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Work experience

Senior Developer (C# .NET / WPF & Backend)

from 04.2024 to now (1 year 9 months)
Freelancer, Дистанційно (IT)

12+ years in software development | Expert in desktop (WPF) and backend microservices
t.me/Boris_wpf

Notable Projects

Puninwine E-Commerce Platform

Backend services for inventory management and order processing

Loyalty program implementation

Delivery cost calculation system


RISA-3D, RISA-Foundation Engineering Software

Structural analysis application used by civil engineers worldwide

Advanced 3D visualization and reporting tools


Family Tree Maker

Genealogy software with photo restoration features

Interactive family tree visualization


Medical Imaging Suite

DICOM-compatible medical image viewer

Measurement and analysis tools

Backend developer

from 03.2023 to 06.2025 (2 years 4 months)
Puninwine E-Commerce Platform, Дистанційно (Роздрібна торгівля)

Feature Development & Business Logic:

Spearheaded the end-to-end development of a new Loyalty & Bonus System and Promotional Engine, directly contributing to increased customer retention and average order value.

Designed and implemented a Banquet Calculator service to cater to a new B2B customer segment.

Developed core backend services for shopping cart, order processing, and user authentication using .NET 7/9 and Microservices architecture.


System Integration & Automation:

Engineered a seamless two-way integration with 1C for automated synchronization of product catalogs, inventory, and orders, eliminating manual data entry.

Integrated multiple third-party services including delivery cost calculation APIs, the Customer.io CRM for targeted communications, and Google Analytics for user behavior tracking and analytics.

Implemented Azure Blob Storage integration for efficient management of product images and assets.


Performance & Architecture:

Improved application performance by analyzing and optimizing complex SQL queries and database schemas (MS SQL Server), applying indexing strategies, and efficient usage of Entity Framework.

Architected a reliable, asynchronous communication layer between microservices using RabbitMQ, decoupling services and enhancing scalability.

Utilized Azure App Services and Docker for containerized deployment and management of services.


Code Quality & Infrastructure:

Applied modern software design patterns (CQRS, Mediator, Repository) and FluentValidation to create a clean, maintainable, and testable codebase.

Established a comprehensive automated API testing suite with Postman to ensure reliability across services.

Implemented structured logging with Seq for effective monitoring and debugging in a distributed environment.


Used technologies:

Cloud platforms: Azure (App Services, Blob Storage)
Containerization: Docker
Messaging systems: RabbitMQ
SignalR
Structured logging: Seq (Datalust.co)
Databases: MS SQL (query optimization, schema migrations), Entity Framework
Design patterns: Mediator, CQRS, Repository
Validation: FluentValidation

Senior WPF Developer

from 04.2019 to 02.2023 (3 years 11 months)
RISA Tech, Дистанційно (IT)

UI development for engineering analysis software

Created 15+ customizable XAML controls with dynamic theming support

Implemented reporting module with Excel/PDF export functionality

Integrated C++/OpenGL visualization engine with WPF interface

Optimized rendering performance

Telerik UI customization (NoXaml binaries)

Senior Developer WPF, Controls Developer, XAML Expert

from 04.2012 to 10.2018 (6 years 7 months)
CMK Software Development Company, Київ (IT)

Developed and maintained over 10 commercial WPF applications (.NET 4.5+) for renowned software products such as Family Tree Maker, KidPix, Mavis Beacon etc.

Engineered a rich, custom user experience by creating custom controls, data visualization components, and applying unique theming and UI/UX design.

Enhanced application capabilities by integrating multimedia features for working with audio and video, ensuring smooth playback and performance.

Applied asynchronous programming techniques and the MVVM architecture to build scalable, responsive, and robust desktop solutions.

Ensured seamless data exchange by connecting WPF clients to backend services via WCF and REST API.

Expanded expertise into the modern Windows development stack by implementing a UWP application (SureSupply).

Education

State Engineering Academy

System programming of automated systems, specialist, Zaporozhye
Higher, from 2003 to 2008 (5 years)

Additional education and certificates

Microsoft SWIT

2013

Knowledge and skills

• C#
• Знання принципів ООП
• Git
• GitHub
• Docker
• Entity Framework
• Неконфліктність
• SQL
• REST API
• .NET Framework
• MS SQL Server

Language proficiencies

English — average

Additional information

Telegram:
t.me/Boris_wpf