Катерина

Kateryna Hlynska Dnipro, Ukraine
[открыть контакты](см. выше в блоке «контактная информация»)
Full-stack .NET/Angular Developer [открыть контакты](см. выше в блоке «контактная информация»)
Skype: [открыть контакты](см. выше в блоке «контактная информация»)
Linkedin: katerina-hlynska
Github: katglin

Summary Full-stack developer with 7+ years of experience in building enterprise web, mobile
applications and Windows services. Feel confident working both independently and in a
team.

Education Donetsk National Technical University, 2013-2018
Computer Science and Technology – Master's Degree with honors

Languages English (Upper-intermediate/B2), Ukrainian (fluent), Russian (fluent)

Skills Career History
Backend: C#, ASP.NET MVC, ASP.NET Core, Web Unicorn December 2022 – current
API, REST API, LINQ, EF, Dapper, SqlKata Full-stack .NET / Angular / Ionic Developer
Frontend: Angular, Ionic, HTML5, CSS/SCSS, Daxx/Grid Dynamics March 2021 – December 2022
Bootstrap Full-stack .NET / Angular Developer
DB: T-SQL, NoSQL, SQLite, SSDT, SSIS, Firestore Apriorit May 2019 – March 2021
Testing: Karma, Jasmine, NUnit Full-stack .NET / Angular Developer
Cloud Platforms: AWS, Google Cloud/Firebase Cimon June 2017 – April 2019
Architecture: Windows Services, microservice Technical writer and intern developer
architecture

Projects Android mobile application for merchandise management (December 2022 – current)
• Launched a mobile application based on Angular, Ionic, .NET Core, Dapper, SqlKata,
and SQLite as a sole developer.
• Developed an offline-first architecture with continuous synchronization pipeline and
conflict resolution logic.
• Implemented support for Android phones and MDE devices, including Newland and
Urovo scanners.
• Managed releases and support for up to 10 tenants.

Digital customer card for tanning studio (February 2023 – June 2024),
Digital labeling solution for retail (October 2024 – December 2025)
• Implemented a Windows service for real-time bidirectional data synchronization
between SQL Server database and Firestore database based on SQL Table
Dependencies, Google Cloud Functions, Pub/Sub, and Firebase Cloud Messaging,
resistant to high volumes of concurrent changes and network failures.

Merchandise management and cash register solution (March 2021 – December 2022)
• Developed a web application based on .NET Core, Angular, Syncfusion, SqlKata, and
Dapper from scratch.
• Improved existing solutions by introducing recommended approaches and newer
technologies.
Multi-tenant call routing and CRM SaaS solution (June 2020 – March 2021)
• Worked on a multi-tenant web application combining ASP.NET Web API, ASP.NET
Core, EF, MongoDB, SSDT, Angular, NUnit, AWS services, SignalR, Hangfire, and
third-party integrations (CometChat, Bandwidth, PureCloud, AI module) in a big
distributed team.
• Onboarded new tenants, migrated the solution toward microservice architecture,
developed new modules focused on remote work, security and monitoring (screen
sharing, webcam/audio recording, communication between users and supervisors).
• Participated in basic DevOps tasks (TeamCity, Octopus, AWS infrastructure).
• Leaded a team of 6-10 developers, code reviews, tech solutions.
• Worked on CRM product according to Agile methodology.

Tenant management tool for online rent payments and document signing (May 2020)
• Developed a separate module for online lease document creation based on Angular,
ASP.NET Core, and MongoDB.
• Provided a pixel-perfect UI based on design mockups with Dropbox Sign (formerly
HelloSign) integration under tight deadlines.

Medical transportation service platform (May 2019 – May 2020)
• Worked on a web application combining ASP.NET MVC, Web Forms, Windows
Forms, Dapper ORM, KnockoutJS, Karma/Jasmine, SSIS, and SQL jobs.
• Developed a medical transportation scheduling web portal in a scrum team.
• Provided production support for billing and reporting operations, interaction
between healthcare, state and insurance departments.
• Participated in basic DevOps tasks (Jenkins and Octopus).
• Optimized complex SQL queries, identified and resolved issues in complex legacy
codebases with extensive business logic and minimal documentation; introduced
new documentation and knowledge sharing for better further maintenance.

Project management application, Image processing tool, Blockchain project (June 2017
– April 2019)
• Combined multiple roles in a startup-oriented team (technical writer, account
manager, marketer, intern software developer).
• Implemented frontend improvements using HTML5/CSS3, SASS, jQuery, AJAX.
• Developed a Telegram bot for internal needs using existing GraphQL API and C#.
• Researched AI technologies, Python, TensorFlow and Keras for the image processing
tool, developed prototypes using Keras.
• Researched blockchain technologies while writing a White Paper document.
• Wrote technical documentation, blog posts (marketing and technical).

Online store of mobile phones (July – August 2016)
• Summer internship under the guidance of a professional team, development of an
online store using ASP.NET MVC 5, EF, LINQ, and jQuery with deployment to Azure.