Yevhen

YEVHEN KAZANZHY
Middle .NET Developer
[відкрити контакти](див. вище в блоці «контактна інформація») t.me/ethereal_ny [відкрити контакти](див. вище в блоці «контактна інформація»)

SUMMARY
.NET Developer with nearly 3 years of experience building backend systems and REST APIs with C# and
ASP.NET Core. Worked on both modular monolith and microservices-based systems, focusing on SQL
optimization, asynchronous processing, and reliable backend architecture. Experienced with
RabbitMQ, Docker, CI/CD, and Azure-hosted environments.

SKILLS
- Backend: C#/.NET, ASP.NET Core, Entity Framework Core
- Databases: MS SQL Server, PostgreSQL, MySQL
- Messaging & APIs: RabbitMQ, gRPC, REST APIs
- Architecture & Patterns: Microservices, Modular Monolith, DDD, Clean Architecture, CQRS
- Cloud & DevOps: Azure, Docker, GitHub Actions
- Testing: xUnit, Moq, FluentAssertions
- Front-end: JavaScript, TypeScript, HTML/CSS, Angular

Languages: English(B2), Ukrainian(native), Russian(native)

EXPERIENCE
Middle Software Engineer
B2B FinTech Company (NDA)
Mar 2025 – Present | Odesa, Ukraine | Remote
Helped decompose a modular monolith into microservices by defining service boundaries and
communication patterns
Redesigned report generation flow using RabbitMQ background jobs to prevent timeouts when
processing large reports
Introduced gRPC communication between internal services to reduce latency in performance-
critical operations
Optimized large-data endpoints by introducing pagination, filtering, and SQL query tuning
Implemented idempotent message handling and retry mechanisms to improve reliability of
background processing
Collaborated with product managers and frontend developers to design API contracts and
implement new business functionality
Containerized backend services with Docker and integrated them into CI/CD pipelines

Junior Software Engineer
KeepSolid Inc
Sep 2023 – Feb 2025 | Odesa, Ukraine | Remote
Developed and maintained backend modules in a modular monolith built with ASP.NET Core
Designed and implemented REST APIs for HR workflows and internal management features used by
employees on a daily basis
Worked with MS SQL Server: optimized queries, added indexes, analyzed execution plans
Refactored legacy components while preserving production behavior
Introduced unit tests using xUnit and Moq to reduce regression risks
Contributed to code reviews and technical discussions to improve code quality and maintainability

EDUCATION
Bachelor’s Degree in Computer Science
State University of Intellectual Technologies and Communications 2018-2022