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Work experience

Senior Software Developer

from 02.2018 to now (7 years 6 months)
Creatio, Киев (IT)

Creatio (ex Terrasoft) is a leading vendor of an AI-native platform for automating CRM and workflows with no-code solutions. Creatio is recognized as a Leader and Strong Performer in multiple Gartner and Forrester reports.

💡Responsibilities:
✮ Ensuring core platform components' stability, performance, and scalability, including user management, authentication, WebSocket communication, ORM support, and Redis database interactions.
✮ Involvement in architecture planning and design
✮ Back-end development using C#, ASP.NET MVC Framework, ASP.NET Core, Web API, WebSocket
✮ Database design and writing SQL queries with MS SQL Server, PostgreSql, Oracle, Redis, SQL
✮ Writing integration and unit tests using NUnit and Fluent Assertions
✮ Front-end development using Angular, Javascript, TypeScript, HTML5, CSS, Flexbox
✮ Active involvement in sprint activities
✮ Configuring and maintaining CI/CD pipelines with TeamCity to ensure seamless build, testing, and deployment processes
✮ Regularly performing 4th-line technical support duties

💡Achievements:
✮ Implemented PostgreSQL database support in the product, enabling cost-effective on-site deployments for clients and providing a foundation for Linux-based system support
✮ Migrated the system core to .NET 8
✮ Enabled quick installation of user custom packages and applications
✮ Improved product security by implementing 2FA, integrating Vault for secure storage of sensitive data, and enhancing protection against XSS vulnerabilities and unauthorized code execution using CSP
✮ Improved support processes, reducing incident resolution time and increasing customer satisfaction

Education

East Ukrainian Volodymyr Dahl National University

Computer Engineering, Computer Systems and Networks, Северодонецк
Higher, from 1994 to 1999 (5 years)

Knowledge and skills

• C#
• SQL
• Знание принципов ООП
• MS SQL Server
• Git
• ASP.NET Core
• HTML
• .NET Framework
• CSS
• JavaScript
• ASP.NET
• ASP.NET MVC
• PostgreSQL
• SOLID Principles
• GitHub

Language proficiencies

• Ukrainian — advanced
• Russian — fluent
• English — average