Andreas G.

Senior Fullstack .NET (Core) & Angular Developer

Erkrath, Germany

Experience

Oct 2023 - Present
2 years
Germany

Senior Fullstack .NET (Core) & Angular Developer

IT Service Provider

  • Assisted an agile team with the new product development of a CRM tool
  • Web frontend development (Angular 17 with MDB-Bootstrap, microfrontends, DDD)
  • Backend development (C# & .NET 7-9, MongoDB, MassTransit, RabbitMQ, ElasticSearch, microservices, DDD)
  • Coordination with stakeholders & product owners
  • Support in sprint planning
Jun 2022 - Sep 2023
1 year 4 months
Germany

Senior Fullstack Developer .NET (Core) & Azure Developer Associate

Compliance Management

  • Developed a cloud-based compliance management solution in an agile team (SCRUM)
  • Set up and used a containerized Kubernetes application infrastructure (Azure AKS)
  • Helped replace an Azure Service Bus solution with Azure RabbitMQ Server (operations & development)
  • Assisted in replacing Auth0/Okta and migrating to KeyCloak (operations & development)
  • Web frontend development (React.js)
  • Backend development (.NET Core 6/7 & Entity Framework & Azure MS SQL databases)
  • Developed automated GitLab CI/CD pipelines with HELM
  • Ensured software quality through unit and integration tests, SonarQube
  • Coordination with stakeholders & product owners
  • Supported sprint planning
May 2021 - Jun 2022
1 year 2 months
Germany

Fullstack Developer .NET (Core) & Angular

Media

  • Assisted an agile team in the further development of a media asset management system
  • Developed a new web-based frontend for media ingestion (SPA, Angular 12)
  • Maintained and updated existing frontends (SPA, Angular 9)
  • Developed and enhanced (micro)services and APIs (.NET 5 & 6, Entity Framework Core, RabbitMQ, Docker, Kubernetes)
  • Developed and enhanced NuGet libraries (.NET Standard 2.1)
Jun 2020 - Apr 2021
11 months
Germany

Senior Backend Developer .NET Core

Trade / Logistics

  • Developed a platform for logistical track & trace processes in trade based on .NET Core and Entity Framework Core
Sep 2019 - Apr 2020
8 months
Emmerich, Germany

Senior Angular Frontend Developer

Industry

  • Developed a roaster management system as a web-based frontend (SPA)
  • Implemented components for roaster configuration (template-driven forms, custom controls)
  • Implemented components for PDF export (pdfmake Angular library)
  • Implemented components for central translation management with export/import (ExcelJS Angular library)
  • Coordinated GUI design with an external design studio
Jan 2015 - Aug 2019
4 years 8 months
Ebikon, Switzerland

Senior Fullstack Developer

Senior Fullstack Developer

  • Further development of a web-based customer portal (ASP.NET Web Forms, HTML, jQuery, AJAX, C#, SharePoint 2010/2013)
  • New development of a web-based planning and design tool (ASP.NET MVC 4, Razor, HTML5, jQuery, C#)
  • New development of cloud-based solutions (Microsoft Azure Cloud & DevOps, ASP.NET Core, Angular, C#, TypeScript, SCSS)
  • Implementation of a service-oriented architecture (SOAP WCF & REST Swagger), on-premise and Azure
  • Web API design and development
  • Database development on MS SQL Server 2012-2016/Azure with T-SQL and CTE
  • Unit test development
Aug 2014 - Dec 2014
5 months
Munich, Germany

Senior Fullstack Developer

Bank

  • New development/maintenance of specific intranet applications
Oct 2013 - Jun 2014
9 months
Ebikon, Switzerland

Senior Fullstack Developer

Industry

  • New development of a company portal (ASP.NET Web Forms, C#, SharePoint)
  • Development of web services for data communication (C#)
  • Database development on MS SQL Server 2012 with T-SQL and CTE
  • Creation of reports with MS SSRS
Jul 2013 - Sep 2013
3 months
Cologne, Germany

Senior Fullstack Developer

System integrator (Security)

  • Frontend development for a new product (WPF, XAML, C#)
  • Design and implementation of the business and data layer in C#
Apr 2013 - Jun 2013
3 months
Hanover, Germany

Application development C#/C++ for Windows embedded systems

Industry

  • Maintenance and further development of components for embedded systems (TVM) in C# and C++
  • Code analysis and performance tuning
  • Creation of unit tests
Aug 2011 - Mar 2013
1 year 8 months
Essen, Germany

Senior Fullstack Developer

Energy Industry

  • Designed and developed a service-oriented architecture for transferring and processing real-time data from connected wind turbines (OPC DA, OPC XML DA)
  • Analyzed, designed, and developed interfaces for aggregated runtime data
  • Maintained and enhanced a Silverlight frontend for process and performance data (Silverlight 4, C#, MVVM)
  • Maintained and enhanced existing interface modules (VB.NET, C#)
  • Managed servers using PowerShell cmdlets
Oct 2010 - Jul 2011
10 months
Düsseldorf, Germany

Senior Fullstack Developer

Bank

  • Replaced an existing banking application
  • Designed and implemented the frontend using Telerik RAD Controls for ASP.NET (MVC 3)
  • Assisted in modeling a new data model based on Entity Framework 4.x
  • Developed web and WCF web services
  • Prototyped the application to be replaced using WPF (XAML, C#, MVVM)
Mar 2007 - Sep 2010
3 years 7 months
Bonn, Germany

Technical Architect & Senior Fullstack Developer

Postal Services

  • Maintained and enhanced a retail application for branch operations
  • Modeled processes and data using ARIS
  • Conducted analysis, conceptualization, and design
  • Developed tools for cross-cutting concerns
  • Migrated C#/.NET from 1.1 to 2.0 and SQL Server from 2000 to 2005
  • Developed in C#/ASP.NET (.NET 2.0-4.0), WCF, WPF, LINQ, JavaScript, Silverlight 3/4
  • Developed automated unit tests
  • Led development and technical architecture
  • Created customer self-service prototypes with Silverlight
Oct 2006 - Feb 2007
5 months
Düsseldorf, Germany

Senior Fullstack Developer

Bank

  • Maintained a Primanota application (VB6, Oracle 8i)
  • Migrated a central application from VB6 to VB.NET 2005 and Oracle 8i to 10g R2
Nov 2004 - Aug 2006
1 year 10 months
Vaduz, Liechtenstein

Backend Developer (Mainframe)

Bank

  • Conducted as-is analysis of existing interfaces for national and international payment transactions (SIC, EZAG, LSV, euroSIC, SWIFT)
  • Created functional and IT technical documentation
  • Developed backend modules using DELTA/COBOL, MQSeries, SQL
  • Created and adapted JCL procedures
  • Coordinated test procedures and environments, test data, module and integration tests
Sep 2004 - Oct 2004
2 months
Bad Homburg, Germany

Test Developer (MS .NET)

Service - Internet

  • Creation of test concepts and test scenarios
  • Development of automated test cases with C#, ASP.NET, VBScript, NUnit
  • Document reviews
  • Test execution (IIS, AD, SQL Server, XML, HTTP)
  • Bug tracking and reporting
  • Load and performance tests with Empirix
Aug 2004 - Aug 2004
1 month
Frankfurt, Germany

Project Management / Development Coach

Service

  • Design of application components
  • Coaching of the development team
  • Project management
  • Support in development
Jun 2004 - Jul 2004
2 months
Düsseldorf, Germany

Test Developer (MS .NET)

Service - Internet

  • Creation of test concepts and test scenarios
  • Development of automated test cases with C# and NUnit
  • Document reviews
  • Test execution (IIS, AD, SQL Server, XML, HTTP)
  • Bug tracking and reporting
  • Load and performance tests with Empirix
Feb 2004 - Mar 2004
2 months
Düsseldorf, Germany

Fullstack Developer

Associations

  • Extension of existing data structures
  • Partial migration and new development on the .NET platform
  • Adaptation of the online help
  • Test planning and execution
  • Setup and packaging of the application
  • User training and support
  • Administration of network and operating system
Oct 2002 - Jul 2003
10 months
Frankfurt, Germany

Test Developer (Mainframe)

Bank

  • Maintenance and implementation of COBOL and Natural applications
  • Module tests with XPEDITOR and FILE-AID
  • Creation of integration test manual (ISO 9001:2000, V-Model)
  • Monitoring of test activities and error reporting
  • Coordination with specialist departments for integration and acceptance testing
Apr 2002 - Aug 2002
5 months
Düsseldorf, Germany

Fullstack Developer

Associations

  • Extension of reporting
  • Integration of queries and stored procedures
  • Extension of user management and online help
  • Automated update checking
  • Test planning and execution
  • Setup and packaging
  • Network and operating system administration
Oct 2001 - Dec 2001
3 months
Düsseldorf, Germany

Fullstack Developer

Associations

  • Extension of reporting and data structures
  • Modification and extension of queries and stored procedures
  • Code optimization
  • Extension of online help
  • Test planning and execution
  • Setup and packaging
  • Network and operating system administration
Dec 2000 - Jun 2002
1 year 7 months
Cologne, Germany

Test Developer (Mainframe)

Telecommunications

  • Quality assurance for software components
  • Review of program documentation and source code
  • Design of tests and test plans
  • Assistance in setting up the automated test bed
Sep 2000 - Jun 2001
10 months
Düsseldorf, Germany

Fullstack Developer

Associations

  • New design of the application (3-tier)
  • Creation of high-level and detailed design, requirements specification
  • Design of data structures, queries, stored procedures
  • Planning and execution of tests
  • Migration from ISAM/VSAM to MS Access and SQL Server
  • Integration of user management, reporting, data import/export
  • Data backup with ZIPlib
  • Online help, setup and packaging
  • Network and operating system administration
Feb 2000 - Nov 2000
10 months
Gütersloh, Germany

Backend Developer (Mainframe)

Service provider/Media

  • Design and development of interfaces for payment data exchange
  • Design and development of reports
  • Project management with clients and banks
Apr 1999 - Jan 2000
10 months
Frankfurt, Germany

Backend Developer (Mainframe)

Bank

  • Development of applications for customer and institute pricing models including history
  • Consideration of commission and fee models
Aug 1998 - Mar 1999
8 months
Düsseldorf, Germany

Backend Developer (Mainframe)

Wholesale

  • Technical analysis of applications and databases
  • Implementation of Y2K adjustments
Aug 1997 - Jun 1998
11 months
Düsseldorf, Germany

Backend Developer (Mainframe)

Wholesale

  • Extension of report functionality and existing interfaces
Jun 1996 - Sep 1997
1 year 4 months
Düsseldorf, Germany

Fullstack Developer

Service Provider

  • Development of the "Universal Converter" project for flexible data conversion
  • Development of a custom scripting language and parser
  • Implementation of interfaces to existing systems
  • Client/server architecture with history tracking and restart options
  • Creation of reports
Apr 1993 - Apr 1995
2 years 1 month
Düsseldorf, Germany

Project Lead

Wholesale

  • Project for automated complaint handling using data transmission techniques
  • Centralized databases, automated checks and decision logic
  • Automatic documentation of all processing steps
  • Interfaces to SAP and logistics systems
  • Creation of reports
  • Configuration options down to user level

Summary

I have built a solid career as a Senior Fullstack .NET and Angular developer, gaining extensive experience in IT, finance, logistics, media, and energy. My background includes agile development of cloud-based solutions, CRM systems, and compliance management tools. I deliver robust and scalable applications using .NET Core, Angular, C#, and modern cloud platforms like Azure.

I understand the full development lifecycle from planning and design through coding and testing. I consistently focus on clarity and efficiency to ensure the products are both high-quality and meet stakeholder requirements. My hands-on expertise and certifications back up my commitment to innovation and reliability in every project.

Languages

German
Native
English
Advanced

Education

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State-Certified Business Economist · Business Informatics

Certifications & licenses

Azure Developer Associate

Certified Trainer (AdA)

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