Andrii Shevchuk-Yuhanets
Senior .NET Full-Stack Engineer
Greenville, South Carolina, United States
Summary
Senior Full-Stack Developer with 8+ years of experience building scalable, high-performing web and
enterprise applications across C#, .NET Core, ASP.NET, React, and SQL/NoSQL databases. Contributed to
the architecture and development of AI-enabled platforms, including HoneyBrain AI, building APIs,
business logic, and dashboards for analyzing AI inspection results. Led projects that modernized legacy
platforms and delivered products used by hundreds of thousands of people, including a browser extension
with 300,000+ installs. Experienced with Azure cloud services, microservices architecture, REST API
design, and CI/CD pipelines, with a track record of taking full ownership of a product from idea to
deployment and long-term support. Leverages Claude Code and OpenAI Codex for AI-assisted development, debugging,
and refactoring, applying prompt engineering and token-efficient context management to improve the
quality of generated output.
Skills
Backend & .NET
C#
.NET 5
.NET 6
.NET 8
.NET 10
.NET Core
.NET Framework
ASP.NET
ASP.NET Core
Blazor
Web API
MediatR
FluentValidation
Serilog
WCF
WPF
CQRS
CRUD
Hangfire
SignalR
Frontend & Web
HTML
CSS
JavaScript
TypeScript
React
Angular
Vue
Vuetify
Bootstrap
jQuery
KnockoutJS
Responsive UI
Telerik
Highcharts
Webpack
Vite
esbuild
Progressive Web Applications (PWAs)
Cloud, DevOps & Architecture
Cloud
Azure
Azure Cosmos DB
Azure DevOps
Azure Functions
DevOps
CI/CD
Microservices
SaaS Development
Docker
Redis
Git
Bitbucket
TFS
TargetProcess
UML
Data & APIs
Microsoft SQL Server (MsSQL)
PostgreSQL
NoSQL
T-SQL
Entity Framework Core
NHibernate
JSON
REST APIs
Swagger
Twilio
Google API
Testing, Security & Quality
Checkmarx
Code Review
Component Testing
Integration Testing
Unit Testing
OWASP
SonarQube
NUnit
xUnit
Playwright
Mobile & Browser Extensions
Kotlin
Android
Android SDK
Jetpack Compose
Chrome API
Chrome / Edge / Opera Extensions
AI Tools
AI
Claude Code
Google Gemini
OpenAI Codex
GitHub Copilot
Prompt Engineering
Other
Node.js
Express
Home Assistant
YAML
nopCommerce
Experience
Co-Founder & CTO (Pre-seed / MVP Stage)
06/2026 – Current • Greenville, United States
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Projects:
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SaaS Platform
Led end-to-end development of an early-stage SaaS platform from idea to working MVP.
Responsible for architecture, full-stack implementation, and cloud deployment using .NET,
React, Azure, Docker, and PostgreSQL. Focused on rapid prototyping and product validation in
a pre-launch environment.
Built scalable backend APIs in .NET and responsive, reusable front-end components using React.
Used Claude Code and OpenAI Codex for AI-assisted coding, debugging, refactoring, documentation, and test generation.
Applied prompt engineering techniques to improve the quality, accuracy, and maintainability of AI-generated code.
Optimized token usage by providing focused prompts, relevant context, and clear technical requirements.
Skills:
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C#, .NET 10, ASP.NET Core, Azure DevOps, Microsoft Azure, PostgreSQL,
Entity Framework Core, MediatR, CQRS, FluentValidation, Serilog,
React, JavaScript, TypeScript, Git, Docker, HTML, CSS, Responsive UI, SaaS Development,
Swagger, Hangfire, Prompt Engineering, AI, Claude Code, OpenAI Codex, GitHub Copilot
Software Developer | Independent Creator
12/2015 – Current • Greenville, United States
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Projects:
-
Chrome Extensions
Built and published multiple Chrome Extensions, achieving 300,000+ installs combined.
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Menu For Google Services
Browser extension providing quick-access navigation between Google services.
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Insta Save
Browser extension for saving photos and videos from Instagram.
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Threads Enhancer
Browser extension that adds enhancements and quality-of-life features to Threads.
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Home Assistant Download Manager Addon
Built a powerful, lightweight Download Manager for Home Assistant on top of Node.js and
Playwright,
enabling users to search, track, and download media content directly to Home Assistant
storage.
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Home Assistant HomeReader TTS Addon
Text-to-speech addon for Home Assistant.
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KidoVid - Offline Video Player
Built and published a lightweight, safe, and easy-to-use Android video player designed specifically for
children.
Skills:
-
JavaScript, TypeScript, Node.js, Playwright, Chrome API, Chrome Extensions, Edge Extensions,
Opera Extensions,
Browser Extensions, esbuild, Git, Docker, HTML, CSS, Responsive UI, Google API, Webpack,
Kotlin,
Android, Home Assistant, Vue, Vuetify, Express,
Prompt Engineering, AI, Google Gemini, ChatGPT, Claude Code, OpenAI Codex
Kopis, LLC (Aug 2024 acquired Orange Bees, LLC)
11/2023 – 03/2025 • Greenville, United States
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HoneyBrain AI
Role: Senior .NET Full-Stack Engineer
Projects:
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HoneyBrain AI
AI-empowered quality control platform for manufacturers that leverages machine learning to
enhance production processes.
Responsibilities:
-
Built and enhanced full-stack application features using .NET and Blazor, including APIs, business logic, and user-facing components.
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Diagnosed and fixed defects across the application to maintain reliability of inspection workflows.
Achievements:
-
Designed and implemented a new responsive dashboard that enabled users to clearly
review and analyze AI inspection results.
Skills:
-
C#, .NET 8, Blazor, Bootstrap, Telerik, NoSQL, REST, Swagger, Responsive UI, Azure, DevOps,
Unit
Testing, Integration Testing, Cloud, Entity Framework, Redis, CQRS, MediatR
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Role: Senior .NET Full-Stack Engineer
Projects:
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Billing Notification
Solution that sends billing notifications to customers via email and SMS.
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.NET Applications Upgrade
Upgrading legacy C# applications to the latest .NET versions to enhance performance,
security,
and maintainability.
Achievements:
-
Successfully designed and implemented a new billing notification application
serving 50,000+ customers with timely and reliable billing updates via email and SMS.
-
Successfully upgraded 7+ C# applications to a more recent version of .NET,
improving performance, security, and maintainability. The migration process involved
refactoring legacy code, ensuring compatibility with the latest framework features.
Skills:
-
C#, .NET Framework, .NET Core, .NET 6, Hangfire, WPF, WCF, Twilio, REST, MsSQL,
Swagger, ASP.NET, jQuery, UML, Bitbucket, T-SQL, Unit Testing, Entity Framework
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ElderKey
Role: Senior .NET Full-Stack Engineer
Projects:
-
ElderKey
Solution that automates and coordinates text messages between the elder, caregivers, family
members, and friends.
Achievements:
-
Successfully implemented an SMS-based communication mechanism to facilitate
seamless interactions between caregivers and the elderly, enhancing real-time
support and coordination.
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Developed and integrated a scheduled messaging system, enabling automated
reminders and continuous SMS conversations to ensure timely engagement and
assistance for elderly individuals.
Skills:
-
C#, .NET Framework, .NET Core, Hangfire, React, Web API, REST, Twilio, MsSQL,
Bootstrap, Swagger, ASP.NET, UML, T-SQL, Responsive UI, Unit Testing, TypeScript,
Entity Framework, SignalR, CQRS, MediatR
SoftServe
03/2016 – 12/2022 • Rivne, Ukraine / Krakow, Poland
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Motorola Solutions
Role: Technical Team Lead / Senior .NET Full-Stack Engineer
Projects:
-
CommandCentral Records
An advanced, cloud-based records management system (RMS) that integrates data from
computer-aided dispatch (CAD) and
digital
evidence.
It helps agencies consolidate incident data, improve reporting accuracy, and automate
compliance
checks before report submission.
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CommandCentral Evidence
A digital evidence management system that aggregates and organizes multimedia evidence (like
video and audio from body-worn cameras and in-car systems) into secure case files.
Responsibilities:
- Led technical decision-making, solution design, and implementation as team lead.
- Planned and assigned work across the team, and drove analysis and estimation for upcoming features.
- Reviewed code, wrote unit and integration tests, and refactored existing modules to maintain code quality.
- Negotiated and mediated between team members and stakeholders, and maintained technical documentation.
Achievements:
-
Led a team of 6 through the design and delivery of a new feature for reduction of
video and audio records, from planning through successful release.
-
Configured SonarQube for 20+ environments, ensuring accurate issue detection and
consistent code-quality feedback across all stages of the project.
Skills:
-
C#, .NET 5, .NET Core, Microsoft Azure, Microservices, DevOps, Code Review,
Azure Cosmos DB, .NET Framework, Azure DevOps, ASP.NET Core, Git,
Web API, ASP.NET, SonarQube, JSON, UML, REST, Swagger, Responsive UI, Unit Testing,
Integration
Testing, Component Testing, Cloud, Angular, Entity Framework, SignalR, Redis, CQRS
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GAF Roofing: North America’s Leading Roofing Manufacturer
Role: Technical Team Lead / .NET Full-Stack Engineer
Projects:
-
Enterprise Payment Platform
Payment platform for customers with various payment methods including credit cards, ACH,
and reward
points, plus an API for subscriber applications.
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Report Web Platform
Web platform for contractors and homeowners to order a roof report and API for vendors to
provide roof reports with a fully interactive 3D wireframe and model of the home,
multifamily
building, or commercial building and complete materials list based on measurement for their
customers.
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Checkmarx Remediation
Improvement of overall security for existing 26 production applications and microservices
with
3,600+ high and medium severity issues identified by the Checkmarx security tool.
Responsibilities:
- Led technical decision-making, solution design, and implementation as team lead, including planning and work assignment across a team of 6.
- Drove analysis and estimation for large-scale solutions, and negotiated and mediated between team members and stakeholders.
- Remediated vulnerabilities identified by Checkmarx, and reviewed code, refactored, and wrote unit and integration tests to maintain quality.
- Coached and mentored other engineers on the team.
Achievements:
-
Estimated large-scale solutions from scratch, combining historical data, expert
judgment, and parametric models to accurately predict the resources required for
each project.
-
Implemented new functionality that reduced third-party service costs by $10,000+
per year, including license fees, maintenance, and customization.
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Remediated 3,600+ of the high and medium severity vulnerabilities
identified by Checkmarx across 26 production applications and microservices,
contributing to a successful outcome in the company's next audit round.
Skills:
-
C#, .NET Core, Microsoft Azure, Azure Function, JavaScript, Microservices, OWASP, ASP.NET
Core,
Git, Web API, SonarQube, Checkmarx, JSON, MsSQL, T-SQL, jQuery, Code Review, REST, Swagger,
Unit
Testing, Cloud, TypeScript, Entity Framework, SignalR
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Role: .NET Full-Stack Engineer
Projects:
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Supply management platform
A user-friendly and easy-to-manage hiring management system serving as a single
point of contact for managers, suppliers, workers and consultants.
It implements complex business logic, role-based distribution of permissions and
responsibilities, and capture of all transaction activity.
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Adult social care system
Managed service solution that simplifies many complexities of the adult social care system -
creating a better experience for individuals receiving it, greater control for councils
delivering it and connecting everyone involved in providing it.
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Progressive web application for Supply management platform
Progressive web application within the existing web product that
simplifies the process of reviewing and approving timesheets by managers, with responsive UI
and
good performance on mobile devices.
Responsibilities:
- Designed and implemented solutions, and refined requirements with stakeholders during planning.
- Analyzed and estimated upcoming work, and planned assignments across the team.
- Reviewed code, refactored existing modules, and fixed defects to maintain application quality.
Achievements:
-
Integrated, configured, and maintained SonarQube, ensuring accurate code-quality
analysis and actionable feedback across the project's codebase.
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Designed and implemented a PWA solution using Webpack, KnockoutJS, and
Bootstrap that met the needs of both the business and end users.
Skills:
-
C#, .NET Framework, JavaScript, Progressive Web Applications (PWAs), KnockoutJS, Bootstrap,
MsSQL, T-SQL, Web API, ASP.NET, jQuery, SonarQube, TargetProcess, JSON, TFS, Code Review,
DevOps, UML, REST, Responsive UI, Unit Testing, Chrome API, nopCommerce, Highcharts,
Entity Framework, NHibernate, SignalR
STEP IT Academy — Lecturer of Software Development
05/2015 – 05/2016 • Rivne, Ukraine
Achievements:
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Taught C and C++ programming courses and mentored students through hands-on software development
fundamentals.
Skills:
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C, C++, Mentoring, Teaching
Education
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STEP IT Academy – Computer Software Engineering (2013–2016)
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Rivne State Humanitarian University – Foreign Languages and Literatures (2007–2013)
Certifications
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Microsoft Exam 70-483 – Programming in C#
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Microsoft Certified Professional