Erhan Yigit
Systems Management Consultant
Experience
Commerzbank
- New development of an ASP.NET web application for mortgage financing
- Maintenance as well as functional and technical enhancements (expanding to other loan types, connecting to various services, developing custom web services)
- Analysis of business requirements in close collaboration with business units
- Creation of IT concepts and technical documentation
- Development in both back and front end
- Design and implementation of automated build, deployment and test processes
- Creating scripts for automated generation of data access layers (C# classes and SQL scripts) and integrating them into build and deployment processes
- Languages: C#, PowerShell, JavaScript
- Technologies: ASP.NET, Windows Forms, XML Web Services, Windows Services, MS SQL Server, Entity Framework, unit testing, automated build, deployment and test processes
- Tools: Visual Studio 2005-2015, Team Foundation Server, DevExpress, Rational ClearCase, Rational ClearQuest, CruiseControl.net
Software development company for Pfizer
- Development of two ASP.NET applications for modeling internal company processes
- Languages: C#
- Technologies: ASP.NET, Plumtree Portal Server, MS SQL Server
- Tools: Visual Studio .NET 2003, Visual SourceSafe
Software development company for Pfizer
- Migration of ASP applications to ASP.NET as part of a portal migration
- Creation of target and realization concepts, implementation and testing
- Languages: C#
- Technologies: ASP.NET, Plumtree Portal Server, MS SQL Server
- Tools: Visual Studio .NET 2003, Visual SourceSafe
Sinius GmbH
Rollout Management Software (05/2005 – 12/2005): Design and development of a web-based rollout management software based on ASP.NET with Oracle integration. Languages: C#, PL/SQL. Technologies: ASP.NET, Windows Forms, ODP.NET, Application Blocks. Tools: Visual Studio .NET 2003, Crystal Reports (VS.NET Edition), Visual SourceSafe, Infragistics NetAdvantage, PL/SQL Developer.
On-site Inspection Software (03/2005 – 12/2005): Development of a web-based on-site inspection software using ASP.NET, XML Web Services and smart clients with Oracle integration. Languages: C#. Technologies: ASP.NET, XML Web Services, Windows Forms (smart client), WSE, ODP.NET, Application Blocks. Tools: Visual Studio .NET 2003, Crystal Reports (VS.NET Edition), Visual SourceSafe, Infragistics NetAdvantage, NUnit.
Patch and Build Management Software (01/2005 – 04/2005): Design and development of a system to manage build and patch information. Languages: C#. Technologies: XML Web Services, Windows Forms, WSE, Application Blocks, MS SQL Server. Tools: Visual Studio .NET 2003, Visual SourceSafe.
System Configuration and Management System (01/2003 – 06/2005): Development of a system for installation, configuration, software distribution, Citrix farm configuration, hardware, software and user inventory with reporting capabilities on Windows systems. Languages: C#, C++, WSH (JScript, VBScript). Technologies: ASP.NET, XML Web Services, Windows Services (both .NET and classic), COM server (ATL), WSE, ADSI, WMI, MFCOM, Application Blocks, O/R Mapping, MS SQL Server. Tools: Visual Studio .NET 2003, Visual SourceSafe, NUnit.
Freelance Software Developer
Trainings – mainly in Microsoft technologies:
Azure
New .NET technologies (up to .NET 9, C# 13)
…
Various personal projects for private use or practice, for example:
Small applications against various APIs (e.g. from bitcoin.de, IG, Todoist)
Extracting and displaying information from iPhone backups and third-party apps
…
Languages: C#, PowerShell, Python
Technologies: Azure, .NET Core, .NET 6-9, WPF, MVVM, Blazor, Git, Docker, WSL, Web API, Entity Framework, SQLite, MS SQL Server, …
Tools: Visual Studio 2019-2022, Visual Studio Code, Postman, GitHub, …
Sinius GmbH/Deutsche Bank AG
- Participated in various projects in development, automation, and systems management
Systems Management Consultant
SerCon GmbH
System Developer
SRZ Rheinland GmbH
Summary
- Professional experience since 1995. Initially as a developer at Sparkassen Rechenzentrum Rheinland GmbH, later as a consultant at SerCon GmbH
- Freelance software developer since 1999. Main assignments were: Commerzbank for 12 years, Deutsche Bank for 7 years
- Specialization in Microsoft technologies since 2003
- Fullstack developer focused on Microsoft technologies (C#, .NET Framework up to .NET 9, SQL Server)
- Always up to date through training and personal projects.
Skills
Programming And Scripting Languages
- C# +++
- Powershell, Html, Css, Javascript, Typescript ++
- Python +
Frameworks
- .Net Framework, .Net Core, Asp.net, Entity Framework +++
Application Types
- Asp.net Mvc, Asp.net Core Mvc, Asp.net Core Web Api, Winforms, Wpf, Xunit +++
- Blazor Server ++
Development Tools
- Microsoft Visual Studio, Visual Studio Code, Sql Server Management Studio, Postman +++
Source Control And Ci/cd
- Microsoft Team Foundation Server, Git +++
- Azure Devops +
Methodologies
- Incremental Development, Agile Development (Scrum, Kanban), Oop +++
Patterns And Practices
- Solid, Mvvm, Dependency Injection +++
Databases
- Microsoft Sql Server, Sqlite ++
Others
- Azure, Docker, Wsl ++
Languages
Education
Training as Mathematical-Technical Assistant · Mathematical-Technical Assistant · Germany
Certifications & licenses
AZ-900: Microsoft Azure Fundamentals
Microsoft Certified Solution Developer (MCSD) For Microsoft .NET
Microsoft Certified Application Developer (MCAD) For Microsoft .NET
Microsoft Certified Professional
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