Java Entwickler / Data Engineer
Aktualisiert am 26.06.2024
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 01.10.2024
Verfügbar zu: 100%
davon vor Ort: 5%
Scala
AWS
Apache Spark
Python
Azure
PostgreSQL
Java
Git
DevOps
Apache Kafka
Docker
Hadoop
English
C1,C2
German
C1,C2
Lithuanian
Mother tongue(s)

Einsatzorte

Einsatzorte

Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

6 Monate
2023-04 - 2023-09

Enfuce

Cloud Developer Java 17 PostgreSQL Spring Boot 3
Cloud Developer
Developing microservices for the integration of external services into the Enfuce platform. Developing
cloud infrastructure with AWS CDK
AWS
Java 17 PostgreSQL Spring Boot 3
Enfuce
remote
3 Monate
2022-10 - 2022-12

All-around data engineering

Data Engineer
Data Engineer
AWS (Step Functions) Gitlab CI/CD Scala Spark
Deutsche Bahn Energie (Frankfurt, Germany)
1 Jahr
2021-10 - 2022-09

Developing tools for vehicle?s test data processing

Scala Engineer
Scala Engineer
  • Working on a Big Data project in the automotive domain (end customer ? Mercedes Benz).
Scala Spark Databricks Azure Postgres data formats specific for automotive industry (MDF TMT)
T-Systems GmbH (Berlin, Germany)
8 Monate
2021-03 - 2021-10

Building ETL pipelines

Data Engineer
Data Engineer
Kafka ksqlDB Kafka Connect Python Azure Kubernetes Postgres Oracle
Allianz Technology (Munich, Germany)
4 Monate
2020-12 - 2021-03

Refactoring Scala code, migrating to HDFS, building the environment

Data Engineer
Data Engineer
Scala Kafka Connect Hadoop Spark Docker Debezium
Mehrwertmacher GmbH (Dresden, Germany)
3 Monate
2020-10 - 2020-12

Metrics and Alerts in Grafana, improvements for the Real-time platform

Data Engineer
Data Engineer
Scala Kafka Kafka Stream Kubernetes Helm Prometheus Grafana
Mobimeo GmbH (Berlin, Germany)
2 Monate
2020-06 - 2020-07

Joined an early stage startup

Tech lead
Tech lead
Java Spring Boot gRPC PostgreSQL Docker
Craftsoft.io
3 Monate
2020-03 - 2020-05

Building microservices for the real-time trading platform

Scala Developer
Scala Developer
Scala Kafka Akka Kubernetes
TTMZero GmbH
1 Jahr 9 Monate
2018-09 - 2020-05

Working on backend of Yields.io platform, mostly on Data Lake

Scala Developer
Scala Developer
Scala Spark Akka-Http Hadoop Docker
Yields.io
1 Jahr 8 Monate
2016-11 - 2018-06

Testing data validation

Software Developer
Software Developer
  • Developing Maalka data platform: backend developer for PlayFramework and Akka backend. 
PlayFramework Scala Akka Elasticsearch ScalaTest some frontend work with AngularJS
Maalka Inc.
1 Jahr 4 Monate
2015-08 - 2016-11

Big Data projects, BPMN projects

Senior Developer
Senior Developer

  • Big Data projects ? worked on Java Backend for a tool used to model customer behaviour. 
  • BPMN projects ? modelling new and changing old business processes, working closely with business users, improving technology stack. 


Activiti Framework, Java 8, Jetty, Spring MVC, Oracle DB Microsoft Azure Couchbase
Financial Services
2 Jahre 2 Monate
2013-05 - 2015-06

Developed custom solutions for software integration

Technical Consultant
Technical Consultant
  • Worked as an all-around technical consultant. 
  • Developed custom solutions for software integration; installation and maintenance of standard FICO products; documentation. 
Java, Spring Integration
Fair Isaac Lithuania, UAB
2 Jahre
2011-05 - 2013-04

ESB implementation project.

Software developer
Software developer
  • Worked in the Team Integration unit. 
  • Took part in the bank-wide ESB implementation project.
Java Apache Camel XSLT various MQs Web Services
SEB bank, Vilnius, Lithuania
6 Monate
2010-07 - 2010-12

Implementation of new features and change requests

Software developer
Software developer
  • Implementation of new features and change requests on basis of Web Services, Portlets, JSP, EJB, Hibernate, DB2, Websphere
Ethalon GmbH, Hamburg, Germany
10 Monate
2009-09 - 2010-06

Implementation of new features and change requests on basis of JBoss

Software developer (working student)
Software developer (working student)
  • Implementation of new features and change requests on basis of JBoss SEAM, JSF, Hibernate, MySQL, JBoss Application Server
CleverSoft GmbH, München, Germany
4 Monate
2008-07 - 2008-10

Development of web portal on PHP and MySQL basis

Internship software development
Internship software development
5mm GmbH
4 Jahre 1 Monat
2003-10 - 2007-10

Development of web-based tools for managing office's data

Website/databases administrator
Website/databases administrator
Vilnius University, Office of International Programmes and Relations, Vilnius, Lithuania
9 Monate
2005-10 - 2006-06

Migration and administration of Association's website on Joomla basis

Website administrator
Website administrator
Lithuanian Shareholders Association,Vilnius, Lithuania
2 Monate
2004-07 - 2004-08

All-round IT intern

Internship
Internship
Siemens AG Power Transmission and Distribution, Berlin, Germany

Aus- und Weiterbildung

Aus- und Weiterbildung

2 Jahre 9 Monate
2007-10 - 2010-06

Master of Science in Informatics and Electronic Commerce

Master, Universität Augsburg
Master
Universität Augsburg
Software Engineering, Project Management, Electronic Commerce

Position

Position

Senior Scala / Data Engineer

Kompetenzen

Kompetenzen

Top-Skills

Scala AWS Apache Spark Python Azure PostgreSQL Java Git DevOps Apache Kafka Docker Hadoop

Produkte / Standards / Erfahrungen / Methoden

Spring Boot
Fortgeschritten

Computer skills and competences

Frameworks:

Spring Boot, PlayFramework, Spring MVC, Apache Camel, Spring Integration, Spring Batch, Activiti BPM


Servers: 

Tomcat, JBoss Application Server, WebSphere Application Server


Cloud:

Microsoft Azure, Kubernetes, Docker


Frontend: 

AngularJS, React, ScalaJs, CSS


Version control systems: 

Git, Subversion, ClearCase


Concepts: 

Web Services, UML, Design Patterns, Functional Programming


Other: 

ActiveMQ and other MQs, Maven, SBT, bash scripting

Betriebssysteme

Linux/UNIX
Ubuntu, Red Hat, AIX
OS X
Windows

Programmiersprachen

Java
Scala

Datenbanken

MySQL
Oracle
Couchbase
Mongo
Elasticsearch

Einsatzorte

Einsatzorte

Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

6 Monate
2023-04 - 2023-09

Enfuce

Cloud Developer Java 17 PostgreSQL Spring Boot 3
Cloud Developer
Developing microservices for the integration of external services into the Enfuce platform. Developing
cloud infrastructure with AWS CDK
AWS
Java 17 PostgreSQL Spring Boot 3
Enfuce
remote
3 Monate
2022-10 - 2022-12

All-around data engineering

Data Engineer
Data Engineer
AWS (Step Functions) Gitlab CI/CD Scala Spark
Deutsche Bahn Energie (Frankfurt, Germany)
1 Jahr
2021-10 - 2022-09

Developing tools for vehicle?s test data processing

Scala Engineer
Scala Engineer
  • Working on a Big Data project in the automotive domain (end customer ? Mercedes Benz).
Scala Spark Databricks Azure Postgres data formats specific for automotive industry (MDF TMT)
T-Systems GmbH (Berlin, Germany)
8 Monate
2021-03 - 2021-10

Building ETL pipelines

Data Engineer
Data Engineer
Kafka ksqlDB Kafka Connect Python Azure Kubernetes Postgres Oracle
Allianz Technology (Munich, Germany)
4 Monate
2020-12 - 2021-03

Refactoring Scala code, migrating to HDFS, building the environment

Data Engineer
Data Engineer
Scala Kafka Connect Hadoop Spark Docker Debezium
Mehrwertmacher GmbH (Dresden, Germany)
3 Monate
2020-10 - 2020-12

Metrics and Alerts in Grafana, improvements for the Real-time platform

Data Engineer
Data Engineer
Scala Kafka Kafka Stream Kubernetes Helm Prometheus Grafana
Mobimeo GmbH (Berlin, Germany)
2 Monate
2020-06 - 2020-07

Joined an early stage startup

Tech lead
Tech lead
Java Spring Boot gRPC PostgreSQL Docker
Craftsoft.io
3 Monate
2020-03 - 2020-05

Building microservices for the real-time trading platform

Scala Developer
Scala Developer
Scala Kafka Akka Kubernetes
TTMZero GmbH
1 Jahr 9 Monate
2018-09 - 2020-05

Working on backend of Yields.io platform, mostly on Data Lake

Scala Developer
Scala Developer
Scala Spark Akka-Http Hadoop Docker
Yields.io
1 Jahr 8 Monate
2016-11 - 2018-06

Testing data validation

Software Developer
Software Developer
  • Developing Maalka data platform: backend developer for PlayFramework and Akka backend. 
PlayFramework Scala Akka Elasticsearch ScalaTest some frontend work with AngularJS
Maalka Inc.
1 Jahr 4 Monate
2015-08 - 2016-11

Big Data projects, BPMN projects

Senior Developer
Senior Developer

  • Big Data projects ? worked on Java Backend for a tool used to model customer behaviour. 
  • BPMN projects ? modelling new and changing old business processes, working closely with business users, improving technology stack. 


Activiti Framework, Java 8, Jetty, Spring MVC, Oracle DB Microsoft Azure Couchbase
Financial Services
2 Jahre 2 Monate
2013-05 - 2015-06

Developed custom solutions for software integration

Technical Consultant
Technical Consultant
  • Worked as an all-around technical consultant. 
  • Developed custom solutions for software integration; installation and maintenance of standard FICO products; documentation. 
Java, Spring Integration
Fair Isaac Lithuania, UAB
2 Jahre
2011-05 - 2013-04

ESB implementation project.

Software developer
Software developer
  • Worked in the Team Integration unit. 
  • Took part in the bank-wide ESB implementation project.
Java Apache Camel XSLT various MQs Web Services
SEB bank, Vilnius, Lithuania
6 Monate
2010-07 - 2010-12

Implementation of new features and change requests

Software developer
Software developer
  • Implementation of new features and change requests on basis of Web Services, Portlets, JSP, EJB, Hibernate, DB2, Websphere
Ethalon GmbH, Hamburg, Germany
10 Monate
2009-09 - 2010-06

Implementation of new features and change requests on basis of JBoss

Software developer (working student)
Software developer (working student)
  • Implementation of new features and change requests on basis of JBoss SEAM, JSF, Hibernate, MySQL, JBoss Application Server
CleverSoft GmbH, München, Germany
4 Monate
2008-07 - 2008-10

Development of web portal on PHP and MySQL basis

Internship software development
Internship software development
5mm GmbH
4 Jahre 1 Monat
2003-10 - 2007-10

Development of web-based tools for managing office's data

Website/databases administrator
Website/databases administrator
Vilnius University, Office of International Programmes and Relations, Vilnius, Lithuania
9 Monate
2005-10 - 2006-06

Migration and administration of Association's website on Joomla basis

Website administrator
Website administrator
Lithuanian Shareholders Association,Vilnius, Lithuania
2 Monate
2004-07 - 2004-08

All-round IT intern

Internship
Internship
Siemens AG Power Transmission and Distribution, Berlin, Germany

Aus- und Weiterbildung

Aus- und Weiterbildung

2 Jahre 9 Monate
2007-10 - 2010-06

Master of Science in Informatics and Electronic Commerce

Master, Universität Augsburg
Master
Universität Augsburg
Software Engineering, Project Management, Electronic Commerce

Position

Position

Senior Scala / Data Engineer

Kompetenzen

Kompetenzen

Top-Skills

Scala AWS Apache Spark Python Azure PostgreSQL Java Git DevOps Apache Kafka Docker Hadoop

Produkte / Standards / Erfahrungen / Methoden

Spring Boot
Fortgeschritten

Computer skills and competences

Frameworks:

Spring Boot, PlayFramework, Spring MVC, Apache Camel, Spring Integration, Spring Batch, Activiti BPM


Servers: 

Tomcat, JBoss Application Server, WebSphere Application Server


Cloud:

Microsoft Azure, Kubernetes, Docker


Frontend: 

AngularJS, React, ScalaJs, CSS


Version control systems: 

Git, Subversion, ClearCase


Concepts: 

Web Services, UML, Design Patterns, Functional Programming


Other: 

ActiveMQ and other MQs, Maven, SBT, bash scripting

Betriebssysteme

Linux/UNIX
Ubuntu, Red Hat, AIX
OS X
Windows

Programmiersprachen

Java
Scala

Datenbanken

MySQL
Oracle
Couchbase
Mongo
Elasticsearch

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