William Holsbeeks
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William Holsbeeks Email & Phone Number

Senior Software Engineer @Mainsys Belgium at MAINSYS
Location: Mons, Walloon Region, Belgium 9 work roles 1 school
1 work email found @afelio.be LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email w****@afelio.be
LinkedIn Profile matched
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Current company
MAINSYS
Role
Senior Software Engineer @Mainsys Belgium
Location
Mons, Walloon Region, Belgium
Company size
184 employees

Who is William Holsbeeks? Overview

A concise factual answer block for searchers comparing this professional profile.

Quick answer

William Holsbeeks is listed as Senior Software Engineer @Mainsys Belgium at MAINSYS, a company with 184 employees, based in Mons, Walloon Region, Belgium. AeroLeads shows a work email signal at afelio.be and a matched LinkedIn profile for William Holsbeeks.

William Holsbeeks previously worked as Senior Software Engineer at Mainsys and Analyste programmeur at Afelio. William Holsbeeks holds Baccalauréat, Informatique De Gestion, Distinctions from Atc - Promotion Sociale - Section Informatique.

Company email context

Email format at MAINSYS

This section adds company-level context without repeating William Holsbeeks's masked contact details.

{first_initial}{last}@afelio.be
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AeroLeads found 1 current-domain work email signal for William Holsbeeks. Compare company email patterns before reaching out.

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Profile bio

About William Holsbeeks

William Holsbeeks is a Senior Software Engineer @Mainsys Belgium at MAINSYS. He possess expertise in java, microsoft sql server, html5, css, c++.

Listed skills include Java, Microsoft Sql Server, Html5, Css, and 1 others.

Current workplace

William Holsbeeks's current company

Company context helps verify the profile and gives searchers a useful next step.

MAINSYS
Mainsys
Senior Software Engineer @Mainsys Belgium
brussels, brussels hoofdstedelijk gewest, belgium
Website
mainsysgroup.com
Employees
184
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Company profile
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9 roles

William Holsbeeks work experience

A career timeline built from the work history available for this profile.

Senior Software Engineer

Current
Mainsys

Louvain-la-Neuve, Région Wallonne, Belgique

Jan 2024 - Present

Analyste Programmeur

Afelio

Liège, Région Wallonne, Belgique

May 2022 - Jan 2024

Crew Leader

Walibi Belgium

Wavre Bierges, Wallonie, Belgique

Mar 2017 - Nov 2017

Collaborateur Horeca

Walibi Belgium

Wavre Bierges, Wallonie, Belgique

Mar 2016 - Nov 2016

Collaborateur Horeca (Étudiant)

Walibi Belgium

Wavre Bierges, Wallonie, Belgique

Apr 2015 - Nov 2015
Team & coworkers

Colleagues at MAINSYS

Other employees you can reach at mainsysgroup.com. View company contacts for 184 employees →

AW Antoine Wauters Antoine Wauters Colleague at MainsysWezembeek-Oppem, Flemish Region, Belgium, Belgium View → LD Laurent Deligne Laurent Deligne Colleague at MainsysBrussels Metropolitan Area, Belgium View → LS Laurent Schlit Laurent Schlit Colleague at MainsysCharleroi Metropolitan Area, Belgium View → PW Philippe Wilmotte Philippe Wilmotte Colleague at MainsysBrussels Metropolitan Area, Belgium View → AP Aurore Pouplier Aurore Pouplier Colleague at MainsysCharleroi Metropolitan Area, Belgium View → OI Ouedraogo Issoufou Ouedraogo Issoufou Colleague at MainsysBurkina Faso, Burkina Faso View → JD Jonathan Degrelle Jonathan Degrelle Colleague at MainsysBrussels Metropolitan Area, Belgium View → EK Emilie Kilesse Emilie Kilesse Colleague at MainsysOttignies, Walloon Region, Belgium, Belgium View → CD Corentin Dumont Corentin Dumont Colleague at MainsysOttignies-Louvain-la-Neuve, Walloon Region, Belgium, Belgium View → CC Claudette Corfe Claudette Corfe Colleague at MainsysNewcastle, KwaZulu-Natal, South Africa, South Africa View →
1 education record

William Holsbeeks education

FAQ

Frequently asked questions about William Holsbeeks

Quick answers generated from the profile data available on this page.

What company does William Holsbeeks work for?

William Holsbeeks works for MAINSYS.

What is William Holsbeeks's role at MAINSYS?

William Holsbeeks is listed as Senior Software Engineer @Mainsys Belgium at MAINSYS.

What is William Holsbeeks's email address?

AeroLeads has found 1 work email signal at @afelio.be for William Holsbeeks at MAINSYS.

Where is William Holsbeeks based?

William Holsbeeks is based in Mons, Walloon Region, Belgium while working with MAINSYS.

What companies has William Holsbeeks worked for?

William Holsbeeks has worked for Mainsys, Afelio, Thomas & Piron Ict Sa, and Walibi Belgium.

Who are William Holsbeeks's colleagues at MAINSYS?

William Holsbeeks's colleagues at MAINSYS include Antoine Wauters, Laurent Deligne, Laurent Schlit, Philippe Wilmotte, and Aurore Pouplier.

How can I contact William Holsbeeks?

You can use AeroLeads to view verified contact signals for William Holsbeeks at MAINSYS, including work email, phone, and LinkedIn data when available.

What schools did William Holsbeeks attend?

William Holsbeeks holds Baccalauréat, Informatique De Gestion, Distinctions from Atc - Promotion Sociale - Section Informatique.

What skills is William Holsbeeks known for?

William Holsbeeks is listed with skills including Java, Microsoft Sql Server, Html5, Css, and C++.

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