В'ячеслав

Viacheslav Hrinievych Email: [відкрити контакти](див. вище в блоці «контактна інформація»)
Phone: [відкрити контакти](див. вище в блоці «контактна інформація»)
Middle .NET Software Engineer

Professional Summary
Result-oriented .NET Software Engineer with over 3 years of experience across the
full Software Development Life Cycle (SDLC). Strong expertise in building scalable
microservices, RESTful APIs, and enterprise web applications using .NET 6+, ASP.NET
Core, and Microsoft Azure.
Experienced in database design and optimization (SQL, Redis), performance tuning, and
implementing Clean Architecture based on SOLID principles. Proven ability to work in Agile
environments, conduct code reviews, and ensure high code quality through
comprehensive unit and integration testing.

Technical Skills
• Programming Languages: C#, SQL, TypeScript, JavaScript.

• Frameworks & Libraries: .NET Core, .NET 5/6/8, ASP.NET MVC, Entity
Framework (EF) Core, React, Angular, AngularJS, LINQ, AutoMapper, Fluent
Validation, Storybook.

• Cloud & DevOps: Microsoft Azure (App Service, Functions, SQL Database),
Docker, Azure DevOps, CI/CD Pipelines.

• Databases & Caching: MS SQL Server, Redis, MongoDB.

• Architecture & Patterns: Microservices, Clean Architecture, SOLID, OOP,
Dependency Injection (DI), REST, GraphQL.

• Testing: xUnit, Moq, Unit Testing, Integration Testing.

• Platforms: Sitecore XP/XM (Backend development & customization).

Professional Experience

EPAM Systems .NET Software Engineer
November 2021 – Present

Worked on multiple enterprise-level projects for international clients in
the entertainment and financial domains. Participated in system modernization initiatives,
including migration from monolithic architectures to microservices, development of high-
load applications, and integration with complex third-party services
Key Responsibilities & Achievements
Backend Development & Microservices

• Designed and developed scalable microservices using .NET 6 and ASP.NET Core for
high-traffic web and mobile applications.

• Migrated legacy monolithic systems to modern microservice architectures, enabling a
unified and reusable codebase across multiple regions.

• Implemented RESTful APIs and GraphQL endpoints for efficient data retrieval and
manipulation.

Database & Performance Optimization

• Designed and optimized relational database schemas in MS SQL Server to support
reporting and business logic.

• Implemented Redis caching strategies to reduce database load and improve
application response times.

• Developed complex SQL queries and leveraged Entity Framework Core for efficient
data access.

Frontend Development (React & Angular):

• Developed and extended UI components and features for enterprise web applications
using React and Angular.

• Integrated frontend applications with backend microservices, extending and mapping
data models for UI rendering.

• Managed component state to ensure dynamic and responsive user interfaces.

• Integrated and configured Storybook for the React project to build, document, and test
UI components in isolation.

Integration & Security

• Built custom API integrations with third-party services, including payment
gateways, voucher management systems, and content providers.
• Implemented HTTP clients with resiliency patterns (logging, retries) for reliable
communication with internal services and external SOAP/REST APIs.
• Configured dependency injection and structured logging (Serilog / NLog) to improve
system observability and debugging using Grafana.

Code Quality & DevOps
 • Authored and maintained unit tests using xUnit, ensuring high reliability and
maintainability.

• Conducted code reviews and mentored junior developers on clean code practices
and SOLID principles.

• Participated in setting up CI/CD pipelines in Azure DevOps and managed
containerization using Docker.

CMS & Platform Customization (Sitecore)

• Extended enterprise CMS functionality by developing custom .NET logic, pipelines,
and MVC controllers.

• Implemented backend logic for search indexing (Solr) and content
personalization features.

Education
Master’s Degree in Computer Engineering — 2025
National Technical University “Kharkiv Polytechnic Institute” (NTU “KhPI”)

Bachelor’s Degree in Software Engineering — 2023
Simon Kuznets Kharkiv National University of Economics

Certifications
Microsoft Certified: Azure Fundamentals (AZ-900) in 2025

Sitecore Certified: Sitecore 10 .NET Developer in 2023, Sitecore Content Hub Developer in
2024