Serghei Shevchenko Email & Phone Number

Wrocław, PL

Wrocław, Dolnośląskie, Poland

Building a product in the Martech and Adtech sectors* Optimized Authorization Services, including code, database queries, and vendor libraries, which resulted in a performance improvement of 30%. Conducted PoC initiatives that achieved performance enhancements up to 10x* Reorganized FE & BE communication by implementing BFF, it simplified UI components and.

Kiev, Ukraine

Supporting a digital devices platform in the Semtech sector* Adopted best practices by applying Domain-Driven Design tactical principles that made application more predictable and simplified future enhancements* Composed documentation that simplified the onboarding process and entry threshold* Improved code quality by facilitating type hinting and test.

Kiev, Ukraine

Extending a health benefits platform in the Healthtech sector* Led the investigation & integration with the commercial central healthcare network utilizing HL7 standards* Created documentation to simplify the knowledge transfer

Kiev Region, Ukraine

Developing a tender and auction platform in the E-Govtech and E-Comtech sectors* Led the migration of a legacy monolithic system from Python 2 to 3, ensuring a smooth transition and compatibility. It improved memory consumption by 10% and boosted development due to upgrading libraries to the newest version* Refactored and optimized Billing service which.

Ukraine, Kiev

Enhancing an in-house QA platform in the Semtech and IoTtech sectors* Implemented, refactored, and improved test analysis tools, resulting in a 20% reduction in QA process time* Managed a legacy system for analyzing test results

Zhytomyr, Ukraine

Building an e-commerce website in the E-Comtech sector* Acted as full-stack and manual QA engineer by developing, testing, and delivering fully functional turnkey websites* Communicated with clients and composed technical tasks