Stefanos Valoumas
Senior Software Engineer at Persistent Security Industries
Athens, Attica, Greece
Summary
🤩
Rockstar🎓
Top SchoolStefanos Valoumas is a Senior Software Engineer based in Athens with 8 years of experience building scalable backend systems and data pipelines across Go, Python and Django ecosystems. A former civil engineer who transitioned into software, he brings strong organizational discipline and practical problem-solving from large infrastructure projects to cloud-native architectures and event-driven systems. He has designed production-grade microservices, CI-tested notification integrations (notably contributing an FCM service to the popular nikoksr/notify Go library), and implemented data ingestion and AI-assisted automation at companies like Orfium and Transifex. Known for mentoring teams and delivering under tight deadlines, Stefanos combines hands-on coding with pragmatic design decisions that emphasize reliability and observability.
8 years of coding experience
10 years of employment as a software developer
Master of Engineering (MEng) Civil Engineering, Master of Engineering (MEng) Civil Engineering at Aristotle University of Thessaloniki (AUTH)
Greek, English, German, French
Stackoverflow
26reputation
413reached
2answers
0questions
Github Skills (28)
messaging10
testing10
go10
notification10
golang10
cm10
context-api9
sorting6
dictionary6
webscraping6
python6
e-mail4
discord4
discord-js4
send-email4
Programming languages (2)
Github contributions (5)
nikoksr/notify
May 2022 - Nov 2022
A dead simple Go library for sending notifications to various messaging services.
Role in this project:
Backend Developer
Backend DeveloperContributions:24 reviews, 22 commits, 14 PRs in 6 months
Contributions summary:Stefanos implemented a new service for Firebase Cloud Messaging (FCM) notifications. This involved adding the `fcm` service package and associated test files. The changes included functionality to add receivers, send messages, handle message data and retry attempts. The user also updated the documentation to demonstrate the use of the FCM service.
whatsappdiscordbotsending-notificationswechat
svaloumas/gowc
May 2022 - Aug 2022
Contributions:35 commits, 7 pushes in 3 months
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