Experience

insigh.io

• Greece
• Technology, Information and Internet
• 1 - 100 Employee

• Senior Software Engineer

  • Oct 2022 - Present



TRASYS GREECE

• Greece
• Software Development
• 100 - 200 Employee

• Software Engineer/Architect

  • Aug 2019 - Sep 2022

  Worked on a distributed data analytics platform for chemical data. Designed and optimized pipelines for data transformation and visualization. Technologies used: HDFS, Apache Spark, Hive, YARN, PostgreSQL, Neo4j, ChemAxon JChem Base API Languages used: Python, Scala, Java, SQL Worked on a distributed data analytics platform for chemical data. Designed and optimized pipelines for data transformation and visualization. Technologies used: HDFS, Apache Spark, Hive, YARN, PostgreSQL, Neo4j, ChemAxon JChem Base API Languages used: Python, Scala, Java, SQL



Commsquare

• Belgium
• Telecommunications
• 1 - 100 Employee

• Software Engineer

  • Apr 2016 - Jul 2019

  Worked on a Spark-based real-time analytics project for control and user plane passively monitored traffic of mobile networks. Technologies used: PySpark, Apache Kafka, Tableau. Worked on a data processing and reporting tool for benchmarking analysis of telecommunication measurements. Technologies used: Django, Celery, AngularJS, MariaDB, Tableau. Worked on a Spark-based real-time analytics project for control and user plane passively monitored traffic of mobile networks. Technologies used: PySpark, Apache Kafka, Tableau. Worked on a data processing and reporting tool for benchmarking analysis of telecommunication measurements. Technologies used: Django, Celery, AngularJS, MariaDB, Tableau.



Nokia

• Finland
• Telecommunications
• 700 & Above Employee

• R&D Software Engineer

  • Jul 2013 - Mar 2016

  Member of the SGSN and Flexi NS development and maintenance team (Mobile Broadband, Packet Core). Member of a Performance Testing Simulator development team. Developing a Java distributed application for Simulator instances management, statistics collection and processing, report generation. Technologies used: Java, JavaFX, Maven, Hibernate, Git, Quartz Scheduler, JUnit, Mockito, PowerMockito, FlywayDb, SonarQube, MySQL. Worked with agile methodologies (Scrum) and test-driven development. Show less



The University of Edinburgh

• United Kingdom
• Research Services
• 700 & Above Employee

• Research Associate

  • Aug 2012 - May 2013

  Member of the Wireless and Mobile (WiMo) networking group of the School of Informatics, University of Edinburgh. Developed an Android-based Mobile Network Coverage and Performance Measurement System using Crowdsourcing for Distributed Active Measurements. Worked on the evaluation of Mobile Networks Coverage Quality in Scotland, using crowdsourcing measurement data, in collaboration with Red Review Ltd. Project funded by the Scottish Government. Developed software using Java and PHP. Maintained a Linux Server. Developed Scientific and Technical Report writing skills. Show less



National Technical University of Athens

• Greece
• Research
• 700 & Above Employee

• Telecommunications Engineer

  • 2010 - 2011

  Conducted Mobile Radio Networks QoS Benchmarking Measurements using SwissQual Diversity Benchmarker System Conducted Mobile Radio Networks QoS Analysis using SwissQual NetQual NQDI, MS Excel, MS SQL Server Planned and Coordinated Measurements Campaign Learned to work under pressure to meet deadlines, obtained problem-solving skills. Conducted Mobile Radio Networks QoS Benchmarking Measurements using SwissQual Diversity Benchmarker System Conducted Mobile Radio Networks QoS Analysis using SwissQual NetQual NQDI, MS Excel, MS SQL Server Planned and Coordinated Measurements Campaign Learned to work under pressure to meet deadlines, obtained problem-solving skills.