Oleksii
Senior Full Stack .NET Developer
- Considering positions:
- Senior Full Stack .NET Developer, Software Engineer
- Employment type:
- full-time
- Age:
- 51 years
- City of residence:
- Dnipro
- Ready to work:
- Dnipro, Remote
Contact information
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Work experience
Senior Full Stack .NET Developer
from 04.2015 to now
(11 years 6 months)
303 Team, Дніпро (IT)
Project: EyeOTmonitor (Core Product Platform since 2017)
OT/IoT monitoring and device management platform for physical security, smart city, and industrial environments, available in cloud and on-premise deployments.
Responsibilities:
• Contributed to the product from early startup-stage research and technical discussions through production
deployment and ongoing platform evolution for more than eight years.
• Designed and developed .NET backend services and REST APIs, including distributed components and real-time communication using SignalR and NetMQ.
• Developed SPA functionality with Vue.js and implemented integrations with Video Management Systems (Milestone XProtect, Hanwha WAVE) and AI services.
• Defined technical solutions, diagnosed production issues, and optimized application and database performance.
• Applied AI-assisted development tools for code analysis, test generation, and troubleshooting.
Technologies: C#, .NET, ASP.NET Core, Akka.NET, REST APIs, SignalR, NetMQ, MessagePack, MS SQL Server, EF Core, Dapper, LINQ, T-SQL, Windows Services, Vue.js, PrimeVue, Bootstrap, Leaflet, GoJS, Chart.js, OpenTelemetry, Prometheus, Grafana, Azure DevOps CI/CD, Git, Claude Code, GitHub Copilot, IPWorks, OpenCV, NUnit, tSQLt, Vue Testing Library, WiX Toolset.
Project: MediaRadar is a marketing intelligence SaaS platform that provides advertising, media, and competitive intelligence for brands, agencies, publishers, and media platforms.
Responsibilities:
• Developed core platform functionality and frontend features for a high-traffic SaaS platform used by hundreds of customers and backed by a high-load relational database.
• Implemented integration solutions with external systems, including Salesforce.
• Collaborated with Product Owners to clarify task requirements and define technical solutions.
• Automated deployments to testing environments using Octopus Deploy.
Technologies: C#, ASP.NET, MVC, MS SQL Server, Entity Framework, NHibernate, LINQ, T-SQL, REST APIs, SignalR, JavaScript, Bootstrap, AWS SDK, Salesforce integration, RestSharp, NUnit, Moq, Git, Jira, Octopus
Deploy
.NET Tech Lead / Senior .NET Developer
from 03.2014 to 04.2015
(1 year 2 months)
SoftServe, Дніпро (IT)
Project: 360 Incentives - rebate management solution for sales incentive and rebate programs.
Responsibilities:
• Developed business-critical functionality for an enterprise rebate and sales incentive management platform, including rebate calculations, approval workflows, reporting features and integration components.
• Implemented backend and frontend features using ASP.NET and JavaScript-based technologies in a distributed team of 20-25 developers.
• Participated in requirements analysis, code reviews and production issue investigation.
Technologies:
C#, .NET Framework 4.5, ASP.NET Web Forms, MS SQL Server, T-SQL, Telerik UI, jQuery, Knockout.js, JavaScript, HTML, CSS, Unity, Git, Mercurial, TeamCity.
Project: MasterMind CSR - call center management platform with real-time operator monitoring, queue management, reporting and telephony integration.
Responsibilities:
• Led a development team, including task planning, technical leadership, mentoring and code reviews.
• Designed and evolved the application architecture for a real-time call center application, including SignalR-based live communication, operator monitoring and messaging components.
• Analyzed business requirements with stakeholders and defined technical solutions.
• Supported delivery activities, investigated production issues and participated in system enhancements and maintenance.
Technologies:
C#, .NET Framework 4.5, ASP.NET, MVC, MS SQL Server, Entity Framework, SignalR, RabbitMQ, WCF, Kendo UI, jQuery, Bootstrap, AutoMapper, Enterprise Library, Unity, JavaScript, HTML5, CSS3, Jira, TeamCity, Mercurial.
Senior .NET Developer / Team Lead
from 10.2011 to 03.2014
(2 years 6 months)
KM Ware, Запоріжжя (IT)
Project: PurchasingNet (GDev) - Enterprise ERP platform covering financial management, accounts payable automation, and procurement processes.
Responsibilities:
• Led an international development team, contributing to requirements analysis and task estimation.
• Developed backend and frontend modules for an enterprise ERP platform.
• Designed relational database schemas, implemented SQL and T-SQL solutions, and optimized database performance.
• Maintained unit tests, resolved software defects, and provided technical guidance to team members.
Technologies: C#, VB.NET, .NET Framework 3.5, ASP.NET Web Forms, CSLA.NET, MS SQL Server, T-SQL, JavaScript, jQuery, Web Services, Windows Services, Reporting Services, NUnit, SVN, Amazon EC2.
Project: ERP platform with financial management (based on Aprentis CRM).
Responsibilities:
• Developed backend and UI functionality, implemented database functionality,.
• Analyzed business requirements, implemented backend functionality, and customized CRM modules and business workflows.
• Implemented data exchange mechanisms and enterprise integrations, including Web Services.
• Conducted code reviews and developed financial and operational reports using Microsoft Reporting Services.
Technologies: C#, VB.NET, .NET Framework 4.0, ASP.NET MVC, MS SQL Server, LINQ, T-SQL, JavaScript, XML/XPath, Web Services, Aprentis CRM, Microsoft Reporting Services, SVN, NUnit.
Senior .NET Developer
from 08.2006 to 10.2011
(5 years 3 months)
Luxoft, Дистанційно (IT)
Project: VTB Invest Research / VTB Capital - large enterprise financial services platform supporting investment research, commodities trading, market data processing, financial analysis and reporting.
Responsibilities:
• Developed the project from initial research through production delivery as a Senior .NET Developer in a team that grew from 3 to 20 developers.
• Analyzed requirements, estimated tasks, and worked across the full software development lifecycle, including backend services, UI development, and unit testing.
• Designed enterprise and market-data integrations using WCF, MSMQ, Web Services, Mule ESB, and integrations with external exchanges.
• Developed database schemas and data-access logic for a high-volume SQL Server database.
• On-boarded new team members, conducted code reviews, fixed production bugs, and handled build and deployment activities.
Technologies:
C#, .NET Framework 3.5-4.0, ASP.NET, WCF, MSMQ, Web Services, Mule ESB, T-SQL, MS SQL Server, NHibernate, LINQ, JavaScript, jQuery, DevExpress, VSTO, Open XML, VBA, Spring.NET, NUnit, Pex/Moles, CruiseControl.NET, MSBuild, Jira, Subversion.
Education
Berdyansk State Pedagogical University
Specialist Degree in Physics, Information Science and Computer Engineering, Бердянськ
Higher, from 1992 to 1997 (5 years)
Additional education and certificates
https://www.efset.org/ef-set-50
Knowledge and skills
- .NET
- C#
- ASP.NET Core
- REST APIs
- Microsoft SQL Server
- T-SQL
- Entity Framework Core
- Dapper
- LINQ
- Distributed Systems
- Akka.NET
- SignalR
- MessagePack
- Vue.js
- TypeScript
- JavaScript
- Vite
- Pinia
- Bootstrap
- OpenTelemetry
- Prometheus
- Grafana
- AI-Assisted Development
- Postman
- Wireshark
- Swagger
- Domain Driven Design
- Windows Forms
- WPF
- Wix Toolset
- CQRS
- RabbitMQ
- NetMQ
- SNMP
- ONVIF
- RTSP
- OpenCV
- ASP.NET MVC
- AWS
- Claude Code
- Docker
- Git
- Azure DevOps CI/CD
- XUnit
- NUnit
- TSQLt
- Jasmine framework
Language proficiencies
- English — above average
- Ukrainian — fluent
Additional information
Senior Full Stack .NET Developer with experience in product and outsourcing companies, developing distributed systems, SaaS products, and data-intensive applications.
• Experience covers the full SDLC, including requirements analysis, task decomposition and estimation, technical design, full-stack development, database engineering, performance optimization, profiling, and ongoing support.
• Domain experience includes IoT, physical security, ERP/CRM, financial services, media technology, and contact centers, with enterprise integration expertise including ESB, VMS, and streaming.
• Worked for more than eight years on an OT/IoT monitoring and management platform, guiding it from early R&D prototyping through production deployment, scaling, and continuous product development.
• Regularly work within Agile/Scrum environments, with experience in DevOps and CI/CD, observability, integrating AI services into products, and using AI-assisted tools for analysis, implementation, testing, and troubleshooting.
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