I'm a detail-oriented programmer with over 10 years of experience developing, testing, and maintaining Web and Windows applications and services. I have designed enterprise software used by globally recognized pharmaceutical companies, enhancing the collection and storage of customer data to support dynamic reporting and accurate forecasting. I'm passionate about writing clean, scalable code and improving QA and development processes through automation and CI/CD.

Sergei Berezov

I'm a detail-oriented programmer with over 10 years of experience developing, testing, and maintaining Web and Windows applications and services. I have designed enterprise software used by globally recognized pharmaceutical companies, enhancing the collection and storage of customer data to support dynamic reporting and accurate forecasting. I'm passionate about writing clean, scalable code and improving QA and development processes through automation and CI/CD.

Available to hire

I’m a detail-oriented programmer with over 10 years of experience developing, testing, and maintaining Web and Windows applications and services. I have designed enterprise software used by globally recognized pharmaceutical companies, enhancing the collection and storage of customer data to support dynamic reporting and accurate forecasting.

I’m passionate about writing clean, scalable code and improving QA and development processes through automation and CI/CD.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
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Language

English
Fluent

Work Experience

Senior Software Developer at Scarsin Corporation
September 1, 2013 - July 31, 2025
Engineered backend logic and custom WPF UI components for a large-scale enterprise desktop application, enhancing performance and maintainability. Extended proprietary entity framework and refactored existing code to eliminate duplicates with a generic approach. Maintained and updated Windows (WCF) and Web services. Built and optimized complex SQL queries, CLR and stored procedures. Created and updated CI/CD Azure DevOps pipelines. Built advanced Excel COM Add-ins using .NET and Open XML SDK to automate reporting workflows, reducing manual effort by 50%. Participated in feature specification reviews and system design. Developed internal tools to assist QA and development teams. Recent projects include replacing outdated middleware (REST) with RESTful API using Azure.Core, migrating VBA code to Excel Addin, and building Azure DevOps pipelines for production database management.

Education

Associate Degree at Penn Foster College
January 1, 2003 - December 31, 2006

Qualifications

DBT Basics
January 1, 2025 - December 31, 2025
Software Testing/QA
January 1, 2007 - December 31, 2007

Industry Experience

Life Sciences, Healthcare, Software & Internet, Professional Services, Media & Entertainment