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Mark Seinen Email & Phone Number
Senior android developer and tech lead
at
Eneco
1 work email found
@sein-it.nl
1 phone found area 065
LinkedIn matched
✓ Verified May 2026
4 data sources
Profile completeness 100%
Current company
Role
Senior android developer and tech lead
Location
Rotterdam And The Hague, Netherlands, Netherlands
Company size
Who is Mark Seinen? Overview
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Quick answer
Mark Seinen is listed as Senior android developer and tech lead at Eneco, a company with 3338 employees, based in Rotterdam And The Hague, Netherlands, Netherlands. AeroLeads shows a work email signal at sein-it.nl, phone signal with area code 065, and a matched LinkedIn profile for Mark Seinen.
Mark Seinen previously worked as Senior android developer / tech lead at Eneco and Android ontwikkelaar at Io. Mark Seinen holds Software Engineering from Oracle Certified Professional, Java Se 6 Programmer.
Company email context
Email format at Eneco
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*@sein-it.nl
68% confidence
AeroLeads found 1 current-domain work email signal for Mark Seinen. Compare company email patterns before reaching out.
Profile bio
About Mark Seinen
Mark Seinen is a Senior android developer and tech lead at Eneco. He possess expertise in android development, java, web applications, php, mysql and 22 more skills. Colleagues describe him as "Ik heb 10 plezierige maanden samengewerkt met Mark bij de ANWB aan de Wegenwacht app. Mark is erg kundig in zijn vak en weet voor complexe situaties altijd een oplossing te vinden. Wat mij vooral opviel is dat hij bij tegenslagen tijdens de ontwikkeling nooit opgeeft, dat is een sterke eigenschap. Meedenken aan projecten en concepten doet Mark goed, hij weet mensen met respect te overtuigen met argumenten maar is ook voor rede vatbaar. Als laatste wil ik melden dat ik enorm gelachen heb… Show more" and "Ik heb bij ANWB in mijn rol als Product Owner met veel plezier mogen samenwerken met Mark. Mark is wat mij betreft precies wat je het liefste wil van een moderne professionele ontwikkelaar. Naast zeer ruime kennis van zaken is Mark bovendien een persoon die perfect in staat is om mee te denken, zich weet te verplaatsten in de eindgebruiker en dit vervolgens weet om te zetten in feedback die de ontwikkeling van een product daadwerkelijk naar een hoger niveau brengt. Tel hier nog bij op… Show more"
Listed skills include Android Development, Java, Web Applications, Php, and 23 others.
Current workplace
Mark Seinen's current company
Company context helps verify the profile and gives searchers a useful next step.
Eneco
14 roles · 14 years
Mark Seinen work experience
A career timeline built from the work history available for this profile.
Senior Android Developer / Tech Lead
Current
Jan 2021 - Present
Android Ontwikkelaar
Jan 2020 - Oct 2024
Android Ontwikkelaar
Apr 2019 - Jan 2020
Android Developer
Sein-It
Sein-IT is a company specialised in creating software that will meet the customers need. From websites to complex (web)applications. I will work on freelance basis, on location or from my office (home).
May 2008 - Jan 2020
Android-Ontwikkelaar
Sep 2018 - Mar 2019
Android Developer
Building the new AD news app from the ground up. using technologies like React Native, kotlin, rxjava/rxandroid, bitrise. Also managed the (beta) releases to the Google Play Store.
Oct 2017 - May 2018
Android Developer
Development on the onderweg and wegenwacht apps. Working in an agile team with every month a new release. Worked with: android SDK, rxjava/rxandroid, dagger 2, retrofit, butterknife, kotlin, jenkins
Sep 2016 - Aug 2017
Android Developer
Building and maintaining software for multiple android applications, including an electronic client dossier application.Worked with: Android studio, Realm.io (local encrypted storage), Retrofit, RXJava, butter knife, Picasso/Fresco image loading.
Aug 2015 - Jul 2016
Android Developer
Linckit
Building an android application to find new apps based on the social network of the user
Mar 2015 - Jul 2015
Software Developer
Sanoma Media
Creating and maintaining the desktop, mobile and tablet website for startpagina.nl.
Sep 2013 - Jan 2015
Webdeveloper
Xs4All
2012 - 2013
~1 yr
Software Engineer
Microweb Edu B.V.
Microweb Software has a highly advanced content management system, mainly used for creating educational books. My project is the ordersites where the teachers and students order these books. The books are created by printing on demand, so comunication with different printingcompanies is a part of the job. My task is to automate the complete process from.
Jan 2004 - Aug 2008
Software Engineer
Microweb Software B.V.
Worked mainly on a project called 'Webglue'. A java application for the backend and webbased ordersites attached to it. The main idea was to create an application which attached all the active projects of the company and be able to let the world use the websites to search, view and/or order the products (mainly cars, books and real estate)
Jun 2001 - Dec 2003
Team & coworkers
Colleagues at Eneco
Other employees you can reach at eneco.nl. View company contacts for 3338 employees →
MH
Marnix Heijboer
Colleague at Eneco
Amsterdam, North Holland, Netherlands, Netherlands
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SD
Sacha De Koning
Colleague at Eneco
Gelderland, Netherlands, Netherlands
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RH
Ria Heezen
Colleague at Eneco
The Randstad, Netherlands, Netherlands
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AI
Anita Ietswaard
Colleague at Eneco
The Randstad, Netherlands, Netherlands
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AK
Arm K.
Colleague at Eneco
Amsterdam, North Holland, Netherlands, Netherlands
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DG
Daniel Germani
Colleague at Eneco
The Randstad, Netherlands, Netherlands
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VD
Viki Dt
Colleague at Eneco
Antwerp, Flemish Region, Belgium, Belgium
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YP
Yvonne Peter
Colleague at Eneco
The Hague, South Holland, Netherlands, Netherlands
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SD
Sara De Lima
Colleague at Eneco
Capelle Aan Den Ijssel, South Holland, Netherlands, Netherlands
View →
SF
S.D.J. Fluit
Colleague at Eneco
The Randstad, Netherlands, Netherlands
View →
Marnix Heijboer
Colleague at Eneco
Amsterdam, North Holland, Netherlands, Netherlands
View →
SD
Sacha De Koning
Colleague at Eneco
Gelderland, Netherlands, Netherlands
View →
RH
Ria Heezen
Colleague at Eneco
The Randstad, Netherlands, Netherlands
View →
AI
Anita Ietswaard
Colleague at Eneco
The Randstad, Netherlands, Netherlands
View →
AK
Arm K.
Colleague at Eneco
Amsterdam, North Holland, Netherlands, Netherlands
View →
DG
Daniel Germani
Colleague at Eneco
The Randstad, Netherlands, Netherlands
View →
VD
Viki Dt
Colleague at Eneco
Antwerp, Flemish Region, Belgium, Belgium
View →
YP
Yvonne Peter
Colleague at Eneco
The Hague, South Holland, Netherlands, Netherlands
View →
SD
Sara De Lima
Colleague at Eneco
Capelle Aan Den Ijssel, South Holland, Netherlands, Netherlands
View →
SF
S.D.J. Fluit
Colleague at Eneco
The Randstad, Netherlands, Netherlands
View →
3 education records
Mark Seinen education
Software Engineering
Oracle Certified Professional, Java Se 6 Programmer
Php 5.3
Zend Php 5.3 Certified Engineer
Software Engineering
FAQ
Frequently asked questions about Mark Seinen
Quick answers generated from the profile data available on this page.
What company does Mark Seinen work for?
Mark Seinen works for Eneco.
What is Mark Seinen's role at Eneco?
Mark Seinen is listed as Senior android developer and tech lead at Eneco.
What is Mark Seinen's email address?
AeroLeads has found 1 work email signal at @sein-it.nl for Mark Seinen at Eneco.
What is Mark Seinen's phone number?
AeroLeads has found 1 phone signal(s) with area code 065 for Mark Seinen at Eneco.
Where is Mark Seinen based?
Mark Seinen is based in Rotterdam And The Hague, Netherlands, Netherlands while working with Eneco.
What companies has Mark Seinen worked for?
Mark Seinen has worked for Eneco, Io, Allianz, Sein-It, and Nuon.
Who are Mark Seinen's colleagues at Eneco?
Mark Seinen's colleagues at Eneco include Marnix Heijboer, Sacha De Koning, Ria Heezen, Anita Ietswaard, and Arm K..
How can I contact Mark Seinen?
You can use AeroLeads to view verified contact signals for Mark Seinen at Eneco, including work email, phone, and LinkedIn data when available.
What schools did Mark Seinen attend?
Mark Seinen holds Software Engineering from Oracle Certified Professional, Java Se 6 Programmer.
What skills is Mark Seinen known for?
Mark Seinen is listed with skills including Android Development, Java, Web Applications, Php, Mysql, Jquery, Web Development, and Javascript.
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