For small businesses in and around Aarschot

Custom software and web application security.

Need a website or web application built, improved or reviewed? I work directly with small businesses on software that fits the way they work.

Services

Software and security, tailored to your business.

From a new web application to a focused review of an existing one, we agree on the scope and priorities together.

Built for your business

Custom software

Websites and web applications that fit the way your business works.

Custom software

Understand the risks

Web application security

I review your web application for security risks and help you address them.

Web application security

Approach

Clear scope. Thoughtful delivery.

  1. Understand

    We discuss the problem, your existing systems and the constraints that matter.

  2. Define

    I propose the scope, trade-offs and an approach before implementation begins.

  3. Build & hand over

    Implementation, testing and practical documentation, with maintenance discussed up front.

Jonas Quintiens

Your point of contact

One developer.
A direct conversation.

I’m Jonas Quintiens, the developer behind Jo-Qu. I work directly with small businesses on custom web development, security reviews and integrations. You speak with the person who scopes the work, implements changes and explains the handover.

More about my approach

Outside client work

A personal side project.

Alongside my consultancy, I enjoy building and experimenting on personal projects. These are not client case studies.

Browse project archive
Personal side project

Disinfo Defense Kit

A fun educational side project: an interactive toolkit built as a self-contained HTML experience.

Read project notes

Contact

What needs to work better?

Tell me briefly what you want to improve and what is getting in the way today.

Discuss your project