Олег

OLEG ZUBATENKO
Senior Backend .NET Developer
48 years old | Kyiv, Ukraine | Remote
Tel: [відкрити контакти](див. вище в блоці «контактна інформація») | Email: [відкрити контакти](див. вище в блоці «контактна інформація») | LinkedIn: [відкрити контакти](див. вище в блоці «контактна інформація»)

SUMMARY
.NET Developer with extensive experience in backend development, microservices, Azure, high-load systems, and third-party integrations.
Specialization in C#, .NET 8, REST API, Azure services, Microsoft SQL Server, EF Core, RabbitMQ (MassTransit), and SignalR. Key strengths
include architectural thinking, performance optimization, and building fault-tolerant solutions.

TECH SKILLS
Backend: C#, .NET 6-8, ASP.NET Core, REST API, Entity Framework Core, ADO.NET, Microservices, SOLID, Clean Architecture.
Cloud (Azure): Azure Service Bus, Azure Blob Storage, Azure Functions, App Service, Key Vault, Logic Apps, Application Insights.
Databases: Microsoft SQL Server (T-SQL), MySQL, MongoDB, Redis.
Messaging: RabbitMQ (MassTransit), Azure Service Bus, SignalR.

WORK EXPERIENCE
INDEPENDENT SOFTWARE DEVELOPER / PRODUCT FOUNDER
January 2026 - Present
• Developing personal SaaS products using .NET, ASP.NET Core, React, PostgreSQL, Redis, and Azure services.
• Designing backend architecture, APIs, AI integrations, asynchronous processing, authentication, billing, monitoring, and deployment infrastructure.
• Building QCRM, a CRM platform for beauty businesses, and QAgent, an AI-powered multi-agent platform.
IPLAND | Senior Backend .NET Developer
November 2017 - December 2025
• Platform Modernization: Developed and optimized services using ASP.NET Core 8, EF Core, and a microservices architecture.
• High-Load Processing: Processed large volumes of files and implemented horizontal scaling for computer vision services based on Azure AI
Services, Azure Machine Learning, and Azure Document Intelligence (OCR).
• Infrastructure: Used Azure Service Bus and Azure Blob Storage for reliable asynchronous processing. Implemented monitoring and diagnostics
using Azure Application Insights.
• Document Management: Developed high-load tax document workflow systems using MassTransit, RabbitMQ, and MongoDB.
• Real-Time Functionality: Integrated SignalR to provide real-time updates in the user interface.
E-PROCUREMENT TRADING PLATFORM (PROZORRO) | Team Lead / .NET Developer
September 2014 - November 2017
• Developed an accredited electronic trading platform integrated with the ProZorro public procurement API.
• Coordinated the development team and focused on system performance optimization.
• Technologies: ASP.NET MVC, SignalR, Microsoft SQL Server, and Entity Framework.
VNIPITRANSGAZ | Deputy Head of IT Department
May 2003 - September 2014
• Designed and developed a document management system based on SOA, WCF, and Windows Forms.
• Developed CAD add-ons for AutoCAD and CADWorx.
• Managed the development of a CRM system using PHP and CodeIgniter.
ARMED FORCES OF UKRAINE | Software Developer
June 2000 - April 2003
• Developed specialized software for air defence operations using Delphi (Object Pascal) and Microsoft SQL Server.
EDUCATION & CERTIFICATIONS
Specialist Degree: Computer Systems and Networks, Kyiv Military Institute of Control and Communication (1995-2000).
Bachelor's Degree: Enterprise Economics, Staropolska Higher School in Kielce, Poland (2016-2019).
Microsoft Certification: Exam 70-483: Programming in C# (2018).

LANGUAGES & INTERESTS
English: Intermediate (B1+). Interests: Football, traveling.