Oded Arbel
CTO, VP R&D at Cloudonix.io
Israel
Summary
👤
Senior🎓
Top SchoolOded Arbel is a seasoned software leader and CTO with 16+ years building scalable, distributed systems, real-time communications platforms, and developer tooling from Israel. He blends hands-on engineering and architecture work—designing micro- and macro-architectures, APIs and orchestration—for CPaaS and VoIP systems while managing R&D teams and open-source efforts. Practically fluent across platforms and languages, he focuses on high-capacity networking, security-aware services, and resilient cluster behavior. His open-source contributions include deepening test coverage and failure-handling in the prominent Vert.x reactive JVM toolkit and improving date/time fidelity in a high-performance spreadsheet library. Comfortable moving between low-level micro-architecture and product-facing APIs, he also has a track record of creating automation and orchestration tooling that accelerates developer velocity. Collected experience from startups, consulting and major engineering organizations gives him a pragmatic, integration-first approach to complex software problems.
15 years of coding experience
13 years of employment as a software developer
Computer Science, Computer Science at The Open University of Israel
English, Hebrew
Stackoverflow
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Github Skills (44)
cron10
datetime10
testing10
spreadsheet10
datetimes10
amazon-web-services10
java10
ubuntu10
javas10
php10
ods10
vertx10
concurrency10
mysql9
jvm9
Programming languages (23)
Github contributions (5)
openspout/openspout
Sep 2020 - Feb 2021
Read and write spreadsheet files (CSV, XLSX and ODS), in a fast and scalable way
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 commits in 5 months
Contributions summary:Oded primarily focused on enhancing the functionality of the ODS writer within the spreadsheet library. They implemented support for writing date cells, including handling both DateTime and DateInterval objects. The user also addressed issues related to timezone handling for date/time values, ensuring compatibility with various spreadsheet software and adhering to relevant specifications. Moreover, the user fixed issues reported by coding standards tools and fixed default date interval value.
xlsxcsvscalableodsphp
eclipse-vertx/vert.x
Feb 2017 - Feb 2017
Vert.x is a tool-kit for building reactive applications on the JVM
Role in this project:Back-end Developer / QA Engineer / Test Automation Engineer
Back-end Developer / QA Engineer / Test Automation EngineerContributions:6 commits, 7 PRs, 18 comments in 6 days
Contributions summary:Oded focused on adding and improving unit tests within the Vert.x project, targeting cluster failure scenarios. The contributions include adding new tests to verify how the system behaves when cluster joins fail and moving existing tests for better organization. The user also fixed an issue related to notifying the caller when a cluster manager fails to join and corrected a parameter in the worker executor. These changes involved modifications to core Vert.x implementation files, emphasizing testing and error handling in a clustered environment.
non-blockingconcurrencytool-kitevent-loophttp2
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