David Tolsma
User Experience And Developer at Siemens PLM Software
Detroit Metropolitan Area United States
Summary
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SeniorDavid Tolsma is a seasoned user experience engineer and developer with 15 years of experience designing and building web applications, currently focused on Ruby on Rails, SCSS, and Git. Based in the Detroit area, he has spent much of his career at Siemens PLM Software where he bridged product definition, UX consistency, and hands-on front-end development across complex PLM systems. At Invicara he led front-end development and refined UX for a BIM startup, showing an ability to move between enterprise and startup contexts. His background includes deep domain experience with Unigraphics NX and Teamcenter, having implemented, customized, and supported CAD/PLM tooling for automotive and industrial clients. He combines practical engineering—C/C++ tooling and build systems earlier in his career—with modern web UX practices, making him effective at translating legacy product workflows into cohesive, user-centered interfaces. David’s long tenure across consulting and product roles suggests a knack for shipping pragmatic solutions that balance user needs with engineering constraints.
15 years of coding experience
15 years of employment as a software developer
Stackoverflow
39reputation
4kreached
0answers
5questions
Github Skills (31)
wysiwyg10
rich-text-editor10
text-editor9
javascript9
json9
rest9
api9
rest-api8
microsoft-word8
editor8
rails8
ruby8
activerecord6
ruby-on-rails6
state-machine6
Programming languages (3)
Github contributions (5)
davidtolsma/Teamcenter-projects
Nov 2010 - Apr 2012
Contributions:3 commits in 1 year 4 months
davidtolsma/scss
Nov 2015 - Oct 2017
Contributions:1 push, 1 issue in 1 year 11 months
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