Nyffels BV Logo

Fullstack Developer

Crafting digital experiences with passion and precision

About me

Driven developer & problem solver

With years of experience in full-stack development, I build robust, scalable applications that excel in user experience. My expertise spans a wide range of modern web technologies and frameworks.

Core values

  • Maintaining high code quality
  • User-centered design
  • Continuous learning
  • Team collaboration

Technical Skills

Frontend

Angular
React / Next.js
Ionic / Capacitor
PHP

Backend

.NET / C#
Node.js
PHP
Python

Database

MySQL
MSSQL
PostgreSQL

APIs & Integrations

GraphQL
REST APIs
OpenAPI
SSE
Webhooks
WebSockets
OAuth
RabbitMQ
Azure Service Bus

Infrastructure

Docker
Bare Metal
Azure
AWS

DevOps

GitHub Actions
Azure DevOps

Projects and engagements

A mix of freelance product work, long-term partnerships and hands-on delivery across web, mobile and business tooling.

Accent Jobs

Nov 2024 - Present

Freelance

Full Stack Developer

Building and continuously improving internal and external web applications and websites that support core business processes.

AngularASP.NETTypeScriptSCSSAzure DevOps

Moosj

Jan 2026 - Present

Own product

Co-founder & CTO

Built Moosj from scratch as a modern fleet tracking platform for trucks, vans and cars, with an open API that lets companies connect their internal software in a simple, universal way. As co-founder and CTO, responsible for the core architecture, technology choices, hardware selection and final technical decisions.

AngularASP.NETPostgreSQLGitHub ActionsDocker

DeskManager

Aug 2025 - Feb 2026

Freelance

Full Stack Developer | Consultant | Software Architect | Team Lead

Investigated the full software setup, from codebase to CI/CD, to identify performance and scalability issues. Proposed a future technical path, implemented improvements where needed and guided the internal team so they could continue the project independently.

BlazorASP.NETMSSQLGitHub ActionsDockerLinux Server

House of HR

Feb 2025 - Apr 2025

Freelance

Mobile Developer

Supported the development of a white-label mobile application during a fixed exchange programme between House of HR and Accent.

IonicAngularCapacitor

Billnado

Oct 2022 - Present

Own product

Founder & Developer

Started as a way to streamline my own freelance invoicing and evolved into a robust pre-accountancy platform with broad functionality and room to scale.

AngularApollo GraphQLNode.jsTypeScriptMySQL

FUROO

May 2023 - Dec 2024

Freelance

Full Stack Developer

Responsible for building and improving the full stack of the web application and its supporting services, with a focus on efficiency, scalability and performance.

AngularASP.NETREST APIsMSSQLDocker

TrimTailor

Mar 2025 - Dec 2025

Project

Full Stack Developer | Consultant

Set up the full project foundation, including the backend, MySQL database and Angular frontend. After the initial build, taught the founder the core backend, database and frontend concepts so they could continue developing the product independently.

AngularASP.NETRabbitMQMySQLDockerLinux Server

Plugzero

Feb 2025 - Jun 2025

Project

Full Stack Developer

Built a simple portal where Plugzero and its customers could follow up installation requests and track their current status throughout the process.

AngularASP.NETMySQLDockerLinux ServerGitHub Actions

Omniflor

May 2025 - May 2025

Project

Glueware Developer | Integration Architect

Built glueware connecting WordPress pages with embedded Angular forms to an internal API. The Node.js API converted submitted data and connected it to internal systems, including Verdesoft, to create discount and gift cards directly in their existing tooling.

WordPressAngularNode.jsREST APIsDocker

Plantenbeurs Wetteren

Sep 2024 - Sep 2024

Project

Full Stack Developer

Built a member portal where members can easily update their own prices and consult prices from other members. The platform helps local members collaborate more efficiently and makes buying and selling easier.

AngularNode.jsMySQL

Belgische vereniging van parkieten en papegaailiefhebbers VZW

Jun 2023 - May 2024

Project

Full Stack Developer

Built an offline desktop administration tool with Electron and Angular, using local JSON data storage for simple backups and transfers. The system replaced a paper-based workflow and made it possible to manage the full administration locally without an internet connection.

ElectronAngularJSON

Verdesoft

Oct 2022 - Apr 2023

Employment

Full Stack Developer

Worked on Verdesoft, a .NET Forms point-of-sale application specialized for the garden sector. Focused on connecting external software and creating a public API, with occasional follow-up consultation and small changes after the regular engagement ended.

.NET FormsASP.NETMSSQL

Furoo

Aug 2020 - Oct 2022

Employment

Full Stack Developer

Worked as a full stack developer on Furoo's pre-accountancy application, building the Angular frontend, ASP.NET backend and MSSQL database-backed functionality.

AngularASP.NETMSSQL

Isomasters

Nov 2017 - Jul 2020

Employment

.NET Developer | System & Network Engineer

Worked as a system engineer managing the server environment and built .NET Forms applications connected to the internal Microsoft Dynamics AX 2009 environment.

.NET FormsMicrosoft Dynamics AX 2009Windows Server