Summary: Widely experienced freelance IT Professional for 15 years. Software architect for over 9 years experienced mainly in back-end Microsoft technologies, desktop and web applications design and development with database support. Former networks and servers (Windows, Linux) administrator for 3 years. PRINCE2 and ITIL certified strong team leader and problem-solver with critical client focus, blending teamwork and collaboration with vision and execution. Offer excellent interpersonal, communication and presentation skills. Consulted for clients, finance, high technology, media and manufacturing industries.

I am administering Windows since about year 1990 (Windows 3.0) and administering Linux since about year 2000 (Slackware 8).


Programming: AJAX, API, ASP.NET MVC 4, ASP.NET, Boost!, C (inline), C#, C++ (inline), CSS, CSV, DKIM, Entity Framework, Fluent, FormView, GATElab stock market matching system, GLUT, GNU cgicc, HTML Agility Pack, HTML, IBM WebSphere, ImageTools, JavaScript, Linq to Entities, Linq, Linux (from ca year 2000 - Slackware 8), MSMQ, MVC Razor, MVC, Message Queue, Moq, NLog, NUnit, OpenGL, OpenTK, Postfix, PowerShell, RabbitMQ, RadiantQ Gantt Chart control, Redis, SSL, ScriptManager, Service Oriented Architecture (JDeveloper Java web service), Silverlight, T-SQL, TCP/IP sockets, TLS, TOPCONnect, UpdatePanel, VintaSoft, WCF, WPF, WSO2 Enterprise Service Bus, WSO2 Message Broker, Windows Forms, Windows service, XAML, XML, ashx handlers, assembler, data validation, graphics operations handling, iTextSharp, image handling, internationalization, jQuery + UI, mail proxy, multithreading, nHibernate, optimization of T-SQL stored procedures, registry monitor, stored procedures, web services with certificates, web services, .NET Framework 4.5 

Databases: MS SQL, MySQL, Oracle, PostgreSQL, Sybase 

DevOps = CI/CD: Jenkins, TeamCity and 16 other tools

Project management / architecture: Enterprise Architect, PoseidonUML, StarUML, MS Visio, MS Project

Networks: Cisco switches, FortiGate firewall, HTTP, IP, Network administration, OSI stack, SSH, TCP, TLS, UDP 

Administration: Hyper-V, Jenkins, Linux (from ca year 2000 - Slackware 8), MS SQL 2005, 2008, 2012 Data Quality Services, MySQL, Oracle, PostgreSQL, PowerShell, Servers administration (Windows, Linux), Sybase, TeamCity, VMware Player, Server, Workstation, VirtualBox, Windows Server 2003, 2008, SBS 2008, AD, WSUS, GPO, DHCP, DNS, WINS, FTP, IIS, Windows scripts (bat, cmd, VBScript, PowerShell) 

Linux: Mint, Ubuntu, Debian, LMDE, Manjaro, Fedora, Slackware

Business Intelligence: Analysis Services, Integration Services, MicroStrategy Architect, MicroStrategy Desktop, Reporting Services 

Tools: VMware Workstation, Borland C++ Builder 6.0, Code::Blocks, Dev-C++, Microsoft SQL Server 2005, 2008, 2012, Visual Studio 2005, 2008, 2010, 2012, eclipse

Larger projects:

  • desktop application to compute gas flow in gas industry: .NET Framework 4.5, C#, GUI, Linq, numerical methods, Windows Forms
  • desktop application to support small and medium companies: .NET Framework 4.5, C#, GUI, Internet update, Linq, Windows Forms, XML
  • Business Intelligence support system: .NET, C#, T-SQL
  • mailing system - 12 projects in one system: .NET Framework 4.5, API, ASP.NET, C#, DKIM, Entity Framework, GUI, HTML Agility Pack, Linq to SQL, Linq, MS SQL, MSMQ, multi-threading, NLog, Postfix, TortoiseHG, web service, Windows service
  • inner employee benefits application: ASP.NET, C#, Linq to SQL, MS SQL
  • risk analysis application design and development for Moody’s Analytics: ASP.NET, CSV, data validation, FormView, ScriptManager, UpdatePanel, Windows services
  • build, document and mantain .NET Software Factory: build automatization: AnkhSVN, Atlassian, Fluent, FxCop, Jenkins, JIRA, MVC, NHibernate, NLog, NUnit, Oracle database, Sonar, StyleCop, TortoiseSVN
  • web Microsoft Project: API, ASP.NET, C#, iTextSharp, RadiantQ Gantt chart control, Silverlight
  • design and development of stand-alone desktop application for polish ophthalmologists: C#, handle, process and transfer photos to and from MS SQL database, internationalization, MS SQL, Windows Forms, WPF, XAML
  • integration of two applications: C#, image processing handling, MS SQL, TOPCONnect, VintaSoft, Windows Forms, WPF, XAML, XML
  • two dimensional editor to design wardrobes: ASP.NET, C#, ImageTools, iTextSharp, Linq to SQL, Silverlight, web service
  • stand-alone application to view designed wardrobes in three dimensions: C#, OpenTK
  • participation in mks_vir 9 antivirus bundle release: Boost!, C++, C, client and server update, GNU cgicc, mail proxy, registry monitor
  • inner applications to support traders: AJAX, CSS, HTML, JavaScript, PHP

Smaller projects:

  • various bash, PowerShell and Perl scripts
  • file repository with access rights for users accessible via browser (ASP.NET, MS SQL, Linq, Entity Framework) with administrator panel
  • keyboard filter driver to swap Alt keys functionality for Windows Vista, 7, 8 with possibility to change the swapping on-line (filter driver, C)
  • C# app for port scanning
  • C# application for removing blocks of bytes from files
  • Silverlight app for webcam
  • Windows app for keyboard click
  • app for drawing graphs of two-dimensional functions
  • app for drawing graphs of three-dimensional functions
  • advertising portal (PHP, MySQL)
  • PHP script for parsing currency exchange rate from NBP site (XML)
  • C++ app for generating numbers of personal IDs
  • C++ app for personal number generation
  • C++ screenshot app
  • Java app for CRC checksum
  • Java app for webcam (JavaCV, OpenCV)
  • Android app - flashlight (Java, eclipse)
  • modification of http://www.masteraudio.com.pl/ website
  • modification of http://www.signella-trucks.com/ website
  • translated iFunBox application to polish language
  • research and development on Raspberry Pi 3 B+ and Rock Pi 4 B

Internet profiles:

profile for pbies at Super User, Q&A for computer enthusiasts and power users profile for pbies at Stack Overflow, Q&A for professional and enthusiast programmers    



Other important informations:

  • over 3 years as a servers and networks administrator, however - networking since 2003
  • over 9 years in code design and development (PHP, C, C++, .NET/C#/ASP.NET), however - developing code since 1987
  • over 2 years in team management
  • practitioner, not a theoretician
  • analyst, coordinator, consultant, researcher
  • understand business logic
  • worked in Waterfall and Scrum-Agile methodologies
  • dialogue, not monologue
  • react to concretised offers presented by concretised companies
  • interests: IT (algorithms, Unix-like systems, virtualization), sensational movies and literature, science-fiction, physics, bicycle, photography, travel