Gordon Rappange

Full Stack Developer

Career Summary

Gordon Rappange is a seasoned full-stack .NET developer with over fifteen years of experience in software development and implementation. He has worked with several leading IT consultancy firms, including CGI, BT Consulting, and IMN. For the past nine years, Gordon has been operating as an independent .NET consultant. Throughout his career, Gordon has successfully fulfilled a wide range of roles, enabling him to contribute effectively to projects in multiple capacities. His work is characterized by strong dedication, motivation, and a consistent focus on delivering high-quality results. Gordon holds MCAD, MCSD, and Azure Developer Associate (AZ-204) certifications. He has extensive hands-on experience with Microsoft Azure, including cloud application development, Azure integration solutions, serverless architectures, and API-based integrations. His recent work includes developing cloud services, web applications, and mobile solutions leveraging Azure Functions, App Services, Service Bus, and related technologies. He actively maintains and expands his technical expertise by attending industry events such as SDN, Devnology, Microsoft TechDays, and the .NET South Community, and he is an active member of the Agile Meetup Breda.

Work Experience

Senior Software Developer

BDO

2024 - 2025

Maintained BDO Pratice Management portal an internal website for managing projects, hours, crm and invoicing. Introduced and implemented frontend testing with Specflow.

Technologies used:

Azure DevOps
C#
MVC/Razor
SqlServer

Senior Software Developer

Achmea

2021 - 2024

Maintained .NET API's, migrated to .net core and developed an ETL monitoring tool in .net core

Technologies used:

Azure DevOps
C#
MVC/Razor
SqlServer

Senior Software Developer

Amadeus Hospitality

2019 - 2021

Responsible for the development (front and backend) of new functionality in an existing SPA (single page app) Property Management System (Hospitality) hosted in Azure. Part of a scrum team of 10 people including 5 Sr. developers (2 QA and a PO).

Technologies used:

Azure DevOps
C#
Angular
Webpack
HTML/SASS
Sql Azure

Senior Software Developer

Rabobank

2016 - 2018

Responsible for the development of a workflow engine in an existing credit rating system and for the development of the data Warehouse for reporting. Worked in a scrum team of 12 people including seven experienced Sr. developers.

Achievements

UX improvements and improved time consuming creation of risk models

Technologies used:

Vue/javascript
C#
SQL
SQL BI

Senior Software Developer

Abn Amro

2014 - 2016

In a team of four responsible for the development of the prepayment Module of Abn Commerical Finance. A Windows application that handles the handling of applications for asset based (invoices/stocks) loans. In addition, realized a connection to a new core system (Aquarius) through Web services.

Technologies used:

ASP.NET
VB.NET
SqlServer
HPD – Aquarius (factoring ERP)

Senior Web Developer (scrum master)

Sunweb

2014

Responsible of the development of a Gateway tool. This gateway tool (scheduled Windows application) imports accommodations, prices (including discounts), and inventories from vendors (hotels, apartments, camping’s, via XML links) to a central data warehouse of Sundio Group. The data is then exported to the back office system named Davinci. (http://www.bewotec.de/davinci.html).

Technologies used:

ASP.NET
jQuery
HTML/LESS
C#.NET
SQLServer

Senior Web Developer

Visma (Raet)

2012-2013

The current payroll system of the barge made suitable for administration and accountants offices (project). Especially backend development work in C# in a 3-tier architecture with links to various internal (self-service, file online) and external parties (Deloitte, POSTNL).

Technologies used:

ASP.NET
jQuery
EAV database model
C#.NET
SQLServer

Skills & Tools

Frontend

Angular
JavaScript
Node.js
HTML/CSS/SASS/LESS

Backend

C#
OpenAPI
CQRS
OAUTH2.0

Others

Azure DevOps
Azure Integration
SqlServer
Azure AI Foundry
Playwright

Education

Avans Hogeschool

Hogere Informatica

1997
Markenhage Scholengemeenschap

HAVO

1993

Courses

AZ-204

Microsoft Certified: Azure Developer Associate - 2023
MCSD

Microsoft Certified Solution Developer - 2006
MCAD

Microsoft Certified Application Developer - 2006
MS Reporting Services/MS Analysis Services @ Computrain

2005

Language

Interests

Playing Guitar
Snowboarding
Cooking/BBQ