Alexander Pospiech

Thematic Focus

Relational and Columnar Databases

Big Data, Stream Processing, Graph Computing

Software Development – from planning, implementation, testing to production readiness

Security and Privacy

Methodical and Social Skills

critical, analytical, reflective, creative



Programming Skills

Static – Java, C++

Dynamic – Python, Javascript, PHP, LUA

Databases – SQL, PL/SQL

Miscellaneous – HiveQL, Pig, Cypher, KSQL, SPARQL


Databases – Postgres, MySQL, Exasol, DB2, SAP HANA

Big Data – Hadoop, Hive, Spark, Flink

Streaming – Kafka, Storm,

Miscellaneous – Sentry, Neo4J, ElasticSearch


Language Skill – German, English

Work Experience

  • Data Engineer – Data Scientist / inovex / Jan, 2015 – present

    Several projects spanning from optimizing databases, warehousing, Big Data to data science. Languages: Java, Python Databases: Postgres, Exasol, Hive, Cassandra, Hbase Processing: Kafka, Storm, Spark Technologies: Pentaho Data Integration, JUnit, Fitnesse, Acceptance Tests, Avro, Jupyter, ElasticSearch, Sentry

  • Working Student / Datameer / 2012.11 – 2013.11

    Enhancing the Datameer application by integrating optimizationtools. Technologies: Java, Datameer, Hadoop, Git, Ant, Java Interactive, Profiler, JUnit

  • Working Student / SAP / 2010.04 – 2012.11

    Testing and enhancing the SAP HANA. Building a benchmark framework for the low-level database architecture. Technologies: Java, Python, C++, SAP HANA, Git, Jenkins, Git

  • Working Student / kontur networx / 2009.01-2010.03

    Planning, implementation, testing and maintenance of customer-adapted back- and frontends.

  • Freelancer / 2005.01-2009.01

    Planning, implementation, testing and maintenance of customer-adapted applications.


Humbold-Universität zu Berlin, 2004-2014

Otto-Nagel-Gymnasium, Berlin


Music – Listening, Collecting and throw parties

Reading – Science, Science-Fiction, Fantasy

Sports – Dinghy Sailing, Scuba Diving, Skiing