Виталий

VITALIY HRYBINYK

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Location: Ukraine
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Professional Summary

Highly skilled Full-Stack Software Engineer with 7+ years of experience delivering
innovative solutions across diverse industries, including IoT, eCommerce, automotive, and
security systems. Pro cient in full-stack development, cloud technologies, and microservices
architecture. Adept at collaborating with cross-functional teams to drive project success and
business growth. Strong background in React, .NET, Electron.js, Express.js, and database
design, with a focus on performance optimization and scalable architecture. Passionate about
leveraging IoT and real-time systems to solve complex problems and deliver impactful user
experiences.

Core Competencies

• Full-Stack Development: Expertise in React, React Native, .NET Core, Electron.js,
and TypeScript.

• IoT Solutions: Designed and implemented IoT ecosystems with Azure IoT Hub,
enabling real-time device communication.

• Cloud Technologies: Pro cient in Azure Cloud, CI/CD pipelines, and scalable
infrastructure.

• Database Management: Skilled in relational database design and optimization with
MS SQL, PostgreSQL, and SQLite.

• Agile Methodologies: Strong understanding of Scrum practices and iterative
development processes.

• Team Collaboration: Initiated and led team-driven learning sessions on projects like
Gamanet and Limestone, enhancing technology adoption and career growth.

Achievements

• Improved Performance: Reduced backend response times by 30% on high-load
eCommerce platforms.

• IoT Success: Delivered a scalable IoT solution for real-time sports equipment,
enabling seamless data visualization.

• Leadership: Coordinated team learning initiatives, leading to X% faster adoption of
frameworks and tools.

• High Availability: Achieved 99.9% uptime for IoT communication protocols in real-
time analytics.
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Technical Skills

Programming Languages & Frameworks:
.NET (C#, .NET Core, Entity Framework), SQL, JavaScript/TypeScript (JSX/TSX), C++,
Python.

Frontend Development:
React, React Native, Material-UI, Redux, MobX, SCSS, LESS, SASS.

Backend Development:
Node.js, .NET Core WebAPI, SignalR, Azure Functions, Express.js.

Databases:
MS SQL, MySQL, SQLite, PostgreSQL.

Cloud & DevOps:
Azure DevOps, CI/CD pipelines, Docker, Kubernetes.

Development Tools & IDEs:
Visual Studio (2014 – 2019), JetBrains Rider, MonoDevelop, Webpack, Maven.

Testing & Debugging:
Unit Tests, MS Fakes Framework, LLBL Gen.

Professional Experience

Mapleton Hill (02/2022 – Present)

Projects:

• CMS and webpage for Mammoth Mountain Resort (mammothmountain.com) based
on Sitecore CMS.

• Management system for farmers (crops, harvest, and fertilizers).

Responsibilities:

• Designed scalable architecture for IoT client-server communication.

• Developed mobile applications with React Native, ensuring seamless integration with
IoT devices.

• Enhanced system performance through ef cient code optimization and architecture
reviews.

Technologies:
.NET Core, React, Node.js, React Native, SCSS, Emotion React, Redux, CI/CD pipelines,
Azure Cloud, Azure Functions, Sitecore CMS.

Varyence (04/2021 – 01/2022)

Project: Smart sports equipment ecosystem for training data visualization.

Responsibilities:

• Designed IoT communication protocols and backend architecture.

• Developed React Native mobile application for real-time data analytics.
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 • Created a test worker simulating device behavior for seamless backend integration.

Technologies:
Azure Cloud, IoT Hub, React, React Native, .NET Core 6, WebAPI, Azure CI/CD, SCSS,
MobX.

Harward Media (12/2020 – 04/2021)

Project: High-load eCommerce platform for accessories.

Responsibilities:

• Implemented A/B testing to enhance user engagement.

• Developed admin panel and optimized backend work ows.

• Integrated targeted advertising platforms (Google Ads, Facebook Ads).

Technologies:
.NET Core, Entity Framework Core, React, React Native, Material-UI, MobX, Azure
DevOps, PostgreSQL, SCSS, Google Ads API, Facebook Ads API.

EPAM (12/2019 – 08/2020)

Project: Monitoring and control system for oil drilling operations.

Responsibilities:

• Enhanced UI components and developed extensions for monitoring systems.

• Implemented and optimized unit tests for critical system modules.

Technologies:
WPF, ASP.NET, MS SQL, Oracle Database, Azure DevOps, IoT Hub, Unit Tests, LLBL Gen,
MEF.

Limestone Digital (01/2019 – 10/2019)

Project: Internal management system for the International Ice Skating Union (ISU).

Responsibilities:

• Spearheaded frontend development with React and TypeScript.

• Integrated SignalR for real-time communication and API enhancements.

• Led team-driven learning sessions to improve understanding of React, TypeScript,
and SignalR.

Technologies:
React, TypeScript, MobX, Entity Framework Core, SASS, LESS, SignalR, .NET Core
WebAPI.

Gamanet a.s. (02/2017 – 10/2018)

Project: Security systems for airports, business centers, and hotels.
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 Responsibilities:

• Developed and tested drivers for IoT-enabled security devices.

• Enhanced device communication protocols and system reliability.

• Facilitated team knowledge-sharing sessions to deepen expertise in .NET and IoT
development.

Technologies:
.NET, WPF, WF, SVN, Mercurial.

Luxoft (09/2016 – 02/2018)

Project: Automotive embedded systems for event tracking and navigation.

Responsibilities:

• Integrated navigation and event tracking systems.

• Developed multi-threaded components and implemented performance optimizations.

Technologies:
C++, QT Framework, Git, Multi-threading, IoT, Microcontrollers, Visual Studio.

Aquarium Co. (06/2014 – 06/2016)

Project: IoT systems for aquarium lighting and ecosystem control.

Responsibilities:

• Developed rmware for Atmel microcontrollers.

• Designed and tested circuit boards for smart home integrations.

Technologies:
Atmel SoC, Raspberry Pi, Fibaro Smart Home.

Education

Luhansk National Agrarian University (2007 – 2015)

Faculty: Veterinary Medicine
Degree: Master of Veterinary Medicine

IT STEP Computer Academy (2016 – 2018)

Faculty: Software Development
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