Gurgen is available for hire

Gurgen Davtyan

Verified Expert in Engineering

Back-end Developer

Yerevan, Armenia

Toptal member since March 25, 2022

Expertise

Full-stack Front-end MERN Stack Algorithms SaaS Chatbot Development C#JavaScript React.js .NET Agile Development Git Redux SQL

Bio

Gurgen is a C# and .NET software engineer with 8+ years of experience. Over the last few years, he has worked on cryptocurrencies, payments, and trading projects. In addition to having confident knowledge of software security, Gurgen is a great team player focused on achieving project objectives with speed and accuracy.

Portfolio

EQS Group

C#.NET, C#, MySQL, Angular, Kubernetes, Docker, Amazon Web Services (AWS)...

Scrypton

ASP.NET Core, Azure, Google Cloud, .NET, C#, DigitalOcean, Blockchain, REST...

EPAM Systems

C#, ASP.NET, Docker, CI/CD Pipelines, Entity Framework Core, SQL, APIs...

Experience

C# - 10 years
Engineering - 10 years
.NET - 7 years
Azure - 5 years
Web Security - 4 years
Entity Framework - 4 years
ASP.NET - 4 years
Blockchain - 3 years

Availability

Full-time

Preferred Environment

JetBrains Rider, Jira, Slack, MacOS, Visual Studio Code (VS Code)

The most amazing...

...project I've developed is a cryptocurrency exchange platform, considered #1 on the local market and serves many users daily.

Work Experience

Senior Software Engineer

2022 - 2023

EQS Group

Architected and implemented a solution to migrate 1,000+ clients from a legacy application to a new version.
Collaborated with the team to rewrite the application's legacy version to .NET 6 and the latest web technologies.
Identified performance bottlenecks and carried out optimizations.

Technologies: C#.NET, C#, MySQL, Angular, Kubernetes, Docker, Amazon Web Services (AWS), Software Engineering, REST APIs, Amazon RDS, Virtual Machines, AWS Cloud Architecture, RabbitMQ, Redis, NoSQL, Git, Microservices, Test-driven Development (TDD), Automated Testing, Full-stack, Software Design, SaaS, Database Architecture, .NET 6, Dapper, API Development, Socket.IO, Razor Pages, NuGet

Co-founder and CTO

2020 - 2023

Scrypton

Led a cross-functional team of five to deliver complex projects on time and within budget.
Created and maintained a crypto-exchange platform from scratch for the local market with 200+ daily users.
Managed technical aspects of the product, ensuring system availability.
Tracked feedback to understand user needs and guided development to provide a better user experience.

Technologies: ASP.NET Core, Azure, Google Cloud, .NET, C#, DigitalOcean, Blockchain, REST, DevOps, APIs, ASP.NET MVC, .NET Core, C#.NET, HTML, CSS, LINQ, GitHub, Twilio API, Twilio, Razor, MVC Razor, RestSharp, Amazon Web Services (AWS), Software Engineering, Swagger, Unit Testing, Agile, Integration Testing, Monitoring, REST APIs, Algorithms, Serverless, Virtual Machines, Chatbots, GraphQL, NoSQL, Object-relational Mapping (ORM), Git, Next.js, Heroku, Automated Testing, Cloudflare, Full-stack, Vue, Software Design, Leadership, Database Architecture, React, Facebook API, API Development, Blazor, Discord, Redux, User Experience (UX), Socket.IO, Material UI, Internet of Things (IoT), Smart Contracts, Solidity, Azure Active Directory, Microsoft 365, Razor Pages, NuGet, PL/SQL, ChatGPT, Large Language Models (LLMs), OpenAI, Bootstrap, API Integration, Payment Gateways, Stripe

Senior Software Engineer

2020 - 2021

EPAM Systems

Architected the entire front-end piece of four different projects.
Handled the development of a cross-platform mobile app from scratch to reach iOS and Android stores.
Migrated legacy code to .NET Core and up-to-date web technologies.

Technologies: C#, ASP.NET, Docker, CI/CD Pipelines, Entity Framework Core, SQL, APIs, ASP.NET MVC, .NET Core, C#.NET, LINQ, Software Engineering, Swagger, Unit Testing, Agile, REST APIs, Algorithms, Windows PowerShell, NoSQL, Object-relational Mapping (ORM), Git, Microservices, Automated Testing, Full-stack, T-SQL (Transact-SQL), Software Design, Database Architecture, Amazon EC2, API Development, Redux, React Native, Cron, NestJS, Terraform, MERN Stack, User Interface (UI), Advertising Tools & Platforms, Search Engine Optimization (SEO), SEO Tools, Front-end, User Experience (UX), Socket.IO, Material UI, Full-stack Development, Mobile, MUI CSS, Azure Active Directory, Microsoft Servers, NuGet, PL/SQL, API Integration

Senior Software Engineer

2019 - 2020

ZERØ

Collaborated with designers to develop solutions, enhancing user satisfaction by 30%.
Ensured accessibility standards with an average score of 95% across projects.
Created custom npm modules that were later used in all company projects.
Developed the Zero Desktop Companion, consisting of forward-thinking systems that meet user needs and improve productivity.

Technologies: C#, .NET, Windows Presentation Foundation (WPF), Entity Framework, SQLite, Outlook MAPI, Outlook Redemption, Outlook Add-ons, iManage Worksite, NetDocuments API, DevOps, APIs, C#.NET, LINQ, Microsoft SQL Server, Software Engineering, Agile, Monitoring, REST APIs, Algorithms, Windows PowerShell, NoSQL, Git, Automated Testing, SQL Server 2017, Full-stack, T-SQL (Transact-SQL), Software Design, Database Architecture, API Development, Tailwind CSS, Redux, React Native, Flux, MERN Stack, User Interface (UI), Search Engine Optimization (SEO), SEO Tools, Front-end, Material UI, Internet of Things (IoT), Full-stack Development, Mobile, MUI CSS, VMware, Azure Active Directory, Microsoft 365, Microsoft Servers, WCF Web Services, NuGet, PL/SQL, API Integration

Software Engineer

2015 - 2019

Macadamian Technologies

Worked as a software developer on various projects, making them market-ready.
Developed a hotline Twilio service with voice recognition.
Built Azure deployment architecture for multiple projects.

Technologies: .NET, C#, ASP.NET, Entity Framework, JavaScript, Angular, React, ASP.NET Web API, TypeScript, DevOps, APIs, HIPAA Compliance, ASP.NET MVC, C#.NET, HTML, AngularJS, CSS, LINQ, GitHub, Twilio API, Twilio, Razor, Microsoft SQL Server, MVC Razor, MySQL, Software Engineering, Swagger, Unit Testing, Agile, Monitoring, REST APIs, Algorithms, Serverless Architecture, Virtual Machines, jQuery, Knockout (Knockout.js), Node.js, Express.js, NoSQL, Object-relational Mapping (ORM), Confluence, Git, Firebase, SQL Server 2017, Full-stack, T-SQL (Transact-SQL), HTML5, Azure Functions, Software Design, Database Architecture, API Development, ASP.NET Web Forms, NuGet, C++, Java, Transport Layer Security (TLS), Payment Gateways

Experience

ArmBitcoin

https://t.me/ArmBitcoin_bot

A .NET-based Telegram bot platform for cryptocurrency exchange.

As a back-end developer, I integrated the platform with popular payment systems and created anti-fraud and fast-functioning crypto transaction processing systems.

"Siemens Healthineers Ultrasound" Amazon Alexa Skill

https://www.amazon.com/Siemens-Healthineers-Ultrasound/dp/B07D25RV1H

A Node.js-based Amazon Alexa skill that helps to explore and learn information about the new ACUSON ultrasound systems. I was the back-end developer building all the communication flows and integrating with the Siemens system for the fetching of details.

SafeWaters

https://safewaters.com/

A C#.NET and Angular-based website providing real-time data about water levels and flow rates. I was involved as a full-stack developer working on the back end as well as the front end. I mainly worked on the map view, search, and real-time alerts.

Web/Mobile App for Hospitals and Implant Vendors

The Kordova procurement platform captures and tracks implant usage in the operating room, driving operational efficiencies through a vendor-agnostic electronic trading platform. It's the first platform of its kind that seamlessly connects the surgeon, hospital, and implant vendor.

I was involved as a full-stack developer working on the UI of mobile and web apps on the front end as well as building the back end, integrating it with external services, and maintaining CI/CD pipelines.

Education

2013 - 2017

Bachelor's Degree in Computer Science

National Polytechnical University of Armenia - Yerevan, Armenia

Certifications

SEPTEMBER 2017 - PRESENT

Exam 532: Developing Microsoft Azure Solutions

Microsoft

JULY 2016 - PRESENT

Machine Learning

Coursera

Skills

Libraries/APIs

Entity Framework, React, Telegram Bot API, REST APIs, LINQ, Twilio API, Node.js, API Development, Socket.IO, Stripe, jQuery, Vue, Facebook API, TensorFlow, Keras, Outlook MAPI, Outlook Redemption, NetDocuments API, Stripe API

Tools

Azure App Service, iManage Worksite, GitHub, Git, Dapper, VMware, NuGet, RestSharp, RabbitMQ, Confluence, Cron, Terraform, Advertising Tools & Platforms, ChatGPT, Jupyter, JetBrains Rider, Jira, Slack

Languages

C#, SQL, JavaScript, TypeScript, C#.NET, GraphQL, Python, HTML, CSS, T-SQL (Transact-SQL), HTML5, Solidity, C++, Java, PHP, VB.NET

Frameworks

.NET, ASP.NET, ASP.NET Core, Entity Framework Core, Angular, ASP.NET Web API, ASP.NET MVC, .NET Core, Razor, MVC Razor, Next.js, .NET 6, Redux, Flux, React Native, Material UI, Razor Pages, Bootstrap, AngularJS, Swagger, Windows PowerShell, Knockout (Knockout.js), Express.js, Blazor, Tailwind CSS, NestJS, MUI CSS, ASP.NET Web Forms, Windows Presentation Foundation (WPF)

Paradigms

Azure DevOps, REST, DevOps, Agile, Object-relational Mapping (ORM), Search Engine Optimization (SEO), Penetration Testing, HIPAA Compliance, Unit Testing, Automated Testing, Serverless Architecture, Microservices, Test-driven Development (TDD)

Platforms

Azure, Azure PaaS, Blockchain, Twilio, Azure Functions, Mobile, Azure IaaS, Docker, Amazon Web Services (AWS), Heroku, Firebase, Amazon EC2, Azure Event Hubs, DigitalOcean, MacOS, Kubernetes, Apache Kafka, Visual Studio Code (VS Code)

Storage

Azure SQL, Microsoft SQL Server, Azure Active Directory, Azure Queue Storage, Azure Blobs, Azure Tables, PostgreSQL, MySQL, Redis, NoSQL, SQL Server 2017, Database Architecture, MongoDB, PL/SQL, Azure Cosmos DB, Google Cloud, SQLite

Other

Networking, Programming, Architecture, Web Security, Algorithms, APIs, Software Engineering, Virtual Machines, Chatbots, Full-stack, Software Design, SaaS, MERN Stack, User Interface (UI), Front-end, User Experience (UX), Full-stack Development, Smart Contracts, Microsoft 365, Microsoft Servers, WCF Web Services, API Integration, Payment Gateways, Engineering, CI/CD Pipelines, Content Management Systems (CMS), Monitoring, Amazon RDS, Cloudflare, Leadership, Security, Data Structures, Discord, SEO Tools, Internet of Things (IoT), Transport Layer Security (TLS), Large Language Models (LLMs), OpenAI, Machine Learning, Outlook Add-ons, Integration Testing, Serverless, AWS Cloud Architecture, Community Management

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