Sep 2021 – Present · 4 yrs 8 mos · Amersfoort · Remote

• I help enterprise e-commerce brands increase revenue by improving speed, stability and responsiveness. My work includes UX-Score benchmarking, RUM analysis, front-end observability, and performance-driven optimisation programs.
• Highlights:
• Introduced the UX-Score, now used by Twinkle100
• Improved performance for global brands like Frasers Group
• Delivered conversion increases through performance uplift
• Built advanced monitoring using RUM, BigQuery and Honeycomb

Jul 2020 – Jan 2026 · 5 yrs 6 mos · Amersfoort · On-site

• With Comparizen, you can easily detect any changes in your website's appearance

Sep 2019 – Feb 2021 · 1 yr 5 mos · Veenendaal

Apr 2019 – Mar 2022 · 2 yrs 11 mos · Amsterdam Area, Netherlands

• Member of the Selectives Squad.
• Working on:
• https://www.volkskrant.nl
• https://www.parool.nl
• https://www.trouw.nl
• https://www.demorgen.be
• https://www.humo.be
• https://www.libelle.nl
• https://www.margriet.nl

Oct 2018 – May 2019 · 7 mos · Amersfoort

• Created the front-end for the online platform using VueJs, Vuex, Vue router, Docker, AWS.
• https://www.isalu.nl

Feb 2016 – Mar 2019 · 3 yrs 1 mo · Amsterdam Area, Netherlands

• Tribe: Investments
• Squads: Forward Planning & Kickstarters
• Creating a new on-boarding experience in polymer and lit-html.

Jan 2016 – Mar 2016 · 2 mos · Amersfoort

Dec 2015 – Jul 2018 · 2 yrs 7 mos · Amsterdam Area, Netherlands

• Developing a modulair and scalable front-end using node, gulp, sass, js, html, sc5 based on the itcss & BEM methodology.

Jul 2014 – Jan 2015 · 6 mos · Veenendaal

• Client side development in VAADIN
• SASS, GRUNT, SMACSS, TDD
• HTML, CSS, JS, XSLT, JSP, JSTL, XML, JSON, AJAX

Jun 2014 – Nov 2015 · 1 yr 5 mos · Amsterdam

• Activities:
• Establish Front-end department within Bikkelhart
• Develop work methods for building complex designs and high traffic website.
• Training of Junior & medior Front-end developers
• Sass, Grunt, Gulp, SMACSS, ITCSS
• HTML, CSS, JS, XSLT, JSP, JSTL, XML, JSON, AJAX
• http://www.amersfoort.nl
• http://www.hoyhoy.nl
• http://www.vivatverzekeringen.nl
• http://www.ben.nl
• http://www.aegon.nl
• http://www.bovagautoverzekering.nl
• http://www.arag.nl
• http://www.suzukibaleno.nl

Jun 2013 – Oct 2013 · 4 mos · Utrecht Area, Netherlands

• GX webmanager
• Interactive Forms
• http://www.westlandutrechtbank.nl
• HTML, CSS, JS, XSLT, JSP, JSTL, XML, JSON, AJAX

Nov 2012 – Jun 2013 · 7 mos · Nijmegen Area, Netherlands

• JSP Front-end design in GX webmanager
• http://www.amstelveen.nl
• http://www.nn.nl
• http://www.malmberg.nl
• HTML, CSS, JS, XSLT, JSP, JSTL, XML, JSON, AJAX

Jan 2012 – Nov 2015 · 3 yrs 10 mos · Amsterdam Area, Netherlands

• Building interactive forms in GX Webmanager
• Transforming HTML, CSS, JS into GX Webmanager presentation WCB
• Transforming designs into HTML, CSS, JS

Jan 2012 – Oct 2015 · 3 yrs 9 mos · Amsterdam Area, Netherlands

• Lead of development
• Sales and marketing

Nov 2011 – May 2012 · 6 mos · Amsterdam Area, Netherlands

• JSP Front-end design in GX webmanager
• http://www.blg.nl
• HTML, CSS, JS, XSLT, JSP, JSTL, XML

Mar 2011 – Jul 2011 · 4 mos

• Leading a team for creating JSP Front End Design
• http://www.hi.nl
• HTML, CSS, JS, XSLT, JSP, JSTL, XML

Jun 2010 – Jul 2011 · 1 yr 1 mo

• JSP Front-end design in GX webmanager
• www.nen.nl
• www.amt.nl
• www.snsreaal.nl
• www.regiobank.nl
• HTML, CSS, JS, XSLT, JSP, JSTL, XML

Dec 2009 – Feb 2010 · 2 mos

• worked on several joomla websites
• www.tweedenummer.nl
• www.santander.nl
• HTML, CSS, JS, PHP

Dec 2009 – Dec 2009 · 0 mo

• created templates for a client of ARC/Leo Burnett
• www.fiat.nl
• HTML, CSS, JS

Sep 2009 – Nov 2009 · 2 mos

• JSP Front-end design in GX webmanager
• http://www.deltalloydgroep.com/
• HTML, CSS, JS, XSLT, JSP, JSTL, XML

Jan 2009 – Sep 2009 · 8 mos

• Creating a e-learning application for Springer, one of the world’s leading scientific publishers.
• HTML, CSS, JS, PHP

Dec 2008 – Dec 2008 · 0 mo

• JSP Front-end design in GX webmanager
• http://www.swets.com
• GX webmanager 8
• HTML, CSS, JS, XSLT, JSP, JSTL, XML

Mar 2008 – Jan 2009 · 10 mos

• JSP Front-end design in GX webmanager
• www.healthdirect.nl
• GX webmanager 9.3.4
• www.sensation.com
• www.santander.nl
• HTML, CSS, JS, XSLT, JSP, JSTL, XML, PHP

Nov 2007 – Jun 2008 · 7 mos

• migration website webmanager 8 to webmanger 9
• http://www.elsevier.nl
• HTML, CSS, JS, XSLT, JSP, JSTL, XML

Mar 2007 – Aug 2007 · 5 mos

• Working on a profilehandler between GX webmanager and Reed Business profile system.
• www.bouwkosten.nl
• www.gwwkosten.nl
• www.benokosten.nl
• HTML, CSS, JS, XSLT, JSP, JSTL, XML

Feb 2007 – May 2007 · 3 mos

• Created a shopping site based on AspDotNetStorefront
• http://tuin.blokker.nl
• HTML, CSS, JS, ASP

Dec 2006 – Jan 2007 · 1 mo

• Front-end development for some of Mirabeau's clients
• HTML, CSS, JS

Dec 2006 – Dec 2006 · 0 mo

• Website optimalisation
• www.arag.nl
• HTML, CSS, JS

Nov 2006 – Jun 2021 · 14 yrs 7 mos · Amersfoort

Jun 2004 – Nov 2006 · 2 yrs 5 mos

• JSP Front-end design in GX webmanager
• http://www.planet.nl
• http://www.hetnet.nl
• http://www.oranje.nl
• http://www.digitallifeandstyle.nl/
• http://www.planetvoetbal.nl/
• HTML, CSS, JS, XSLT, JSP, JSTL, XML

Jan 2000 – Jan 2003 · 3 yrs