Олег

Middle.NET Engineer
OLEG N.

SUMMARY

I am a highly experienced .NET Developer with over 3 years of expertise, primarily in the SaaS projects development,
including Fintech, healthcare and e-commerce experience. Plus, I also have significant experience in enterprise
software, including Warehouse and ERP projects. Skilled in C#, ASP.NET, SQL, and frontend frameworks like Angular
and React, I have built secure, high-performance applications that streamline financial processes, enhance UXs, and
ensure robust data security. Although fintech has been the primary focus of my career, I’ve also contributed to
projects in various industries, customizing solutions to address the unique challenges of each sector. Motivated by a
passion for continuous learning, I’m committed to creating software that not only drives business growth but also
improves user satisfaction.

Programming Languages: C#, JavaScript
EXPERTISE
Frameworks & Libraries: .NET Core/Framework, ASP.NET (Core, MVC, AJAX), Blazor,
Razor, Angular, React
Database Technologies: SQL Server, PostgreSQL, Entity Framework, EF Core, ADO.NET,
Dapper, LINQ
Cloud & DevOps: Microsoft Azure, Azure Functions, Azure AD, Azure DevOps, CI/CD
pipelines
API Development: Web API, RESTful API, GraphQL
Testing & Development Practices: Test-Driven Development (TDD), XUnit, NUnit,
Mocking frameworks
Content Management Systems: Umbraco
Version Control: Git, GitFlow
Authentication & Authorization: OAuth, JWT, IdentityServer

SOFT SKILLS Proactive Mindset Resourcefulness
Analytical Thinking Quick Learning
Conflict Resolution Attention to Workflow

LANGUAGES English - B2 Ukrainian - Native

EDUCATION NATIONAL UNIVERSITY LVIV POLYTECHNIC | 2020-2024

Bachelor of Applied Science, Computer science

NATIONAL UNIVERSITY LVIV POLYTECHNIC | 2024-present
Information systems and technologies
PROFESSIONAL .Net Developer | 2022-now
EXPERIENCE Inforce

Selected Project An inventory and order management system with role-based access control. It
overview enables efficient product movement between warehouses, tracking of stock levels,
and comprehensive reporting.

Responsibilities Implemented role-based access control for secure functionality access.
Developed inventory management features, including product movement and
stock tracking.
Created reporting tools for monitoring inventory levels across warehouses.
Integrated order management and automated invoice generation.
Optimized backend performance for high-volume data processing.
Collaborated with cross-functional teams to ensure feature alignment and smooth
deployment.
Ensured code quality through unit testing and debugging.

Tech Stack
Languages & Frameworks: C#, .NET Core, ASP.NET Core, Angular, JavaScript, Blazor
Database: SQL Server, Entity Framework Core, ADO.NET
Cloud & DevOps: Microsoft Azure, Azure Functions, Azure DevOps
Authentication & Security: Azure AD, OAuth

PROFESSIONAL .Net Developer | 2021-2022
EXPERIENCE S-Code

Selected Project A Fintech Payment Gateway Integration system designed to handle secure customer
overview payments through various payment providers such as Stripe and PayPal.

Responsibilities Developed core payment processing features, enabling users to make payments
via credit cards, debit cards, and digital wallets through Stripe and PayPal
integration.
Built and maintained RESTful APIs for processing payments, transaction history
retrieval, and payment status updates.
Implemented basic fraud detection checks, such as email verification and
transaction limits.
Ensured system compliance with PCI-DSS standards for secure payment data
handling.
Optimized the backend for better transaction processing performance and
reliability.

Tech Stack Languages & Frameworks: C#, .NET Core, ASP.NET Core
Database: SQL Server, Entity Framework Core
Cloud & DevOps: Microsoft Azure
API Development: RESTful API
Authentication & Security: OAuth, JWT, PCI-DSS Compliance
Testing: XUnit, NUnit