Gersom van Ginkel



Iā€™m an Amsterdam-based freelance full-stack JavaScript developer that is looking for challenging projects with social or sustainable impact.



Jul 2021 - Now

Building a new app that serves accurate charge point availability and prices to electrical vehicle drivers.

  • React Native
  • Mapbox
  • TypeScript
  • Detox


Jan 2022 - Now

Working on improving the Veggie Challenge app.

  • React Native
  • TypeScript


Aug 2020 - Jan 2022

Built a developer SDK and CLI for use in the development of fullscreen WeTransfer ads. Ads built with this tooling generated billions of ad impressions.

  • Node
  • Shell
  • Svelte
  • Storybook


Aug 2018 - Jan 2022

I built the mobile app Plenty in my free time, in order to help people in the Netherlands with finding vegan products in the supermarket. The app is not available for download anymore, because supermarkets and brands have gotten better at labeling their vegan products.

  • Express
  • Postgres
  • Objection
  • REST
  • React Native
  • Expo


Apr 2020 - Jul 2020

Worked on the mobile app for MSCHF.

  • AWS Lambda
  • Postgres
  • Prisma
  • Apollo
  • React Native
  • Jest
  • Detox


Jan 2020 - Feb 2020

Built a web platform for a project of FMO.

  • Contentful
  • React
  • Gatsby


May 2018 - Feb 2020

Polder was an internal communication tool for companies. As a general development lead, I built the front end from its first prototype to what it was when launching.

  • REST
  • React
  • TypeScript
  • Next
  • Slate
  • Redux
  • Jest


Apr 2019 - Jun 2019

Shleep is an employee sleep improvement app. I built a management dashboard with data visualizations.

  • Apollo
  • React
  • Victory

De Persgroep

Oct 2017 - Jul 2018

Algemeen Dagblad is one of the biggest Dutch newspapers. I was responsible for implementing the video feed in their new app. Together with native iOS and Android developers we built a custom video SDK.

  • REST
  • React Native
  • Redux
  • Video


May 2017 - Sep 2017

During my time at this digital agency, I built a movie on demand platform for, a kiosk app for Fairphone, and a host-customer chat into the CityHub app.

  • Postgres
  • Wordpress API
  • REST
  • React
  • VHX (Vimeo)
  • Adyen
  • Feathers
  • React Native
  • TypeScript

Label A

Nov 2016 - May 2017

During my employment at this digital agency, I worked on projects for Porsche24, Aedes Magazine, and

  • React
  • Redux (Sagas)
  • MediumEditor



During my bachelors I worked part time on a tool for Agro4all that provided a database of crop protection policies, amongst several other projects.

  • Angular 1
  • jQuery
  • React



As a final project of my pre-university education, I built the front-end for a SAAS membership admin system for churches.

  • Twig
  • jQuery




University of Amsterdam
Bachelor of Science, Medical Informatics - Cum Laude



Erasmus University Rotterdam
Bachelor of Science, Medicine - Unfinished

Calvijn College Goes
Best Dutch high school in 2008 and 2009 (Elsevier)