Ioannis Theodossis
Lead Software Engineer - Python Devops at JPMorganChase
Athens, Attica, Greece
Summary
👤
Senior🎓
Top SchoolIoannis Theodossis is a Lead Software Engineer with 12 years of experience specializing in DevOps, release engineering, and database development, especially Oracle. Currently leading Python and DevOps efforts at JPMorgan Chase after driving release automation and cross-system integrations at OpenBet that reduced downtime by 35%. He combines a hands-on engineering approach with deep experience in deployment pipelines (BitBucket, Jenkins, Artifactory) and legacy-to-modern system transitions. Based in Athens, Ioannis brings a pragmatic "train yourself and do it" ethos rooted in early IBM mentorship and a broad background spanning ERP, web hosting, and custom tooling. He also has unusual depth in music theory and composition alongside an MSc in Informatics, reflecting a blend of technical rigor and creative problem-solving.
12 years of coding experience
21 years of employment as a software developer
MSc, Informatics, Ptychio of Harmony, Music Theory and Composition, 10/10, Ptychio, Political Science, International Studies, Piano - intermediate class, Music Performance, General, MSc, Informatics, Ptychio of Harmony, Music Theory and Composition, 10/10, Ptychio, Political Science, International Studies, Piano - intermediate class, Music Performance, General at Panepistimion Pireos
Athenaeum Conservatory
Athenaeum Conservatory
Greek, English, Spanish, French, Italian
Github Skills (11)
music10
sql-db10
photo-management9
cli9
musicbrainz9
python8
graphdb7
dockerhub6
docker-container5
player3
docker-image2
Programming languages (4)
Github contributions (5)
lycofron/pysql2neo4j
Dec 2013 - Jan 2016
Migrate an SQL db to Νeo4j graph db
Contributions:1 release, 45 commits, 1 PR in 2 years 1 month
graphdbsql-db
lycofron/Lychee
Oct 2017 - Feb 2018
A great looking and easy-to-use photo-management-system you can run on your server, to manage and share photos.
Contributions:2 PRs, 10 pushes, 2 branches in 4 months
management-systemphoto-managementgreatsharephoto
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