Arcadiy Ivanov
Chief Technology Officer at Karellen, Inc.
Greater Orlando United States
Summary
🤩
Rockstar🎓
Top SchoolArcadiy Ivanov is a seasoned technology leader and hands-on CTO with over 25 years of software development experience and more than a decade in executive and architect roles, currently leading Karellen, Inc. He combines deep full-stack engineering expertise—spanning Java EE, Python, DevOps automation, and cloud-native platforms—with a track record of building reproducible CI/CD pipelines and performance-focused architectures. Arcadiy has driven platform modernization at enterprise scale (including WildFly, Postgres-XL, HAProxy and AWS automation) and enforces rigorous test and versioning practices that deliver high-fidelity, repeatable builds. An active open-source contributor, he has improved widely used projects such as lua-resty-openidc and fluent-logger-python by enhancing modularity, logging, and robustness. Based in Greater Orlando, he pairs pragmatic product leadership with low-level engineering craft and a history of turning legacy systems into scalable, testable platforms.
12 years of coding experience
15 years of employment as a software developer
Computer Science, Computer Science at UMass BostonPhysics-Mathematics Lyceum №30Computer Engineering, Computer Engineering at Northern Essex Community CollegeComputer Science, Computer Science at Boston University
English, Russian
Github Skills (13)
unit-testing10
lua10
logging10
openresty10
msgpack10
fluentd10
python10
oauth10
test-automation10
openid-connect10
testing9
json9
nginx8
Programming languages (20)
Github contributions (5)
fluent/fluent-logger-python
Dec 2017 - Mar 2021
A structured logger for Fluentd (Python)
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 release, 2 reviews, 46 commits in 3 years 3 months
Contributions summary:Arcadiy primarily contributed to the `fluent-logger-python` project by implementing and refining core functionality. They introduced optional JSON formatting for log messages and corrected timestamping issues within the `FluentHandler`. The user also added features like attribute exclusion sets for the formatter and improved connection handling, including early connection detection and cleanup. These changes indicate a focus on improving the library's flexibility, correctness, and robustness.
fluentdpythonfluentd-logger
pybuilder/pybuilder
Jun 2015 - Nov 2022
Software build automation tool for Python.
Role in this project:QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:20 releases, 8 reviews, 522 commits in 7 years 5 months
Contributions summary:Arcadiy's commits focus on enhancing the testing capabilities of the `pybuilder/pybuilder` project, a build automation tool for Python. The user implemented new test directories, added test cases, and updated the test suite to support custom test runners and CI/CD integration. They made modifications to the pycharm plugin for supporting unit, integration and test directories and refactored code to accommodate changes in Python.
build-automationpythonbuild-toolpybuilderautomation
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