Freelancerprofil: Softwareentwickler (Backend) Remote - Volker Schmidt in Barcelona

Softwareentwickler (Backend) Remote

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Volker Schmidt | Barcelona | Remote
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Kategorie(n): IT
FREELANCER KONTAKTIEREN

Freelancer-Vorstellung

SPRACHEN

  • Deutsch (Muttersprache)
  • Englisch (Verhandlungssicher)
  • Spanisch (Grundkenntnisse)

Studienabschluss

Diplom-Informatiker (FH)

FÄHIGKEITEN, KENNTNISSE UND ERFAHRUNGEN

Programmiersprachen: Java (bis 11)
Frameworks: Spring, Spring Boot, Spring Security, Hibernate, JEE
Datenbanken: PostgreSQL, MySQL/MariaDB, Oracle, MongoDB, Redis, ElasticSearch
Queueing: Artemis, ActiveMQ, Amazon SQS
Cloud: AWS, Docker, Kubernetis
Versionsverwaltung: GIT
Sonstige Standards: FHIR
Sonstige Produkte: Prometheus, Grafana
Methoden: Agile, Scrum, Kanban

Ich bin ein passionierter Softwareentwickler mit mehr als 21 Jahren professioneller Erfahrung (hauptsächlich Backend) in großen sowie auch kleinen Unternehmen. Diese habe ich auch schon mehrfach in Remote-Projekten unter Beweis stellen dürfen. In den letzten Jahren war ich hauptsächlich mit der Erstellung von Servicen (unter anderem Microservices) für die Cloud beschäftigt.

Skills

Skill
Erfahrung in Jahren

Java
0
Spring
0
Spring Boot
0
Hibernate
0
PostgreSQL
0
MySQL
0
MongoDB
0
Redis
0
ElasticSearch
0
AWS
0
Cloud
0
FHIR
0
REST
0
Docker
0
Kubernetis
0

PROJEKTHISTORIE

IT Service Provider (100 – 500 Employees), Barcelona (Spain)

01.2020 – 04.2020 Backend Developer
- Extension of a content platform: Spring Boot 2.0, Spring Framework, Java 11, AWS, SQS, Docker, Kubernetes, MongoDB, Elasticsearch, Prometheus, Grafana, IntelliJ IDEA, Maven 3, GIT

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IT Service Provider (500 – 1.000 Employees), Barcelona (Spain)

10.2019 – 11.2019 Backend Developer
- Extension of a customer portal: Java 8, Apache Felix, Apache Oak, IntelliJ IDEA

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Health related Informatics Department of Public Institute (< 100 Employees), Oslo (Norway)

08.2018 – 08.2019 Backend Developer REMOTE
- Development of a FHIR adapter for software DHIS 2: Spring Boot 2.0, Apache Artemis MQ, PostgreSQL, Redis 4, DHIS 2, FHIR, Java 8Spring Data REST 3.0, Apache Tomcat 8, IntelliJ IDEA, Maven 3, GIT

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IT Service Provider (< 50 Employees), Frankfurt am Main (Germany)

07.2016 – 06.2018 Software Developer REMOTE
- Architecture, design and implementation of a CMS backend that operates in a cloud: Cloud, REST, GraphQ, Sharding, AWS, Chargebee, Jackson 2, Hystrix, sentry.io, Java 8, Apache CXF 3, Apache ActiveMQ, MongoDB 3.6, Spring Framework 4.3, Spring Security 4.2, Spring Social, Redis 3.2 Cluster, Apache Tomcat 8, IntelliJ IDEA, Maven 3, GIT, Elasticsearch 6, OAuth 2
- Extension of an existing web application in the area of stock broking: Spring Framework 3.0, Hibernate 3.3, JSF 1.1, Apache Tomcat 7, Oracle 11g, IntelliJ IDEA, Maven 3, GIT, Java 8
- Extension of a framework to access database systems and to be accessible by a REST interface: Spring Framework 4.3, Hibernate 5.0, Apache CXF 3, Oracle 11g, PostgreSQL 10, IntelliJ IDEA, Maven 3, GIT, Java 8
- PCI compliant application to collect credit card data: Spring Framework 4.3, Apache CXF 3, jQuery, Apache Tomcat 8, IntelliJ IDEA, Maven 3, GIT, Java 8

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IT Service Provider (< 50 Employees), Frankfurt am Main (Germany)

01.2016 - 07.2016 Software Developer
- Exchange of Spring MVC by Wicket in a Base Web Application Framework: Java 8, Oracle 11g, GIT, Eclipse, WebLogic Server, Redis 2.8

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Mobility and Logistics Company (> 1.000 Employees), Frankfurt am Main (Germany)

05.2015 - 12.2015 Software Developer

- Design and implementation in the area of Train Ticket Sales: Java 8, Oracle 11g, GIT, Eclipse, WebLogic Server, Redis 2.8

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IT Service Provider (< 50 Employees), Frankfurt am Main (Germany)

09.2014 - 04.2015 Software Developer

- Design, implementation and documentation of a Base Web Application Framework and a Web Application Prototype: Java 8, Hibernate 4.3.8, JPA 2.1, Spring Framework 4.1.5, Spring Security 3.2.5, Spring MVC (Spring Framework 4.1.5), JavaMail 1.5.2, JCE/JCA, PostgreSQL 9.2, HTML 4, jQuery 1.11.2, GIT

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Mobility and Logistics Company (> 1.000 Employees), Frankfurt am Main (Germany)

01.2014 - 07.2014 Software Developer
- Cooperation in a developer team in design and implementation in the area of Train Prognosis: Java 1.6 and 1.7, Spring Framework 3, Hibernate 4, Eclipse 3 and 4, GIT, Oracle 11g, Enterprise Architect 10, JBoss EA 6, Tomcat 7, Scrum

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IT Service Provider (< 50 Employees), Frankfurt am Main (Germany)

07.2013 - 12.2013 Software Developer
- Analysis, technical design and implementation of Geo Location Services that are based on data of OpenStreetMap: C++, GEOS 3.4, PostgreSQL 9.2, PostGIS 2.0, Java 7, Spring Framework 3.2, RESTFUL Web Services, jQuery 1.9, Eclipse, GIT

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Mobility and Logistics Company (> 1.000 Employees), Frankfurt am Main (Germany)

11.2012 - 06.2013 Software Developer
- Investigation of architecture variants (Messaging, Clustering, Caching, EJB, Persistence) in order to extend an existing system. Separation of components in order to enable Domain Driven Design: JEE 6, Java 6, JBoss EA 5.1, JBoss AS 7.1, Oracle 11g, Enterprise Architect 9.2, Eclipse Plug-in, GIT, Scrum

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Mobility and Logistics Company (> 1.000 Employees), Frankfurt am Main (Germany)

11.2011 - 09.2012 Software Developer
- Technical design and extension of multiple applications to create time tables of traffic connections: Java 6 and 7, Java Swing, Hibernate 3.3, JBoss 5.1.0, Oracle 11g, Enterprise Architect 9.2, Spring Framework 2.5.6, EJB 3, ModSecurity, Eclipse, Subversion

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Market Research Company for Automotive (100 - 500 Employees), Frankfurt am Main (Germany)

11.2010 - 09.2011 Technical Architect
- Architecture, design and implementation of a portal for the evaluation of survey results: Visual Paradigm for UML 8, Java 6, Microsoft SQL Server 2005, Apache Tomcat 5.5, OWASP, Apache HTTP Server 2.2, Hibernate 3.3, Spring Framework 2.5.6, Struts 2.1.8, jQuery, jqGrid, jPivot 1.8, Eclipse Ganymede, BIRT 2.5, Maven 2.2, Hudson/Jenkins CI, Windows Server 2008

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IT Service Provider at Financial Company (< 50 Employees), Frankfurt am Main (Germany)

07.2009 - 10.2010 Software Developer
- Performance enhancements, coaching and extension of a web application to collect and evaluate compliance information about employees of all worldwide locations:, Java 6, Oracle 10g, PL/SQL, Apache Tomcat 6, Servlet 2.5, JSP 2.1, JSF 1.2, RichFaces 3.2, Hibernate 3.3, Spring Framework 2.5, Eclipse BIRT 2.5, AnyChart, JFreeChart, Eclipse 3.4, CVS, Subversion, CSS
- Development of a framework project that simplifies the creation of web application projects (User Management, Scheduler, Mail, Menu Structure, Persistence Manager, LDAP Server Connection): Java 6, Oracle 10g, JSF 1.2, RichFaces 3.2, Hibernate 3.3, Hibernate Envers 1.2.2, Spring Framework 2.5, XML Schema 1.0, JAX-P, JavaMail API, JNDI, Quartz 1.6.5, Apache POI 3.6, Eclipse 3.4, CVS
- Development of a web application to maintain deals, migration of the existing system: Java 6, Oracle 10g, PL/SQL, Apache Tomcat 6, Servlet 2.5, JSP 2.1, JSF 1.2, RichFaces 3.2, Hibernate 3.3, Hibernate Envers 1.2.2, Spring Framework 2.5, Apache CXF 2.1, CVS-Parser, JAX-B, JAX-P, JAX-WS, iText 5.0, Apache POI 3.6, Eclipse 3.4, CVS, CSS, Apache VFS
- Development of a customer relationship management application with connection to another system: Java 6, Oracle 10g, Apache Tomcat 6, Servlet 2.5, JSP 2.1, JSF 1.2, RichFaces 3.2, Hibernate 3.3, Hibernate Envers 1.2.2, Spring Framework 2.5, Apache CXF 2.1, JAX-B, JAX-WS, Eclipse 3.4, CVS, CSS
- Development of a web application to collect team participants of deals: Java 6, Oracle 10g, Apache Tomcat 6, Servlet 2.5, JSP 2.1, JSF 1.2, RichFaces 3.2, CSS, Hibernate 3.3, Hibernate Envers 1.2.2, Spring Framework 2.5, Apache POI 3.6, Eclipse 3.4, CVS

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Telecommunication Company (> 1.000 Employees), Darmstadt (Germany)

04.2008 - 09.2008 Software Developer
- Extension of an ETL software: Java 6, SWT, Oracle 10g, JavaScript, Hibernate 3.2, Spring Framework 2.0, Ant, Subversion, Pentaho Data Integration 3.0, Pentaho Business Intelligence 1.7, Solaris 10, JBoss 4.2.1

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Telecommunication System Company (100 - 500 Employees), Stockholm (Sweden)

06.2007 - 03.2008 Architect | Developer | Consultant REMOTE
- Extension of an ETL software
- Support of the development of migration tools for a telecommunication system
- Interface and functional specifications, development of migration tools for a telecommunication system

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IT Service Provider at Telecommunication Company (> 1.000 Employees), Darmstadt (Germany)

01.2006 - 03.2007 Software Developer
- Development of a J2EE web application to configure and order products
- Definition of interfaces, development of a J2EE application that processes and routes messages (WebService, OAQ, file interface), design and implementation of a Workflow Framework

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TerraNua - A Fidelity Investments Company (> 1.000 Employees), Galway (Ireland)

01.2005 - 12.2005 Lead Developer REMOTE
- Software evaluation in the area of compliance
- Design and development of a web portal prototype with connection to a telecommunication system in order to demonstrate Converged Voice Services
- Design, implementation, test and documentation of a stub of a telecommunication system that can be used for software development and software tests

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COLT TELECOM GmbH (> 1.000 Employees), Frankfurt am Main (Germany)

01.2003 - 12.2004 Senior Developer (Permanent Position)
- Functional specification, design, implementation and coaching of a development of an application that configures a telecommunication system
- Architecture, design and quality assurance of the development of a message-oriented system
- Architecture and design of a web application
- Design and implementation of an extension of an application that configures a telecommunication system
- Involvement in architecture, design and implementation of the web portal of the company

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Telecommunication Company (> 1.000 Employees), Frankfurt am Main (Germany)

09.2000 - 12.2002 Software Developer
- Architecture, design, implementation of an application that configures a telecommunication system
- Design and implementation of an application to generate work processes dynamically
- Architecture, design and implementation of an application that configures a telecommunication system
- Design and implementation of an application in order to define and manage technical products
- Design implementation of an application to generate work processes dynamically
- Design and implementation of a web application that evaluates the license usage of Remedy dynamically

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International Group (> 1.000 Employees), Mannheim (Germany)

03.1999 - 07.2000 Software Developer REMOTE
- Design and implementation of a web application server for several observation systems of hardware and software products
- Design and implementation of a notification system for messages of hardware and software products
- Connection of a brewery process control
- Functions specification and demo web application
- Driver to access messages as a virtual document management system
- Workshops about web application servers
- Java Servlet to access document management systems
- Web administration frontend for a document management system

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Siemens AG (> 1.000 Employees), Mannheim (Germany)

07.1998 - 03.1999 Degree Candidate REMOTE
- Design and implementation of a physical document archiving system including full text indexing

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Siemens AG (> 1.000 Employees), Mannheim (Germany)

07.1996 - 03.1998 Student Trainee REMOTE
- Design and implementation of a client-/server application to access document management systems

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Siemens AG (> 1.000 Employees), Mannheim (Germany)

03.1996 - 07.1996 Student Trainee
- Implementation, test, installation, bug-fixing of a document management system

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WIKA Alexander Wiegand GmbH (> 1.000 Employees), Klingenberg am Main (Germany)

09.1994 - 01.1995 Student Trainee
- Design and implementation of a database application

Stunden- und Tagessatz

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SONSTIGES

Um Ihnen einen besseren Eindruck meiner Fähigkeiten zu ermöglichen, bin ich vorab auch gerne bereit eine Coding-Challenge zu bearbeiten.

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