Jan-Karel Valkema
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Jan-Karel Valkema Email & Phone Number

Java ontwikkelaar at Centraal Justitieel Incassobureau (CJIB)
Location: Enkhuizen, North Holland, Netherlands 11 work roles 2 schools
1 work email found @duo.nl LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email j****@duo.nl
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Current company
Centraal Justitieel Incassobureau (CJIB)
Role
Java ontwikkelaar
Location
Enkhuizen, North Holland, Netherlands
Company size
485 employees

Who is Jan-Karel Valkema? Overview

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

Quick answer

Jan-Karel Valkema is listed as Java ontwikkelaar at Centraal Justitieel Incassobureau (CJIB), a company with 485 employees, based in Enkhuizen, North Holland, Netherlands. AeroLeads shows a work email signal at duo.nl and a matched LinkedIn profile for Jan-Karel Valkema.

Jan-Karel Valkema previously worked as Director / Interim IT engineer at Topvalk B.V. and Software Engineer and Owner at Trinteraction Web Media. Jan-Karel Valkema studied at Nhl Hogeschool.

Company email context

Email format at Centraal Justitieel Incassobureau (CJIB)

This section adds company-level context without repeating Jan-Karel Valkema's masked contact details.

{first_initial}{last}@duo.nl
76% confidence

AeroLeads found 1 current-domain work email signal for Jan-Karel Valkema. Compare company email patterns before reaching out.

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Profile bio

About Jan-Karel Valkema

Een gedreven en doelgerichte IT-specialist met omvangrijke projectmatige ervaring binnen toonaangevende organisaties.Specialties: Java, Spring, Hibernate, AngularJS

Listed skills include Java, Scrum, Spring, Java Enterprise Edition, and 21 others.

Current workplace

Jan-Karel Valkema's current company

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

Centraal Justitieel Incassobureau (CJIB)
Centraal Justitieel Incassobureau (Cjib)
Java ontwikkelaar
leeuwarden, friesland, netherlands
Website
cjib.nl
Employees
485
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Company profile
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11 roles · 21 years

Jan-Karel Valkema work experience

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

Director / Interim It Engineer

Topvalk B.V.

TopValk offers knowledge and capacity. We are specialized in IT.Deployable as IT Engineer for short, middle and long term projects.

Software Engineer And Owner

Trinteraction Web Media

Software Engineer

Aegon

Leeuwarden Area, Netherlands

2005 - Jul 2012

Software Engineer

Qnh
Nov 2007 - Aug 2009

Software Engineer

Logicacmg
Jan 2004 - Oct 2007

Systeembeheerder

Alescon
May 2003 - Dec 2003

Software Engineer

Logicacmg
Aug 2000 - Dec 2002
Team & coworkers

Colleagues at Centraal Justitieel Incassobureau (CJIB)

Other employees you can reach at cjib.nl. View company contacts for 485 employees →

ML Margerita Louwsma Margerita Louwsma Colleague at Centraal Justitieel Incassobureau (Cjib)Leeuwarden, Friesland, Netherlands, Netherlands View → IS Ingrid Sebregts Ingrid Sebregts Colleague at Centraal Justitieel Incassobureau (Cjib)Leeuwarden, Friesland, Netherlands, Netherlands View → MH Mariska Holwerda Mariska Holwerda Colleague at Centraal Justitieel Incassobureau (Cjib)Dokkum, Friesland, Netherlands, Netherlands View → CD Catherina Donkersloot Catherina Donkersloot Colleague at Centraal Justitieel Incassobureau (Cjib)Amsterdam, North Holland, Netherlands, Netherlands View → AZ Aukje Zielinski Aukje Zielinski Colleague at Centraal Justitieel Incassobureau (Cjib)Greater Groningen Area, Netherlands View → AS Anne Sjoerd Bandstra Anne Sjoerd Bandstra Colleague at Centraal Justitieel Incassobureau (Cjib)Leeuwarden, Friesland, Netherlands, Netherlands View → MW Martine Wagensveld Martine Wagensveld Colleague at Centraal Justitieel Incassobureau (Cjib)Greater Groningen Area, Netherlands View → HB Henk Botter Henk Botter Colleague at Centraal Justitieel Incassobureau (Cjib)Greater Groningen Area, Netherlands View → RS Rilana Schaafsma Rilana Schaafsma Colleague at Centraal Justitieel Incassobureau (Cjib)Greater Groningen Area, Netherlands View → TC Tessa Criens Tessa Criens Colleague at Centraal Justitieel Incassobureau (Cjib)Sneek, Friesland, Netherlands, Netherlands View →
2 education records

Jan-Karel Valkema education

Education record

Waezenburg
FAQ

Frequently asked questions about Jan-Karel Valkema

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

What company does Jan-Karel Valkema work for?

Jan-Karel Valkema works for Centraal Justitieel Incassobureau (CJIB).

What is Jan-Karel Valkema's role at Centraal Justitieel Incassobureau (CJIB)?

Jan-Karel Valkema is listed as Java ontwikkelaar at Centraal Justitieel Incassobureau (CJIB).

What is Jan-Karel Valkema's email address?

AeroLeads has found 1 work email signal at @duo.nl for Jan-Karel Valkema at Centraal Justitieel Incassobureau (CJIB).

Where is Jan-Karel Valkema based?

Jan-Karel Valkema is based in Enkhuizen, North Holland, Netherlands while working with Centraal Justitieel Incassobureau (CJIB).

What companies has Jan-Karel Valkema worked for?

Jan-Karel Valkema has worked for Centraal Justitieel Incassobureau (Cjib), Topvalk B.V., Trinteraction Web Media, Iddink Group, and Dienst Uitvoering Onderwijs (Duo).

Who are Jan-Karel Valkema's colleagues at Centraal Justitieel Incassobureau (CJIB)?

Jan-Karel Valkema's colleagues at Centraal Justitieel Incassobureau (CJIB) include Margerita Louwsma, Ingrid Sebregts, Mariska Holwerda, Catherina Donkersloot, and Aukje Zielinski.

How can I contact Jan-Karel Valkema?

You can use AeroLeads to view verified contact signals for Jan-Karel Valkema at Centraal Justitieel Incassobureau (CJIB), including work email, phone, and LinkedIn data when available.

What schools did Jan-Karel Valkema attend?

Jan-Karel Valkema studied at Nhl Hogeschool.

What skills is Jan-Karel Valkema known for?

Jan-Karel Valkema is listed with skills including Java, Scrum, Spring, Java Enterprise Edition, Maven, Junit, Websphere Application Server, and Uml.

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