Solution Architect & Developer

1/2020 – 3/2022

Senior Developer responsible for the design and implementation of a Single Sign On (SSO) portal for a centralized and standardized login, connecting various enterprise applications using OAuth protocol and Active Directory Federation Services, MVC Core, Azure DevOps
--C#.NET, MVC Core, Key-Vault, AD, DevOps, CI/DI, OWAPS, SQL-Server, Entity Framework, jQuery, CSS, Docker, OAuth

.Net, Microsoft Azure

1/2010 – 12/2019

-Implementing CI/DI Pipeline with Gitlab and Docker to deploy an API to Kubernetes & creating a hosting environment based on Azure.
--Docker, AKS, GitLab, Web APIs, C#.NET, MVC Core, virtual Networks

-End to end conception and delivery of a Web Portal and App-based Document Management System, for granting approvals, editing forms, digitization of existing micro-workflows based on ASP.NET Core 2, Angular 2, Xamarin Forms, Azure-DB, MS/SQL/Server
--C#.NET, MVC Core, Key-Vault, Blob Storage, AD, DevOps, CI/DI, REST, OWAPS, SQL-Server, Entity Framework, jQuery, Knockout, CSS, Docker, OAuth, Xamarin Forms

-Implementation and administration of Xamarin App to support collaborative and remote work related to Daily Task Management, Work Material and Supplies, Timesheet Management, including Reporting Dashboard for an Electrical services company. Apps were able to sync on and offline across multiple devices and with the central bookkeeping and invoicing system
--C#.NET, Xamarin Forms, Key-Vault, Blob Storage, AD, DevOps, CI/DI, REST, SQL-Server, Entity Framework, jQuery, Knockout, CSS, Docker, OAuth, Microservices


-Development of an online and offline App (C#.NET, WEB API, Azure) for a Real Estate company to digitize their daily operations and property management protocols. Including Media uploads and mini-workflow management
--C#.NET, Xamarin Forms, Key-Vault, Blob Storage, AD, DevOps, CI/DI, REST, SQL-Server, Entity Framework, jQuery, Knockout, CSS, Microservices, OpenID


-Planning and implementation of a Merchandise Management System for recording incoming goods using Scanner technologies to create an inventory overview, monitor current stocks, and repair history of various goods
--C#.NET, MVC Core, Key-Vault, TFS, CI/DI, REST, SQL-Server, Entity Framework, jQuery, Knockout, CSS, DevOps

-Creation of Property Management App for use by multiple user groups (Owners, Employees, Renters, Finance) to streamline annual accounting processes, integrating SEPA payment data and synchronization with MS Outlook appointments and task management functionality
--VBA, SQL-Server

-End to end re-engineering of an intranet portal for Facility Management processes (registering a move, scheduling of resources, task management workflows), including integration with existing SAP processes. Involved high level of stakeholder management and coordinating multiple business partners for the successful implementation of cross-functional platform
--C#.NET, MVC Core, Key-Vault, Blob Storage, AD, DevOps, CI/DI, REST, OWAPS, Open XML, SQL-Server, Entity Framework, jQuery, Knockout, CSS, Docker, OAuth, Functions, SAP

-End to end re-engineering of an intranet portal for Facility Management processes (registering a move, scheduling of resources, task management workflows), including integration with existing SAP processes. Involved high level of stakeholder management and coordinating multiple business partners for the successful implementation of cross-functional platform
--C#.NET, MVC Core, Key-Vault, Blob Storage, AD, DevOps, CI/DI, REST, OWAPS, Open XML, SQL-Server, Entity Framework, jQuery, Knockout, CSS, Docker, OAuth

-Full scale design of Tablet application system for Fire Department, displaying buildings and structures, integrated floor plans, and other necessary data for on-site fire department. The data is organized in a Data Management System which also needed to be designed End to end in order to manage and synchronize the heterogeneous data.
--C#.NET, Blob Storage, AD, REST, SQL-Server, Xamarin Forms

.Net

1/2008 – 12/2009

-Various Access-Databases and Excel-Automatisation
--VBA, SQL-Server

VBA (Visual Basic for Applications)