Ілля

Illia Storozhuk
Senior .NET Developer

Kyiv, Ukraine [відкрити контакти](див. вище в блоці «контактна інформація») [відкрити контакти](див. вище в блоці «контактна інформація»)

PROFESSIONAL SUMMARY

Senior .NET Developer with 10+ years of experience designing and developing enterprise software, distributed systems,
identity management platforms and modern SaaS applications.

Strong background in translating business requirements into scalable and maintainable technical solutions through
domain-driven design, API development, and enterprise integrations. Experienced across the full software development
lifecycle, from architecture and backend development to production support, customer communication, with a focus on
keeping solutions simple, scalable, and maintainable.

CORE COMPETENCIES

Enterprise Software Development • Business & Requirements Analysis • Domain Modeling • Solution Design •
Distributed Systems • REST API Design • Enterprise System Integration • Legacy Modernization • Database Design
& Data Modeling • Performance Optimization • Technical Leadership • Customer Communication

TECHNICAL SKILLS

Languages C#
Backend .NET Core • .NET Framework • ASP.NET Core Web API • ASP.NET Core • ASP.NET MVC • WCF
Data Access Entity Framework Core • Entity Framework • ADO.NET
Architecture RESTful APIs • Domain-Driven Design (DDD) • CQRS • Microservices • Distributed Systems •
Multi-Tenant Architecture
Messaging Azure Service Bus • SignalR • Akka.NET
Databases MS SQL Server • Oracle Database • PostgreSQL
Desktop WPF • WinForms • MVVM • Prism • DevExpress
Cloud Microsoft Azure • Azure Blob Storage
Testing xUnit • NUnit • Moq • NSubstitute
Infrastructure Docker • CI/CD • Git
AI GitHub Copilot • ChatGPT

ENGINEERING EXPERTISE

Enterprise SaaS • Identity Management • Electronic Document Management • Trading Platforms • Professional
Services Automation (PSA) • IT Service Management (ITSM) • Government Systems

EDUCATION LANGUAGES

National Technical University of Ukraine Ukrainian Native
Igor Sikorsky Kyiv Polytechnic Institute
English Upper-Intermediate
Bachelor of Computer Science 2010–2011
Institute for Applied System Analysis

Specialist Degree in Heat Power Engineering 2008–2010
Faculty of Heat Power Engineering

Bachelor of Heat Power Engineering 2004–2008
Faculty of Heat Power Engineering

PROFESSIONAL EXPERIENCE

CustomerTimes Jul 2016 – May 2026

Senior .NET Developer

Startly
Enterprise multi-tenant SaaS platform for Professional Services Automation (PSA) and IT Service Management (ITSM). Cloud-
based platform for project management, resource planning, ticketing, asset management, timesheets, expenses, workflow
automation and reporting for consulting and outsourcing companies.

• Designed and implemented business-critical backend services across multiple business domains.

• Participated in solution architecture and domain modeling using Domain-Driven Design (DDD).

• Developed REST APIs, microservices and enterprise integrations.

• Designed asynchronous messaging using Azure Service Bus and implemented real-time communication with SignalR.

• Delivered functionality for project management, resource planning, asset management, ticketing, timesheets,
expenses and reporting modules.

• Optimized application performance and database interactions.

• Collaborated closely with Product Owners, Architects, QA engineers and frontend developers throughout the
development lifecycle.

C# • ASP.NET Core Web API • Entity Framework Core • MS SQL Server • Azure • Azure Service Bus • SignalR • Docker • DDD • CQRS •
Microservices

Distributed Trading Platform
Enterprise distributed online auction platform supporting multiple auction types, distributed processing and complex business
workflows.

• Proposed and introduced an actor-based architecture using Akka.NET.

• Designed the core domain model for distributed auction processing.

• Developed backend services supporting real-time auction sessions.

• Implemented complex auction business rules including anti-sniper logic and split-lot processing.

• Participated in architecture discussions and technical solution design.

.NET Core • ASP.NET Core • Akka.NET • SignalR • Docker • Linux • MS SQL Server

Electronic Document Workflow
Enterprise document management platform for electronic document registration, contract approval and workflow automation.

• Became the primary technical expert for the business domain.

• Developed and enhanced WPF application using MVVM and Prism.

• Designed and implemented WCF integrations.

• Contributed to reporting, CI/CD and customer communication.

• Supported long-term evolution of the platform.

WPF • Prism • MVVM • WCF • Entity Framework • MS SQL Server

EPASS
Identity management and biometric platform for passport processing and biometric device integration.

• Developed enterprise desktop applications.

• Integrated biometric devices and passport readers.

• Developed WCF services.

• Worked with Oracle and MS SQL Server databases.

• Participated in customer communication and production support.

WinForms • WCF • Oracle • MS SQL Server • DevExpress

Glorium Technologies Apr 2016 – Jun 2016

.NET Developer

Medical Equipment Management Platform
Enterprise healthcare platform for medical equipment reservation, logistics, delivery tracking and patient information
management.

• Developed backend services using ASP.NET Web API.

• Implemented business logic for equipment reservation and tracking.

• Worked with MS SQL Server database.

• Contributed to patient-related functionality.

C# • ASP.NET Web API • MS SQL Server

Samsung R&D Ukraine Feb 2014 – Feb 2016

Software Engineer

Second Screen
Windows desktop application enabling users to stream Samsung Smart TV content to Windows tablets and PCs.

• Developed and maintained WPF desktop application.

• Integrated Samsung Smart TV communication libraries.

• Implemented new features and resolved application issues.

C# • WPF

Multiroom Audio
Desktop application for Samsung smart speakers and multimedia ecosystem with automatic device discovery and communication
between Smart TVs and speakers.

• Developed desktop application using WPF and MVVM.

• Implemented automatic device discovery and communication between Smart TVs and speakers.

• Contributed to multimedia ecosystem integration and feature development.

C# • WPF • MVVM • UPnP • DLNA • Bluetooth • Wi-Fi Discovery

Resource Management System
Internal enterprise application for engineering resource planning, organizational structure management, and historical workforce
visualization.

• Designed the database model and backend architecture.

• Gathered requirements directly from business users and managers.

• Designed user interfaces in collaboration with stakeholders.

• Developed backend and frontend functionality.

• Participated in technical interviews and candidate evaluation.

C# • ASP.NET MVC • Entity Framework • MS SQL Server • Bootstrap • jQuery

Intellect-Service Oct 2012 – Feb 2014

Software Engineer

M.E.Doc Online
Web version of the M.E.Doc desktop application for electronic reporting and document exchange.

• Participated in migration of desktop functionality to a web platform.

• Developed business forms and enterprise modules based on existing desktop functionality.

• Worked with shared business libraries and enterprise components.

• Contributed to the evolution of the electronic reporting platform.

ASP.NET • JavaScript • ExtJS • HTML • CSS

FOP Declaration Portal
Web application for electronic tax declaration submission for individual entrepreneurs.

• Developed frontend and backend functionality.

• Implemented declaration generation and validation.

• Integrated the application with the existing tax reporting infrastructure.

ASP.NET • JavaScript • HTML • CSS

Electronic Signature Client
Desktop application providing electronic signature functionality for tax reporting and secure document signing.

• Developed desktop functionality for electronic signatures.

• Participated in secure document signing workflows.

• Integrated with the existing government reporting infrastructure.

C# • .NET Framework • XML/XSD