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Jaap Jan Koster Email & Phone Number
Senior Software Engineer
at
25Knots
1 work email found
@jaapjan.nl
3 phones found area 164
LinkedIn matched
✓ Verified Jul 2026
4 data sources
Profile completeness 100%
Current company
Role
Senior Software Engineer
Location
Enschede, Overijssel, Netherlands
Company size
Who is Jaap Jan Koster? Overview
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Quick answer
Jaap Jan Koster is listed as Senior Software Engineer at 25Knots, a with 2 employees, based in Enschede, Overijssel, Netherlands. AeroLeads shows a work email signal at jaapjan.nl, phone signal with area code 164, and a matched LinkedIn profile for Jaap Jan Koster.
Jaap Jan Koster previously worked as Freelance Software Engineer at 25Knots and Co-Founder at Robobot. Jaap Jan Koster holds Bachelor, Information Services And Management from Saxion University Of Applied Sciences.
Company email context
Email format at 25Knots
This section adds company-level context without repeating Jaap Jan Koster's masked contact details.
*@jaapjan.nl
68% confidence
AeroLeads found 1 current-domain work email signal for Jaap Jan Koster. Compare company email patterns before reaching out.
Profile bio
About Jaap Jan Koster
Jaap Jan Koster is a Senior Software Engineer at 25Knots. He possess expertise in drupal, web development, php, css, web design and 11 more skills. He is proficient in Dutch, English and German.
Listed skills include Drupal, Web Development, Php, Css, and 12 others.
Current workplace
Jaap Jan Koster's current company
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3 roles
Jaap Jan Koster work experience
A career timeline built from the work history available for this profile.
Freelance Software Engineer
CurrentAvailable for projects in PHP, Symfony, Drupal and related technologies (MySQL, devOps, Behat, etc.) or managing development teams. Feel free to contact me if you think I can help you with your project.
Oct 2017 - Present
Co-Founder
CurrentRobobot is an intuitive conversational form builder that aims to simplify building forms for complex data collection used in chatbots or surveys.Get in touch for more information.
Aug 2017 - Present
1 education record
Jaap Jan Koster education
FAQ
Frequently asked questions about Jaap Jan Koster
Quick answers generated from the profile data available on this page.
What company does Jaap Jan Koster work for?
Jaap Jan Koster works for 25Knots.
What is Jaap Jan Koster's role at 25Knots?
Jaap Jan Koster is listed as Senior Software Engineer at 25Knots.
What is Jaap Jan Koster's email address?
AeroLeads has found 1 work email signal at @jaapjan.nl for Jaap Jan Koster at 25Knots.
What is Jaap Jan Koster's phone number?
AeroLeads has found 3 phone signal(s) with area code 164 for Jaap Jan Koster at 25Knots.
Where is Jaap Jan Koster based?
Jaap Jan Koster is based in Enschede, Overijssel, Netherlands while working with 25Knots.
What companies has Jaap Jan Koster worked for?
Jaap Jan Koster has worked for 25Knots and Robobot.
How can I contact Jaap Jan Koster?
You can use AeroLeads to view verified contact signals for Jaap Jan Koster at 25Knots, including work email, phone, and LinkedIn data when available.
What schools did Jaap Jan Koster attend?
Jaap Jan Koster holds Bachelor, Information Services And Management from Saxion University Of Applied Sciences.
What skills is Jaap Jan Koster known for?
Jaap Jan Koster is listed with skills including Drupal, Web Development, Php, Css, Web Design, Html, Mysql, and Xhtml.
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