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Nicolas Letang

@nicolasletang

Senior .NET Backend Developer with C#, ASP.NET Core, REST APIs, Azure with 10 Years Experience (8 years in Germany)

At CORHOFI, I developed features to track unpaid invoice statuses through a monthly automated process and manage compliance conditions in debt-collection follow-up.

I also refactored a commission-calculation module and maintained a user-configurable validation module, including writing a procedure for adding variables.

At M&M Software GmbH, I developed the back end of a web-based client-device management tool using C# and T-SQL, and its front end using Angular 13. I also automated deployment scripts with Azure DevOps.

Earlier, at ESG Elektroniksystem-und Logistik- GmbH, I developed features and a configuration-generation tool for TARANIS Battlefield. For a planning and resources management tool, I worked across the back end and front end and developed unit tests.

Experience

Work history, roles, and key accomplishments

Senior .NET Developer

CORHOFI

Jun 2023 - Sep 2025 (2 years 3 months)

Developed a feature to track unpaid invoice statuses with a monthly automated process and manage compliance conditions within a debt collection follow-up process. Refactored a commission calculation module and maintained a user-configurable validation module.

C#VB.NET WinForms TFS Git Azure DevOps ClickOnce SQL

Software Developer

M&M Software GmbH

May 2022 - Jan 2023 (8 months)

Developed a web-based management tool for client devices, including back-end development with C#/T-SQL and front-end development with Angular 13. Automated deployment scripts with Azure DevOps and managed tickets on JIRA.

C#T SQL Angular 13+Azure DevOps Jira

Software Developer

FUNKE Works GmbH (Azubiyo)

Jan 2021 - Apr 2022 (1 year 3 months)

Developed backend with C#/T-SQL and frontend with ASP.NET/AngularJS for Azubiyo.de and the administration tool. Maintained the XML Feed Tool using C#.

C#T SQL ASP.NET AngularJS XML

Software Developer

ESG Elektroniksystem- und Logistik- GmbH

Mar 2016 - Dec 2020 (4 years 9 months)

Integrated new features and maintained existing ones in C#/WPF for the TARANIS Battlefield project. Developed a configuration generation tool and designed icons for GUI with GIMP. For the planning and resources management tool, developed backend with C#/Entity Framework/T-SQL and frontend with ASP.NET/Jquery/React, wrote unit tests, and created SQL Server reports.