freiberufler Senior Java Developer auf freelance.de

Senior Java Developer

offline
  • auf Anfrage
  • 60327 Frankfurt am Main
  • Europa
  • pl  |  en  |  de
  • 05.05.2023

Kurzvorstellung

● 17+ years of experience as Full Stack Senior Java developer
● Looking for new projects in Q3/Q4 2021
● Based in Germany

Qualifikationen

  • Docker
  • Git
  • Gradle
  • Hibernate (Java)
  • J2EE (Java EE)
  • JavaScript
  • Jenkins
  • jQuery
  • Kafka
  • Kubernetes
  • MongoDB
  • PostgreSQL
  • Representational State Transfer (REST)
  • Selenium
  • Spring

Projekt‐ & Berufserfahrung

Senior Java/JEE developer
ZYRES digital media systems GmbH, Frankfurt am Main
1/2018 – offen (6 Jahre, 2 Monate)
IT & Entwicklung
Tätigkeitszeitraum

1/2018 – offen

Tätigkeitsbeschreibung

Inhouse eCommerce platforms maintenance, migration to microservice/reactive architecture, new features/platforms architecture + development, Automated UI testing + Load testing, integration with customer ERP systems. Requirements analysis and delivering technical specifications.

Eingesetzte Qualifikationen

Docker, Git, J2EE (Java EE), Jenkins, jQuery, Kafka, Kubernetes, MongoDB, PostgreSQL, Representational State Transfer (REST), Selenium, Spring

Senior Java Developer
Deutsche Börse AG, Eschborn
9/2010 – 12/2017 (7 Jahre, 4 Monate)
Banken
Tätigkeitszeitraum

9/2010 – 12/2017

Tätigkeitsbeschreibung

1. Eurex​ ​Clearing​ ​GUI​ ​web​ ​applications​ developer

● Working​ ​with​ ​Product​ ​Owners​ ​and​ ​translating​ ​business​ ​requirements​ ​into​ ​technical​ ​specifications​ ​and GUI/middleware​ ​implementations
● Continuous​ ​integration​ ​of​ ​GUI​ ​frontend​ ​and​ ​middleware​ ​with​ ​financial​ ​backend​ ​systems​ ​(developed​ ​in parallel)​ ​and​ ​in-house​ ​infrastructure
● Partial​ ​maintenance​ ​of​ ​the​ ​backend​ ​codebase​ ​responsible​ ​for​ ​GUI-backend​ ​integration​ ​(PL/SQL)
● Development​ ​and​ ​maintenance​ ​of​ ​the​ ​common​ ​components​ ​shared​ ​across​ ​the​ ​GUI​ ​and​ ​middleware applications
● Providing​ ​support​ ​during​ ​software​ ​installation​ ​on​ ​simulation​ ​and​ ​production​ ​environments
● Processing​ ​end-user​ ​feedback,​ ​​ ​providing​ ​usability​ ​improvement​ ​solutions
● Reporting​ ​to​ ​management​ ​using​ ​Agile​ ​toolset,​ ​following​ ​in-house​ ​standards​ ​for​ ​software​ ​development and​ ​maintenance

Technical​ ​Environment ​:​ ​GWT​ ​/​ ​GXT​ ​/​ ​Spring​ ​/​ ​Hibernate​ ​/​ ​PL/SQL​ ​/​ ​XML​ ​/​ ​XSLT​ ​/​ ​Junit​ ​/​ ​Tomcat​ ​/​ ​Rally​ ​/ Selenium​ ​RC​ ​/​ ​Jenkins​ ​/​ ​Eclipse​ ​/​ ​GIT​ ​/​ ​Gerrit

2. Developer of In-house​ ​project​ ​planning​ ​/​ ​issue​ ​tracking​ ​/​ ​release​ ​management​ ​application

● 6​ ​months​ ​mission​ ​of​ ​porting​ ​of​ ​an​ ​existing​ ​cgi​ ​based​ ​web​ ​application​ ​into​ ​an​ ​open​ ​source​ ​based​ ​JEE stack.
● analysys​ ​of​ ​the​ ​legacy​ ​software​ ​and​ ​gathering​ ​requirements​ ​for​ ​new​ ​features ● architecting​ ​and​ ​implementation​ ​of​ ​the​ ​new​ ​application​ ​stack
● providing​ ​usability​ ​improvements​ ​and​ ​database​ ​optimizations

Technical​ ​Environment ​:​ ​Hibernate​ ​/​ ​Spring​ ​/​ ​Spring-MVC​ ​/​ ​Jsp​ ​/​ ​web​ ​services​ ​(apache​ ​cxf)​ ​/​ ​JUnit​ ​/​ ​jQuery​ ​/ Lucene​ ​/​ ​Tomcat​ ​/​ ​Oracle​ ​/​ ​Ant​ ​/​ ​Eclipse​ ​/​ ​SVN

Eingesetzte Qualifikationen

Apache Tomcat, Apache Subversion (SVN), Eclipse, Hibernate (Java), J2EE (Java EE), JUnit, PL/SQL, Spring, Git, Jenkins, Webservices, JavaScript, jQuery, JSP (Java Server Pages)

Senior Java Developer
Roche Poland, Warsaw
3/2005 – 3/2010 (5 Jahre, 1 Monat)
Gesundheitswesen
Tätigkeitszeitraum

3/2005 – 3/2010

Tätigkeitsbeschreibung

Web​ ​application​ ​developer​ ​in​ ​Insurance​ ​and​ ​Government​ ​Fund​ ​Management​ ​areas

● implementation​ ​of​ ​data​ ​model,​ ​business​ ​services,​ ​web​ ​controllers
● design​ ​and​ ​implementation​ ​of​ ​in-house​ ​MVC​ ​framework​ ​based​ ​on​ ​xslt
● unit​ ​tests,​ ​integration​ ​tests,​ ​functional​ ​tests​ ​implementation

Technical​ ​Environment​ ​:​ ​JavaServlets​ ​/​ ​XSL​ ​/​ ​HTML​ ​/​ ​JavaScript​ ​/​ ​XSD​ ​/​ ​EJB2​ ​/ PL/SQL​ ​/​ ​Oracle​ ​/​ ​Weblogic​ ​/​ ​Ant​ ​/​ ​Eclipse

Eingesetzte Qualifikationen

Hibernate (Java), J2EE (Java EE), Spring

Ausbildung

Technical​ ​University​ ​of​ ​Szczecin,​ ​Poland
Ausbildung
2003
Szczecin, Poland

Persönliche Daten

Sprache
  • Polnisch (Muttersprache)
  • Englisch (Fließend)
  • Deutsch (Grundkenntnisse)
Reisebereitschaft
Europa
Arbeitserlaubnis
  • Europäische Union
Profilaufrufe
1654
Alter
44
Berufserfahrung
20 Jahre und 5 Monate (seit 09/2003)

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