Java Entwicklung & Architektur

https://docs.google.com/document/d/17DkBvJw_6794ewqK3c-4lPbniR7cTCo6/edit?usp=drivesdk&ouid=116447531613908990875&rtpof=true&sd=true



 


André Rochlitz
 Diplom Informatiker 
   rochlitz.consulting@gmail.com

Over 20 years of software development 





04.2023 - heuteKV digital 
(https://www.kv.digital
https://praxis.116117-termine.de/)
Role

• Developer (DevOps /  Event Driven)

Tasks

• Java Backend-Entwicklung
• Architektur-Entwicklung
• Performance & load testing
• Continuous Integration Development: jenkins 
• Scripting: bash,  python
• Grafana dashboard development
• Virtual network development
• Creation of user stories, technical concepts and proof of concepts
• Kanban and Scrum process and common policies in development context development
• Operation / productions support
• Legacy Code  Refactorings
• Process-Optimierungen
• DevOps Entwicklung
• Tech-Presentations

Technologies

• Java 17, Python 
• Spring -Boot (JPA), -Integration,Testing 
• Docker
• Git
• Bash
• Rest
• Broker: ActiveMQ
• Database: MariaDB, Couchbase
• Splunk
• Grafana,
• Jira, Confluence 
• Sonar,  Trivy
• Intellij, Pycharm, Eclipse
• Linux ( Ubuntu ...)
• Jetty
• Maven

03.2019 - 03.2023Deutsche Bahn, Station und Service (https://www.bahn.de/)
 
Projects

• Iris+ (event driven processing chain), Wasa (web application)

Role

• Developer (DevOps / Cloud / Event Driven)

Tasks

• Stabilizing the performance and robustness of microservice chains
• Reactive streams (Flux)
• Load testing for application landscapes
• Microservice development with Spring Boot, Python
• Full test automation (component-, integration- and load- testing)
• TDD cucumber
• DDD
• Performance & load testing
• Continuous Integration Development: GitLab-CI 
• Package managing / templating: helm 2/3
• Scripting: bash, gitlab-ci, make, python
• Grafana dashboard development
• Virtual network development
• Hexagonal / Onion architecture based development, clean code, reviews
• Creation of user stories, technical concepts and proof of concepts
• Development of rough, detailed design and interface documents (english)
• Scrum process and common policies in development context development
• Operation / productions support

Technologies

• Java 8,11,17, Python, Scala 
• Reactive Streams
• Spring -Boot, -Integration,- Cloud, -Reactor ..
• AWS Kubernetes, EC2, S3 Buckets, ..
• Kubernetes, Docker, Helm 2/3
• Git, Make, Bash
• Gradle, GitLab
• Rest, HAL
• Broker: RabbitMQ
• Database: Postgres, Flyway, Redis
• ELK - Elasticsearch, Kibana, Logstash, Fluentd
• Grafana, Prometheus
• Jira, Confluence 
• Sonar, pmd, Findbugs, Trivy
• Gatling (Load Testing), cucumber gherkin
• Intellij, Pycharm
• Windows 10, Linux (Alpine, Ubuntu ...)

01.2019 - 03.2019Gema R2 (https://www.gema.de/)
 
Project

• R2 (Recherche und Reklamation) - event driven microservices and ETL

Role

• Developer (DevOps / Cloud)

Tasks

• Microservice development with Spring Boot
• Development of rough, fine concept and interface documents 
• Build development pipelines to deploy on k8s and ansible driven linux (vm)
• Full test automation (unit and integration tests)
• Setup new project and infrastructure
• TDD
• DDD
• Stakeholder management (Business Department Enterprise and Software Architects, Business Owner)
• Tibco

Technologies

• Java 8
• Broker: ActiveMQ, Tibco EMS
• Kubernetes, Docker
• Git
• Maven, Gradle, Jenkins
• Spring Boot
• Rest, SOAP
• Oracle DB, Postgres, H2
• Elastic Search, Kibana, Filebeat
• Sparx EA
• cucumber gherkin

08.2018 - 12.2018CCP Junior Conrad (via Pidoco) Shop Platform
(https://pidoco.com/de, https://www.conrad.de)
 
Project

• European Online Shops (conrad.com conrad.be, conradelectronic.dk, conrad.pl, conrad.com, conrad.fr ..) Maintenance and Feature Development

Role

• Software Architect, Developer 

Tasks

• Java 8 ( Development of Service and further CMS Feature)
• Scrum and kanban process improvement
• Rest service development 
• Web application development

Technologies

• Java 8
• Kubernetes 
• Google Cloud
• Docker
• apigee API Gateway
• Microservices
• Spring 4
• Rest
• Java 8
• Hippo CMS
• Instana
• Uptrends
• Git, maven, Jenkins
• Sparx EA, Visual Studio

03.2018 - 08.2018Mercedes Benz Van Mobility 
(https://www.vanrental.de)
 
Project

• Integration of several Daimler internal (like SAP) and external application and services (like Schufa or DAT ..)

Role

• Solution Architect

Tasks

• Conception of Service Infrastructure
• Business analysis
• Python prototyping
• Requirement engineering (developing business concepts)
• Develop integration architecture 
• Project management and supplier controlling
• dsgvo deletion concept for user data
• Integration Architecture Planning

Technologies

• SOAP 
• IBM Websphere IIB
• Elastic Search Stack (with Kibana)
• Python Java
• Enterprise Architect
• BPMN

06.2017 - 03.20184flow (https://www.4flow.de/)
 
Project

• Apply industry standard: Automotive SPICE

Role

• Solution Architect

Tasks

• Develop concept to implement ASPICE (process, template development)
• Architecture analysis
• Workshops with Bosch and 4flow
• Develop architecture documents (+ templates)
• Test and development strategies and processes (SCRUM, Kanban)
• Coaching rollout

Technologies

• 4flow vista application landscape
• REST WS, EDIFACT and subsets
• Java 7-8
• Linux
• Eclipse, Jira, confluence
• Continuous Integration via jenkins, git, maven
• Sparx EA, Visual Studio 

03.2017 - 06.2017HiRes Berlin (BMW M, Syzygy) 
(https://www.syzygy.net, https://www.bmw-m.com/)
 
Project

• Finalize BMW M Community Project

Role

• Architect,  technical Project Lead

Tasks

• Establish SCRUM
• Develop web application and web services
• Managing development 
• Passing BMW QA gates
• Coordinate infrastructure
• Rollout infrastructure HiRes and BMW
• Architecture development Liferay
• Develop maintenance contracts with SLAs

Technologies

• Liferay, REST WS
• Java 7-8  
• Glassfish, apache ..
• BMW Infrastructure
• Oracle 11g, Postgres
• Linux
• Jira, Fisheye, Crucible, confluence,Sparx EA, Visual Studio
• Continuous Integration via jenkins, git, maven 3

01.2016 - 03.2017MyToys Group (ambellis.de, yomonda.de, mytoys.de, mirapodo.de ..)
 
Project

• Project Payback: Enable payback points and coupons for MyToys  online shops user and located shops (connecting Payback and prepare payback services via Microservices, SOAP, REST)
• MyToys multi shop checkout maintenance

Role

• Architect, Developer

Tasks

• Conception and realization Payback integration to web shop
• Conception and development of software microservices
• Conception of intelligent infrastructure for messaging
• Conception of microservice templates and infrastructure
• Conception of integration test strategies
• Conception, execution and analysis of load tests
• Enable software QA and scrum

Technologies

• Java 7-8  
• Spring 4,3, spring boot, spring data, Mockito, Hibernate, JPA 2 and a lot of tools and java frameworks
• Oracle 11g, H2
• Hystrix
• Sparx enterprise architect
• eclipse,Jira, Fisheye, Crucible, confluence
• Continuous Integration via jenkins, git, maven 3, git live, git lab
• Soap, rest, HATEOAS
• Apache MQ, Drools 4, Solr, Lucene
• SunOS, CentOS, Windows
• VMWare, OpenStack, Docker
• Apache 2, Tomcat 5 – 8
• Selenium, SoapUI
• HTML5, javascript
• Scrum, Kanban

06.2014 – 07.2015Konto-Assistant - Online Banking Hybrid-Application 
 
Project

• Konto-Assistent

Role

• Software architect, developer

Tasks

• (Web) Application-, security
• Conception & design of web services  & software architectures
• Android, web development frontend development
• Java EE Development
• Web service development
• Financial Transaction HBCI, FinTS  
• Security audit, concepts

Technologies

• Java 8 EE,
• REST, FinTS
• HTML5, Javascript (JQuery)
• MySQL
• Wildfly 8
• Git, eclipse

02.2015 – 12.2015Volkswagen CarNet China 
Project

• Mobile Online-Dienste China / CarNet 

Role

• Enterprise, Solution -Architect

Tasks

• Conception & Design of SOA & Software Architectures
• (Web) Application security
• Business analysis
• Web service development
• Mobile application & web/portal development
• Offshore team management & support
• Planning & project management support
• Load testing conception and leading non functional testing
• Requirement management
• Contract specification
• Prototyping
• Security audit & concepts
• Gateway management
• Social network
• Telematics
• Coaching developer and software architects
• Code review

Technologies

• Java, Liferay, Javascript, Rest, Soap, SOA, UML, Sparx EA, Jira, Confluence, HP ALM, Layer7, OAuth, Gateway - , Authorization -, Identification Tech., Verizon Telematics, Hacker Agency XProfile, MBB, NavInfo Telematics & Map Technology,

08.2012 - 12.2014Daimler on order Daimler TSS (www.daimler.com), Stuttgart 
Project 

• Daimler PAI (Application Platform Development) 
• www.daimler-tss.de/Trainings/Trainingskatalog/Service-Delivery/Proactive-Infrastructure-(PAI)
  (DevOps)

Role 

• Developer, architect

Tasks

• Java 6/7 development maintenance server components and applications (frontend and backend) keeping daimler technology standards 
• English specification and documentation (public) of platform components,, development, maintenance and Public API, web applications and java frameworks  for PAI J2EE Platform (Websphere 7.8, IHS, DB2 ..), Tomcat 6
• Configuration and installation of cluster (PAI J2EE Platform)
• Performance and load testing: conception, planning, execution and analysis of load tests for application server cluster 
• Scrum
• Offshore cooperation with supporting teams in india and malaysia
• Teaching Daimler employees

Technologies

• Java EE, EJB3,  Ant, Bash, JSF (MyFaces), Tomahawk, XML, HTML, CA SiteMinder, LDAP (openLDAP), VMWare, vSphere,  OpenJPA (JPA), MyFaces (JSF)  
• Eclipse, Ivy, cobertura, Mockito, Spring Boot, FindBugs, CheckStyle, PMD, RPM, Jenkins, Maven, Ant
• SLES (Linux), Tomcat 6, Apache 2, modJK, Groovy Websphere 8, DB2, JBoss
• Scrum
• Websphere Message Broker, Application Server, IBM Webserver
• DB2
• HP LoadRunner, Selenium, HP Quality Center, Jira, CA Wily
• AIX (Unix), SLES (Linux), Windows

04.2012 - 07.2012Volkswagen AG on order T-Systems,  Wolfsburg ASK  (www.volkswagen.de)
Cancelation after 3 month because of management fault of T-System.
Project 

• Audi Service Key V2 (www.audi.de) 
• Development of new product version of dealer portal and ElsaPro web application

Role 

• Developer

Tasks

• Development Audi Service Key 2 CR
• Development  of new features of JEE-Application ElsaPro
• Development JavaScript GUI, web services, business logic

Technologies

• Websphere 6, Oracle, Java, JavaScript, Ajax, XML, HTML, CSS, JSON,  Struts, Spring, RAD   8, Windows 7, EJB2

2007.05 - 04.2012Steria Mummert Consulting, Berlin (www.steria.com)
Role

• Employee as consultant in diverse extern customer project

Münchener Hypothekenbank on order Steria Mummert Consulting AG, München
(www.muenchenerhyp.de)
Project 

• Analyzing infrastructure with scope of interfaces and data exchange between all systems, find bottlenecks and optimize communication 

Role 

• EAI Architect (consultant Steria Mummert Consulting AG) 

Tasks

• Analyzing of integration layer 
• Develop and analyze requirements 
• Market evaluation of possible product
• Production of criteria catalogue

Steria Mummert AG (GAS-X), Leipzig and Berlin 
(www.gas-x.de/loesungen/prozess-and-datenmanagement/gas-x-portal)
Project 

• Development of first version (prototype for pilot version) of GAS-X Dealer Portal  

Role 

• Architect (IT Consultant of Steria Mummert Consulting AG)
   

Tasks

• Conception of GAS-X B2C + B2B Portal based on inubit BPM and Liferay
• Conception development of JEE portal with adapted GAS-X backend based on inubit BPM suite
• Development of strategy of realization of web application 
• Prototype for eWorld 2012
• Development of port let’s with EXTJS Widgets 

Technologies

• JBoss, Tomcat ,  TomEE, Oracle, Java, JavaScript, Ajax, XML, HTML, CSS, JSON, Liferay, Jetspeed2, JSF, Richfaces, Ajax4JSF, Spring, Eclipse, SVN, BPEL VMWare, inubit suite 6, EXTJS 4.1, JUnit, Glassfish,  XSLT, JQuery, EJB3

Finanzinformatik on order 
Steria Mummert Consulting AG, Frankfurt am Main 
(www.f-i.de)

Project 

• Migration java framework of Internetfiliale
   

Tasks

• Implementation DEKA business cases (Brokerage web application) with new framework 

Role 

• Developer   (IT Consultant on or Steria Mummert Consulting AG)
   

Technologies

• JBoss, Websphere, DB2, Java, JavaScript, dojo,  Ajax, XML, HTML, CSS, JSON,  Jetspeed2, Hibernate, Struts, Spring, MyEclipse, SVN, SOAP, HBCI, SCRUM, JUnit, JPA, AIX, Linux, Windows, Jira, OSPlus, EJB3, Scrum, PMD

Deutsche Post Bonn, Berlin on order Steria Mummert Consulting AG 
(www.deutschepost.de)
Project 

• Security analysis of packet tracing portal of
• Deutsche Post

Role 

• Security Architect  
• (IT Consultant of Steria Mummert Consulting AG)

Tasks

• Development of security concept with KOMPASS proceed model, attack modelling based on STRIDE
• Development of security concept, risk analysis 

Finanzinformatik on order Steria Mummert Consulting AG, Frankfurt am Main and Berlin
(www.f-i.de/Portfolio/Gesamtbankloesung-OSPlus/Multikanalvertrieb/Internet-Filiale-5.0)
Project 

• Brokerage Zielbild 2012, (Deka trading)
   

Role 

• Developer, frontend and SOA Architect  
• (IT Consultant of Steria Mummert Consulting AG)
   

Tasks

• Development of brokerage for Internetfiliale
• Conception and development of application 
• Adaption of Deka Backend
• Implementation of specification
• Coaching of Developer
• Development of JavaScript based GUI components

Technologies

• JBoss, Websphere, DB2, JavaScript, JSON, XML, HTML, Jetspeed2, CSS, Hibernate, Struts, Spring, MyEclipse, SOAP,HBCI, JUnit, HP Quality Centre, AIX, Linux, Windows, Jira, OSPlus, Scrum, PMD

C&A on order Steria Mummert Consulting AG - www.c-and-a.com, Düsseldorf

Project 

• Validation of IPH’s single domain conception of C&A
   

Role 

• Architect (IT Consultant on or Steria Mummert Consulting AG)
   

Tasks

• Validation of prepared it-concept
• Analysis of Architecture concept 
• PoC of reverse proxy environment
• Conception of rollout 

Finanz Informatik Frankfurt am Main, on order Steria Mummert Consulting AG 
(www.f-i.de) 
Project 

• Sparkassen online banking Deka integration (www.deka.de)

Tasks

• Internetfiliale integration of Deka with FinTS 
• Development of business logic
• Development of java taglibs and frameworks
• Development von persistence 
• Development of JavaScript based GUI
• Integration of HBCI 

Role 

• Developer  (IT Consultant on or Steria Mummert Consulting AG) 
• lead Developer
• frontend Architect

Technologies

• JBoss, Websphere, DB2, Java, JavaScript 
• JSON, XML, Jetspeed2, Hibernate, Struts, Spring
• MyEclipse, Hivemind, HP Quality Center, JUnit
• AIX, Linux, Windows, Jira, OSPlus

FinanzInformatik Hannover, Frankfurt am Main, Berlin

Project 

• development of decentralized campaign management for online banking “Internetfiliale” 
• (www.f-i.de/Portfolio/Gesamtbankloesung-OSPlus/Multikanalvertrieb/Internet-Filiale-5.0)

Role

• Backend Developer (IT Consultant on or Steria Mummert Consulting AG)
   

Tasks

• Development of content distribution web services des online banking systems
• (content exporter server from CMS to Internetfiliale portal server)
• Technical conception and development of campaign management of  Internetfiliale

Technologies

• Websphere, DB2, Java, HTML,  XML, Hibernate, Struts, Spring, MyEclipse, HP Quality Center, SVN, AIX, Windows,  OSPlus, IBM Rational Developer RAD, PMD, JAX-WS

SparkassenInformatik on order Steria Mummert Consulting AG, Frankfurt am Main

Project 

• Configuration management Internetfiliale (www.f-i.de/Portfolio/Gesamtbankloesung-OSPlus/Multikanalvertrieb/Internet-Filiale-5.0)

Role 

• Configuration manager, Developer (IT Consultant on or Steria Mummert Consulting AG)
   

Tasks

• Development and maintenance of online banking
• Coordination and management of test, development and production stages 
• Version manager
• Continuous Integration
• Third Level support of production

Technologies

• Ant, CruiseControl, Websphere, DB2, Harvest, CVS, LoadRunner,HP Quality Center, AIX, Linux, Windows, MyEclipse, Java, JavaScript, JSON, XML, HTML, PMD)

SparkassenInformatik on order Steria Mummert Consulting AG, Frankfurt am Main
(www.f-i.de/Portfolio/Gesamtbankloesung-OSPlus/Multikanalvertrieb/Internet-Filiale-5.0)
Project 

• Internetfiliale 7,8 development and maintenance

Role 

• Developer (IT Consultant on or Steria Mummert Consulting AG)
   

Tasks

• Development, maintenance of security reviews
• Maintenance and development of Internetfiliale (development of  shop, service-, banking- and investment components) 
• Development web services

Technologies

• Websphere, DB2, Java, Hibernate, Struts, Spring, MyEclipse, CVS, JUnit ,  OSPlus, JavaScript, JSON, XML

Bundesanstalt für Materialforschung und Prüfung on order Steria Mummert Consulting AG, Berlin 
(www.bam.de)


Project 

• Migration “BAM Beschaffung” DMS-PARFIS
• Implementation of business BAM processes with Documentum

Role 

• Developer 

Tasks

• Development  with EDM Documentum java framework
• Documentation, testing 

Technologies

• SCRUM, Eclipse, Red Hat, Oracle, Documentum, VMWare, JUnit, JavaScript, XML)

2006.11 - 2007.05CeDiS - Freie Universität Berlin, Berlin (www.cedis.fu-berlin.de/)
Project 

• Students Portal FU-Berlin
   
• Development student portal (Social-Network, Scheduler, personalization, study administration, file sharing, E-Learning)

Role 

• Developer, Consultant
   

Tasks

• Product conception 
• Evaluation products and technologies for development
• Development of prototype and it concept
• Conception of infrastructure

Technologies

• Eclipse, Java, MySQL, Tomcat, Liferay, JavaScript, SVN, Scrum, JavaScript, XML, HTML, Ajax, CSS

Auswärtiges Amt on order CeDiS, Berlin
(www.diplomatie.de)


Project 

• development of diplomatic portal, web based CMS 

Role 

• Architect, consultant, Developer

Tasks

• analysis and development of requirement specification
• evaluation of CMS products 
• planning implementation
• development 
• data migration

(PHP, Joomla, MySQL, SVN, JavaScript, JSON, XML )




CeDiS Fu-Berlin (www.cedis.fu-berlin.de/)


Project 

• development of international coaching platform Distributed Campus (www.distributed-campus.org)

Role 

• Architect, Developer
   

Tasks

• implementation of java portlets
• conception of new features
• planning implementation
• maintenance
• technical support
• development of CMS

Technologies

• Eclipse, Java, MySQL, Tomcat, Jetspeed, Velocity, Turbine, Torque, SVN, JSP, JavaScript, XML, JSON

CeDis - Freie Universität, Berlin

Project 

• eLearning lessons
• it conception and development of eLearning web application and framework for building lessons by editor 

Role 

• Developer, Architect

Tasks

• development of ActionScript  components and container (Flash, JavaScript)

Freie Universität - CeDiS, Berlin
(www.distributed-campus.org)


Project

• Development international coaching platform Distributed Campus (FU Berlin)

Role 

• Architect, Developer
   
• Conception of platform and implementation of portlets ( Apache Jetspeed Portal) 

Technologies

• Eclipse, Java, MySQL, Tomcat, Jetspeed, Velocity, Turbine, Torque, SVN, JSP

1999.09 - 2003.07Studium Technische Fachhochschule Berlin 
(www.tfh-berlin.de)

Project 

• Development of diploma thesis
• Development of SCORM web catalogue

Role 

• Developer, student

Tasks

• Conception and implementation of web based Catalog on SCORM for TFH - Virtuelle Hochschule

2001.10 - 2003.07front2back, PSI AG (www.psi.de)
Project 

• Web CMS front2back
   
• Development of enterprise Web CMS 

Role 

• Developer

Tasks

• Development of web based WYSIWYG Content Management Systems

PSIPENTA, PSI Energy Oil & Gas, PSI Logistics , BETASYSTEMS on or front2back PSI, Berlin


Project 

• Development of web based products for diverse PSI and extern companies 

Role 

• Developer (working student)

Tasks

• Development of web based Web-FTP-Client
• Development of web based LDAP Frontend Client 
• Development of web based press CMS, job search machine, document management client for BETASYSTEMS

2000.11 - 2001.10Prognos AG, Berlin
(www.prognos.com)
Role 

• Administrator (working student)

1999.08 - 2000.08ESS Sternberg, Sternberg

Role 

• CTO 

Tasks

• Sales, consulting, hardware- and software service

1996.08 - 1999.08ESS Sternberg, Sternberg

Project 

• Hardware service, network service and administration, printer and copier service
   

Role 

• Azubi

Tasks 

• Sales, consulting, hardware and software service