Curriculum vitae Heinrich Elsigan

Personal record

name:	Heinrich Elsigan
address:	Theresianumgasse 6/28 1040 Wien
phone:	+43 650 752 79 28 +43 670 406 89 83
emails:	heinrich.elsigan@gmail.com heinrich.elsigan@live.at he@area23.at
date of birth:	22.02.1973 / Vienna
citizenship:	Austria
website:	heinrichelsigan.area23.at
blog:	blog.area23.at
github:	github.com/heinrichelsigan
url:	https://firmen.wko.at/DetailsKontakt.aspx?FirmaID=19800fbd-84a2-456d-890e-eb1fa213100f

See all my certificates, evidences and references of work and all other relevant documents from Google Drive.

Education and training

1979 Sep - 1983 Jul	public school GTVS Kleistgasse Kleistgasse 12/1, 1030 Wien
1983 Sep - 1991 Jul	high school Akademisches Gymnasium Beethovenplatz 1, A-1010 Wien Specialization: modern languages (French, English) high school graduation certificate
1991 Oct.–	Not finished math study at University Vienna
1992 Oct.–	Not finished computer science studies at technical University TU Vienna
1991 Feb - 1993 Jul	course for programming Wifi Wien Währinger Gürtel 97, 1180 Wien Programming in C
1998 Jan - 1998 Sep	completion of basic military service Basic training: Marines Guard Maria-Theresien-Kaserne Am Fasangarten 2, 1130 Wien Trained deployed: Armed Guard Kaserne Arsenal Kelsenstraße 4, 1031 Wien
2001 Nov	courses RUP, OOA, OOD rational university (3 certificates) now IBM Rational

Professional Background

1992 Oct- 1993 Aug	Sales representative for cleaning products Business license can be seen here. Inactive Business license since 4.2.1993 Social insurance for business.
1993 Aug - 1995 Dec	Several building working and support contracts for Geologischen Bundesanstalt (geological research center) Activity: network & hardware technician (Novell, internet TCP/IP), ), PC support (software, hardware) and maintenance, chaining IPX/SPX stack and TCP/IP stack via ODI package driver under MS-DOS and Windows 3.1 – 3.11. porting of linux bash shell to HPUX System environment: cyber (old host system), HPUX server & workstation, MS-DOS 6.x – 7.x, Windows 3.1 – Windows 3.11, Novell server RConsole, IPX/SPX
1995 Aug - 1996 Jan	Practical training within the framework of computer science course with subsequent work contract at the institute of medical computer science at AKH Wien Activity: organization and pre-system installation for the new Archi-Med scientific computer system. programming in small talk with model-view-controller pattern Network maintenance in an IBM token ring and novell network environment System environment: IBM host, Windows 3.11, IBM unix, linux curses, Exceed X Server
1996 Nov - 1997 Jun	Freelancer for Immo-Contract Makler G.m.b.H Baden. Activity: network & hardware technician (Novell, Internet TCP/IP), PC support (Software, Hardware) and maintenance. Windows 3.11 – Windows 95 System environment: Windows 3.11, Windows 95
1997 Jul - 2000 Aug	Freelancer for Mevaco Lochblech G.m.b.H. Baden Activity: installation, assembling, administration, troubleshooting, network & hardware technician, Expansion of the local network LAN to cross-site company network System environment: Windows 95, Windows NT 3.5 – Windows NT 4.x, Cisco Router, Citrix
2000 Sep - 2001 Mar	Employed as software developer at Cogidata Fürst KG, A-1200 Vienna Activity: Software development for pakistani internet provider internet provider PakFree. (java, Visual C++, Win32 system programming). Installation and configuration under linux of provider software (ICRadius, Freemail, ...) for greek internet provider Stargate. Troubleshooting and administration under linux and solaris. (apache, ihtml, odbc, mysql, informix database, multiple mail domains sendmail, ...). System environment: Linux slackware (walnut creek), solaris, Windows 98 SE, Windows NT, apache, ihtml, odbc, mysql, informix database, multiple mail domains sendmail, ICRadius
2001 Sep – 2002 Sep	Employed as a system administrator at Avitech Aviation Management Technologies. Field of activity: Initially system administration, then responsible for the deployment area as part of the DoRIS (Donau River Information System) project; used in a variety of areas, such as ordering hardware and software, setting up the test system starting with cross-organizational coordination and technical specifications up to laying cables in the Freudenau and Greifenstein Danube power plants, author of the commissioning manual, Java programmer. System environment: Windows 2000, Windows XP, Linux SuSe, RedHat, IBM Websphere Application Server, GAIS, Mom (Message oriented Middleware
2002 Oct - 2004 Dec	Employed as software developer Fact-Consulting for the construction of subsidiary company Activity: Planning, development, deployment and technical support of process-oriented communication and management system enabler4BIZ®. Web application development and database development under MS Visual Studio .NET C # and Microsoft SQL Server. Mainly responsible for the MS certification process of enabler4BIZ® software. Network solutions for customers: planning, analysis and implementation of computer networks at customers, (cross-site networking, VPN solutions under Linux, mail, web and application servers, monitoring, process automation under linux) System environment: MS Visual Studio, .NET, C#, MS SQL-Server 2000, , Windows NT, Windows XP, Windows 2000 Server with ADS, Linux Gateway, virtualized Linux, Microsoft Hyper-V for remote management gateways, .NET Framework 1.1
2005 Mar - 2005 Sep	Freelancer for Logic4BIZ in order to extend previous documentation and transfer of knowledge, as well as a private client in home network. Activity: Documentation of previous work and know how transfer to new team members. System environment: MS Visual Studio, .NET, C#, MS SQL-Server 2000, , Windows NT, Windows XP, Windows 2000 Server with ADS, Linux Gateway, virtualized Linux, Microsoft Hyper-V for remote management gateways, .NET Framework 1.1
2005 Nov - 2005 Dec	Freelancer for Topcall (now Kofax) as shared developer, solutions under Linux, CVS, Apache2, backup solutions under Mysql System environment: Linux, CVS, Apache2, MySQL
2006 Feb - 2010 Dec	Employed as software developer at Inhouse Ges.m.b.H der Wirtschafskammern Österreich. (Economic Chambers of commerce Austria) Activity: Webapplication and database developer using MS Visual Studio .NET C# and Microsoft SQL-Server, co-developer of FirmenA-Z, Insolvenzen und Neuzugänge, protected webservices and much more for several organizations in chambers area (e.g. Junge Wirtschaft, Frau in der Wirtschaft, …). Software development process: waterfall model System environment: MS Visual Studio, .NET, C#, Microsoft SQL-Server 2003, 2005, 2008, Windows Server 2000, Windows Server 2003, Windows Server 2008, Windows XP, Windows Vista, .NET Framework 2.0, SOAP, XML

2011 Jan – 2011 Sep

Employed as software developer at Logic4BIZ Activity: Implementing an automatic process model designer for enabler4BIZ® under Microsoft Visio New development of "Logic4BIZ ModelDesigner" software for Microsoft Visio 2010 using C #, .NET Visio SDK 2010 C #, Office 2010 SDK C #, Unity ApplicationBlock, JSON (OO) design, implementation, unit, blackbox, whitebox and integration testing of software components of the web-based product enabler4BIZ under ASP.NET/C#/SQL Reliable database design under Microsoft SQL, hotfixes and enhancement for Logic4BIZ own ERP system, performance optimization of SQL queries. Software development process: SCRUM System environment: Visual Studio, .NET, C#, Microsoft SQL-Server 2008 R2, Microsoft SQL-Server 2010, Microsoft Windows Server 2008, Windows 7, .NET Framework 3.5, .NET Framework 4.0, virtualized Linux and Microsoft Windows Hyper-V gateways for remote support, Team Foundation Server

2011 Nov - 2012 Jun

Employed as software developer at Inhouse Ges.m.b.H der Wirtschafskammern Österreich. (Economic Chambers of commerce Austria) Activity: Web-application and database developer using MS Visual Studio .NET C# and Microsoft SQL-Server, Hotfixes for FirmenA-Z, building an environment for portation of WKO portal, implementation of protected webservices (asmx); Software development process: SCRUM System environment: MS Visual Studio, .NET, C#, Microsoft SQL-Server 2008, Microsoft Windows Server 2008, Windows 7, .NET Framework 4.0, SOAP, XML

2012 Jan –2015 Oct	Precarious freelancer for several smaller companies and small tasks at Logic4BIZ Activity: Projects in the field of SQL, integration coordination, security and networking, deployment and software quality. Rarely freelancer for company Logic4BIZ · implementation of automatic deployment and update mechanism for"Logic4BIZ ModelDesigner" in enabler4BIZ® · improving "Logic4BIZ ModelDesigner" for multilingualism in process models in Microsoft Visio 2010 using C #, .NET Visio SDK 2010 C#, Office 2010 SDK C#, Unity ApplicationBlock, JSON. · Extensions for integrating external WebContent into MS Visio process models of "Logic4BIZ ModelDesigner in Microsoft Visio. · Customizations for individual customers of "Logic4BIZ ModelDesigner in Microsoft Visio 2010. Software development process: eXtreme Programming (XP) on Demand System environment: MS Visual Studio, .NET, C#, Microsoft SQL-Server 2008, Microsoft SQL-Server 2014, Windows Server 2008, Windows 7, Windows 8 .NET Framework 4.x, SOAP
2015 Nov – 2016 Jun	Employed as software architect at e² communications for sport bookie software under Amazon webservices Activity: software architect and consultant for sport bookie software under Amazon webservices, Management of Linux images, evaluation of different databases in terms of performance and virtualization, administration of Linux images Evaluation of various databases MySQL, Maria DB in terms of performance & virtualization. Testing, evaluating different service providers, services such as New Relic, Gecko Board, DashBoard, and PagerDuty as additional components for betting apps software vendors Software development process: Scrum & Waterfall System environment: MS Visual Studio, .NET, C#, SQL-Server 2014, MySQL, MariaDB, Amazon Cluster, Amazon WebServices, Apache 2.x, Amazon VPCs
2017 Oct – 2018 May	Self-employed freelance at EVN AG for the Joulie project Activity: Implementation of a portal for the Joulie configurator. On the website joulie.at you can configure solar systems and obtain appropriate offers. Furthermore, there is a customer portal with an overview of the own solar systems, master data management and representation of the own energy savings, contracts and all offers. In the final stage, all customers should be networked to form a joint power plant or energy storage. System environment: Windows 10, .NET Framework 4.5.2, MVC 5, TypeScript 2.5, HTML 5, CSS 3, jQuery 2.1.4, d3.js, vue.js 2, Oracle 11g, MS SQL 2008 R2, Kentico 10, SVN
2018 Oct - 2019 Aug	Employed at bet-at-home.com as a software developer. Team Betman Client. Activity: Core, Logging, Databases, Proprietary Applications, Logger Analysis, Splunk, Threading, Replacement of legacy proprietary middleware with a modern streamlined .Net Core Client. Implementation of REST Services communicating with MS WCF, Database Comparison, Faster Mapping, Logging Performance tuning. System environment: Windows 10, ASP.NET C #, .NET, .NET Framework 4.7.x, .Net Core 2.x - 3.0, Microsoft SQL Server 2018, Dynatrace, Splunk, Perforce
2019 Oct - 2020 Aug	Employed at beko.at as a software developer and full time leased to andritz.com Development of management platform as blazor app in .net core 3.1 with interfaces to mechanical and hydraulic databases at Andritz (Hydro, Turbines) Activity: ASP.NET C #, .NET Core, Swagger, JSON, Blazor, Azure AD Authentication, bootstrap css System environment: Windows 10, .Net Core 3.x, Jira, stash Bitbucket with git, Azure AD portal, devops pipelines, jira pipelines

2021 May – 2023 Sep.	Self-employed Supu Project: https://www.georg-toth.com/supu/ Several small jobs as a self-employed individual user, game programmer under Windows C # and Java Android. ASP.NET C#, .NET Core, Android Studio, Gradle, JSON, Java. System environment: Windows 10-11, Net Core 7.x, Ubuntu, AWS Amazon Web-Services
2023 July - 2023 July	Employed at peopleX as software developer. Activity: Development & Optimization of main core portal Ampol / Vera System environment: Windows 11, .NET Core 7.x, Blazor, RadZen, Microsoft SQL-Server 2022, linux docker container.
2023 Sep – 2024 April	Unemployment job service AMS
2024 Mar. – 2025 April	Self-employed working as freelance Software Developer for product on new scope Office-PDF-Conversion-Service: https://logic4biz.com/blog/neuer-pdf-converter/ Visual Studio 2022, .NET C#, .NET Framework 4.8.1, .Net Core 8.x – 9.x, Swagger, clasic Microsoft Webservices, Microsoft.Office.Interopt, NetOfficeFw, LibreOffice, Windows Document Spooler Converter based on Betman Client from bet-at-home.com System environment: Windows 11 / Windows Server 2019, IIS, Net Core 8.x, - 9.x, Microsoft Office 365, Microsoft Visio 2016, Microsoft Office 2021.
2025 Jan.- 2026 July	Implementation of a symmetric cipher CryptPipe Launching platform cqrxs.eu at 21^st February. GitHub: https://github.com/heinrichelsigan/CryptPipe Download: https://cqrxs.eu/download/
2025 April – 2025 Aug,	Unemployment job service AMS
2025 Sep. - 2025 June	Self-employed working as freelancer for logic4BIZ. Implementation of a Saml2 Single Sign on Solution Demo: https://test.area23.at/ThirdPartySignOn/Saml/

Foreign languages

language	category	level
Englisch	conversation, writing, technical english	good
German	native language	excellent
French	conversation, writing, matriculation level	average

Special knowledge and skills in IT

category	details	level
C#, Java, C several C dialects	VS .NET ASP C # Programming, .NET Core, C Unix / Network Programming (gcc)	good – average
databases	mysql, Microsoft SQL Server (including Performance Tuning) SSIS (former DTSX) Integration services, multiprocessor enviroment) MySQL including clones like Aurora & Maria DB	good – average
administration linux and Windows	databases, shell scripting, bash, tcpsh, csh, ksh setup, configuration, patching, update & maintenance webserver (apache2), mailserver sendmail / procmail, incl. imap(s) dovecoat network security netilter ipv4: iptables, ipv6: ip6tables openssh, openssl let’s encrypt	good - average
development methods development process tools	Scrum, classic waterfall, RUP (Rational Unified Process) XP (eXtreme Programming) risk-covering prototyping: critical & must have features Azure Dev Ops Atlassian (Jira, Confluence, BitBucket) Git Pipelines, Git Project tools	experience in 23 projects
Virtualization Cloud services Migration to cloud: Maintaining cloud Local backup of cloud	Oracle VirtualBox Microsoft Hyper-V VMWare QEMU Docker Container Amazon Web Services AWS Azure Cloud reliable fail-safe cloud environment fast image creation, backup, snapshots, respawning, staging, step backward version very fast rescaling cloud requirements Backup & export of cloud virtual machines +micro services into local para-virtualized environment	good –average

Personal soft skills:

Goal orientation, ability to easily learn into new similar technologies