Oleksii
Senior Full Stack Developer
- Considering positions:
- Senior Full Stack Developer, .NET Tech lead, 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 Developer
from 04.2015 to 07.2026
(11 years 4 months)
303 Team, Дніпро (IT)
Project: EyeOTmonitor https://eyeotmonitor.com/
Contributed to building an enterprise OT/IoT monitoring platform from early research and startup stages to a production system used by hundreds of organizations to monitor thousands of network devices and infrastructure components. Participated in product research, technical feasibility analysis, solution design, architecture discussions, code reviews, feature development, and production troubleshooting.
Developed backend services using the .NET platform, focusing on distributed systems, API development, and integration with enterprise solutions.
Designed and optimized Microsoft SQL Server databases, including indexing, partitioning, sharding, and query optimization.
Developed frontend SPA functionality using Vue.js and Bootstrap, integrated with ASP.NET Core backend services.
Implemented distributed services, real-time communication between system components, and integrations with third-party systems, Video Management Systems (Milestone XProtect, Hanwha WAVE), and AI services.
Used AI-assisted development tools (Claude Code, GitHub Copilot, ChatGPT, Ollama) to evaluate technical solutions, accelerate development, generate unit tests, and troubleshoot production issues.
Technologies:
C#, T-SQL, .NET, ASP.NET Core MVC, REST APIs, SignalR, MessagePack, Akka.NET, IPWorks, NetMQ, Microsoft SQL Server, Entity Framework Core, Dapper, LINQ, Vue.js, Vite, Pinia, Bootstrap, GoJS, Leaflet, Chart.js, PrimeVue, OpenTelemetry, Prometheus, Grafana, Azure DevOps, Git, Claude Code, FFmpeg, OpenCV, NUnit, Jasmine, Vue Testing Library
.NET Tech Lead / Senior .NET Developer
from 03.2014 to 04.2015
(1 year 2 months)
SoftServe, Дніпро (IT)
Senior .NET Developer
Project: 360 Incentives Rebate management solution for sales incentive and rebate programs
Responsibilities:
Developed enterprise web applications for a rebate management platform.
Participated in requirements analysis, backend and frontend development, code reviews, and production support.
Technologies:
C#, T‑SQL, JavaScript, HTML, CSS, ASP.NET, MS SQL Server, Asp.Net WebForms, Telerik, jQuery, Knockout, Git, Jira
.NET Tech Lead
Project: MasterMind CSR
Call center management software - web application
Responsibilities:
Led a development team and coordinated technical tasks.
Participated in solution design and application architecture.
Performed requirements analysis and developed backend and frontend functionality. Conducted code reviews and maintained code quality.
Technologies:
C#, .NET Framework 4.5, ASP.NET MVC, MS SQL Server, SignalR, jQuery, Kendo UI, Bootstrap, WCF, AutoMapper, Enterprise Library, Unity, Jira, TeamCity, Mercurial.
Senior .NET Developer / Team Lead
from 10.2011 to 02.2014
(2 years 5 months)
KM Ware, Запоріжжя (IT)
Team Lead / .NET Architect
Project: PurchasingNet (GDev) - Enterprise ERP System for Procurement
Responsibilities:
Led a development team and participated in solution architecture.
Conducted requirements analysis, task estimation, and database design.
Developed backend and frontend modules for an enterprise ERP system.
Designed and optimized the relational database and implemented SQL functionality.
Performed code reviews and ensured code quality and unit test coverage.
Mentored new team members and shared development best practices.
Technologies:
C#, VB.NET, .NET Framework, ASP.NET WebForms, CSLA.NET, MS SQL Server, T-SQL, jQuery, Web Services, Windows Services, Reporting Services, NUnit, SVN.
Senior .NET Developer
Project: ERP System based on Apprentice CRM
Responsibilities:
Developed ERP functionality based on the Apprentice CRM platform.
Participated in requirements analysis and database design.
Implemented backend functionality and integrated Web Services.
Developed reports using Microsoft Reporting Services.
Technologies:
C#, VB.NET, .NET Framework 4.0, ASP.NET, MS SQL Server, LINQ, T-SQL, Apprentice CRM, Reporting Services, SVN, NUnit.
Senior .NET Developer
from 08.2006 to 10.2011
(5 years 3 months)
Luxoft, Дистанційно (IT)
Developed and maintained enterprise applications using .NET platform, ASP.NET MVC, and Microsoft SQL Server. Participated in solution design, architecture discussions, feature development, code reviews, and production troubleshooting. Built backend services, frontend functionality, distributed components, integrations, and optimized database performance.
Education
Berdjansk State 'P.D. Osypenko' Pedagogical Institute
Physics, Information science and Computer Engineering, specialist, Berdyansk, Ukraine
Higher, from 1992 to 1997 (5 years)
Knowledge and skills
- C#
- .NET Framework
- ASP.NET Core
- REST API
- Entity Framework
- T-SQL
- Vue.js
- TypeScript
- JavaScript
- SignalR
- MessagePack
- Akka.NET
- Distributed Systems
- SaaS Architecture
- OpenTelemetry
- Prometheus
- Grafana
- Azure DevOps
- Git
- AI-Assisted Development
- Enterprise Software
- Unit Testing
- Wireshark
- Postman
- IPWorks
- Windows API
- ZeroMQ
- Vite.js
- Webpack
- Bootstrap
- GoJS
- Leaflet
- Chart.js
- RestSharp
- Flurl
- NUnit
- Vue Testing Library
- Dapper
- LINQ
- NetMQ
- Pinia
- PrimeVue
- VMS
- OpenCV
- FFmpeg
Language proficiencies
English — average
Additional information
Senior Full Stack Developer with 18+ years of experience developing enterprise software, distributed systems, and SaaS applications. Strong background in backend development with .NET and SQL Server, frontend development SPA with Vue.js, software architecture, system integration, and production troubleshooting. Experienced in building high-load applications, optimizing database performance, and delivering customer-driven features. Experienced in using AI-assisted development tools to analyze requirements, evaluate technical approaches, implement features, support code reviews, generate unit tests, and investigate production issues.
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