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Kirill Karpenka

@kirillkarpenka

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Senior .NET backend developer delivering scalable, secure healthcare and logistics solutions.

Poland

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What I'm looking for

I seek a technical role where I can lead backend architecture, improve performance and reliability, work on high-load medical or logistics systems, and mentor engineering teams in a collaborative, security-focused environment.

I am a Senior .NET backend developer with 5+ years building scalable, secure systems across medicine, security, and logistics. I combine strong .NET/C# expertise with Python and AI-driven approaches to solve complex technical challenges and optimize performance.

At ICON PLC I designed high-load medical platforms supporting 50,000+ daily users, implemented anonymization/tokenization systems, and reduced critical incidents to zero through real-time monitoring and process improvements. I led technical efforts, coordinated cybersecurity responses, and established onboarding and team collaboration practices.

I have full-stack experience delivering web and mobile solutions, improving execution speed by up to 75% and cutting hosting costs by 40%. I hold a BSc in Computer Mathematics and System Analysis and possess an EU Blue Card work permit.

Experience

Work history, roles, and key accomplishments

Current

Senior .NET Backend Developer

Current

ICON PLC

Jan 2024 - Present (1 year 8 months)

Designed and maintained high-load medical backend platforms serving 50,000+ daily users, implemented tokenization for patient data, and reduced critical incidents to zero through real-time monitoring and process improvements.

C++.NET AWS Kubernetes SQL Entity Framework MongoDB CI CD

.NET FullStack Developer

Advin Solutions

Nov 2021 - Aug 2023 (1 year 9 months)

Developed DMS and Cargo scanning systems, implemented device-climate control and telemetry interfaces, and delivered core features for baggage scanner apps within tight timelines.

C++.NET JavaScript React SQL Mobile Web CI CD

.NET FullStack Developer

AlfaSoft

Sep 2020 - Nov 2021 (1 year 2 months)

Built logistics ATMS features and released six production versions; contributed to Unity mobile games reaching millions of downloads by adding features and fixing bugs.