würden uns freuen, erneut mit ihm zusammenarbeiten zu dürfen.

31.12.2014 Volker Mielke, Gesamtprojektleiter SEPA HUB Factory, IBM

Herr Oliver Gries hat sich durch sein fachliches Können, seine Zuverlässigkeit und allgemeine Professionalität das hohe Vertrauen des Teams, der Architekten und Projektleitung erarbeitet. Herr Oliver Gries hat seine Arbeiten immer zu unserer vollsten Zufriedenheit ausgeführt.

31.12.1998 Dave Lockwood; Manager New Technology Group Huon Corporation

Oliver was involved in the Huon Java Client/Server project from October 1997 to September 1998. He established himself as a key member of the project team, participating in the Java Client Framework design and contributing key elements to that design.

The quality of Oliver's work and his commitment to the project during this period was excellent.