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Олександр Коровніченко
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Олександр Коровніченко

@0009197

Senior Python Developer at Payabl who built and maintained payment-processing APIs and third-party integrations.

Ukraine
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At Payabl, I built and maintained RESTful APIs for payment processing, transaction management, and third-party integrations. I also worked with external payment providers on card issuing, transaction processing, and account management flows.

I worked with the team to maintain and enhance microservices, improving performance, reliability, and observability. I also helped debug production issues with QA and DevOps and contributed to architecture discussions.

At GoDaddy, I built an internal SDK and Slack-based tools to provision, monitor, and control OpenStack server infrastructure. I migrated a legacy Python 2.7 codebase to modern Python versions and improved reliability with retry mechanisms and failure handling.

At DevCom, I worked on order processing and data consistency across services, supported backend services in production, and wrote basic unit tests. Since 2019, I’ve contributed across development stages, including requirements work with product owners, automated releases, test coverage, and CI/CD pipelines.

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NK

National Aerospace University “Kharkiv Aviation Institute” (KhAI)

Bachelor’s Degree, Engineering and Programming of Infocommunication Systems

Bachelor’s Degree in Engineering and Programming of Infocommunication Systems.

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