Aris Tzoumas
Staff Software Engineer at RudderStack
Athens Metropolitan Area Greece
Summary
🤩
Rockstar🎓
Top SchoolAris Tzoumas is a Staff Software Engineer based in Athens with over 13 years of experience designing and delivering high-performance, production-grade data pipelines and analytics systems. At RudderStack he leverages deep Go expertise and a strong DevOps sensibility to maintain and evolve the open-source rudder-server, tackling real-world problems like graceful shutdowns, memory leaks from slow subscribers, and gzipped payload support. His background spans telecommunications, banking and European institutions, where he has led teams and shaped architecture for large-scale, secure services using PostgreSQL, BadgerDB, Apache Pulsar, Kubernetes and Grafana. A pragmatic engineer and open-source evangelist, he contributes across the stack—from UI fixes in CocosBuilder to backend reliability improvements—while favoring elegant, minimal solutions that add measurable value. He combines formal technical education with an MBA, giving him both systems-level rigor and stakeholder-savvy leadership.
13 years of coding experience
18 years of employment as a software developer
BSc/MSc, BSc/MSc at National Technical University of Athens
English, German, Greek
Stackoverflow
1reputation
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Github Skills (17)
objective-c10
postgresql10
uid10
go10
front-end-development10
cocos2d-x10
ios9
user-interface9
ui-design9
graphical-user-interface9
memory-management9
database-management9
concurrency8
gzip7
dockers7
Programming languages (10)
Github contributions (5)
rudderlabs/rudder-server
Mar 2022 - Jan 2023
Privacy and Security focused Segment-alternative, in Golang and React
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:2259 reviews, 145 commits, 837 PRs in 10 months
Contributions summary:Aris primarily focused on improving the stability and reliability of the rudder-server. Their contributions included implementing features to kill dangling database connections to ensure graceful shutdowns, and fixing bugs related to schema migrations. They also worked on addressing a memory leak issue caused by slow subscribers in the event bus, by implementing changes to ensure only the most recent configuration is sent. Furthermore, the user addressed and implemented code to support the usage of gzipped request payloads.
golangreactsecurityprivacywarehouse-management
cocos2d/CocosBuilder
Oct 2012 - Oct 2012
CocosBuilder, the visual editor for cocos2d
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:20 commits in 12 days
Contributions summary:Aris primarily contributed to the CocosBuilder project by adding support for audio files and show/hide functionalities for different panels in the editor. They enhanced the user interface by adding show/hide functionality for Resources, Inspector, and Timeline panels. Furthermore, the user refactored the code to fix memory leaks and address bugs in the existing functionality, and ensured proper display behavior during window resizing and resolution changes.
cocos2d-xvisual-editor
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