Valerii

VALERII DATSENKO
Middle .NET Developer

[відкрити контакти](див. вище в блоці «контактна інформація») | [відкрити контакти](див. вище в блоці «контактна інформація») | LinkedIn | Łódź, Poland

SUMMARY
Backend-focused .NET Developer with 4 years of commercial experience building and maintaining backend
services and APIs. Experienced in implementing business logic, integrating services through REST APIs and
RabbitMQ, working with SQL databases, writing unit tests, and supporting features through production. Able
to work independently on backend features while collaborating effectively with cross-functional
development teams.

KEY SKILLS
Backend Architecture & Design Messaging & Integration
C# OOP RabbitMQ
.NET 8 SOLID REST APIs
ASP.NET Core / Web API Design Patterns Tools / Practices
LINQ Clean Architecture Git
Entity Framework Core Client-Server Architecture Agile/Scrum
Dapper Microservices Postman
Databases Testing Swagger
SQL Server NUnit
T-SQL Moq
Database Design

WORK EXPERIENCE

.NET Developer, Plarium Nov 2021 - Nov 2025
Developed and maintained backend services for a distributed business application, including
REST APIs, business logic, data processing, and database-driven workflows.
Worked on microservices integrated with other parts of the product ecosystem through REST
APIs and asynchronous messaging using RabbitMQ.
Applied architectural and design principles when implementing backend features, structuring
business logic and integrations to keep the codebase maintainable and extensible.
Worked with SQL Server databases using Dapper, writing efficient SQL queries and optimizing
data access logic to improve application performance and maintainability.
Wrote and maintained unit tests for backend functionality using NUnit and Moq.
Integrated backend services with mobile games, supporting API-based communication and
backend functionality used by Android game clients and SDK components.
Participated in code reviews, task estimation, debugging, and production issue investigation.
Collaborated with frontend developers, QA engineers, and product managers to clarify
requirements and deliver features on time.

EDUCATION

Bachelor of Computer Science Sep 2018- Jun 2022
National University of Radioelectronics

LANGUAGES
English - Intermediate
Ukrainian - Native
Russian - Native