Panagiotis Parthenis
Software Engineer at Deutsche Telekom
Athens, Attica, Greece
Summary
👤
Senior🎓
Top SchoolPanagiotis Parthenis is a seasoned software engineer with 11 years of experience building backend systems and integrations across telecom, defense, and European public-sector projects. Currently at Deutsche Telekom and based in Athens, he has deep Java/Spring expertise, microservices, Kafka/RabbitMQ, CI/CD pipelines, and hands-on experience with Dockerized deployments and SonarQube quality gates. He has delivered healthcare systems using HL7, MPI/LIS workflows, and introduced tooling (BookStack + backup scripts) to improve team onboarding and knowledge continuity. An active contributor to the notable Apache ShardingSphere project, he has strengthened SQL parser test coverage and data-consistency checks, reflecting a pragmatic focus on test automation and reliable data flows. Collected across roles, his work blends system integration, performance tuning (Elasticsearch/Logstash), and pragmatic automation to turn complex requirements into maintainable production services.
11 years of coding experience
6 years of employment as a software developer
Bachelor of Science - BS, Computer Science, Bachelor of Science - BS, Computer Science at University of Cyprus
Stackoverflow
165reputation
14kreached
0answers
2questions
Github Skills (15)
javas10
databases10
data-pipeline10
data-pipelines10
distributed-database10
sql-database10
java10
testing10
mysql9
database9
sql9
big-data8
maven6
docker6
nexus6
Programming languages (4)
Github contributions (5)
apache/shardingsphere
Mar 2022 - May 2022
Empowering Data Intelligence with Distributed SQL for Sharding, Scalability, and Security Across All Databases.
Role in this project:
Backend Developer / Test Automation Engineer
Backend Developer / Test Automation EngineerContributions:5 reviews, 11 commits, 13 PRs in 2 months
Contributions summary:Panagiotis primarily contributed to the ShardingSphere project by adding and extending SQL parser test cases. Their work focused on the DistSQL module, specifically testing the parsing of `ResetScalingStatement`, `DropScalingStatement`, `StopScalingStatement`, `StartScalingStatement`, and `ShowScalingStatusStatement`. Additionally, they added unit tests for `CRC32MatchMySQLSingleTableDataCalculator`, `StandardPipelineDataSourceConfiguration` and `EncryptAssignmentTokenGenerator`, demonstrating a focus on data consistency, data source configuration, and encryption features.
dbmsrdbmsdatabase-systemmore-featuresbigdata
pparthenhs/shardingsphere
Mar 2022 - May 2022
Ecosystem to transform any database into a distributed database system, and enhance it with sharding, elastic scaling, encryption features & more
Contributions:53 pushes, 15 branches in 2 months
rdbmsdatabase-systemmore-featuresshardingenhance
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