Principal front-end eng. & Team lead
Amsterdam, Oct 2022 - Dec 2025
- β’ Lead a team of three developers
- β’ Support front-end chapter to continuously improve
- β’ Implement automation to support internal packages
π Experience
Lead front-end developer
Amsterdam, Mar 2021 - Sept 2022
- β’ Lead a team of three developers
- β’ Architect and build SDK using ReactJS and ReduxJS
- β’ Optimised documentation using DocusaurusJS
Sr. front-end developer
Amsterdam, Mar 2020 - Feb 2021
- β’ Built new annotator tool with ReactJS and 3rd party renderer
- β’ Investigated and fixed performance and stability
- β’ Trained and coordinated work efforts for other devs
Sr. front-end developer
Amsterdam, Oct 2019 - Jan 2020
- β’ Analysed ReactJS performance issues affecting ad delivery
- β’ Helped deploy milestone release to production
- β’ Highlighted improvements for complex ReactJS rendering issue
Lead front-end developer
Amsterdam, Sept 2015 - Jun 2019
- β’ Architect reader and editor for language learners using ReactJS & ReduxJS
- β’ Built FE for API product offering with subscription, while coaching the team
- β’ Collaborate with the backend team on Docker projects
Founder - fullstack dev (side project)
Amsterdam, Sept 2014 - present
- β’ Develop iOS App with Objective-C
- β’ Build book management system using ReactJS, NodeJS & MongoDB
- β’ Coordinate product marketing and investors
Developer
Bureau BlauwGeel 2014 - 2014CoFounder - Developer
Questionise 2012 - 2014SAP Technical consultant
Accenture 2004 - 2012
π οΈ Skills
ReactJS
10+ yearsNextJS
7 yearsRemix & React Router
5 yearsNodeJS
6 yearsJestJS
10 yearsHTML & CSS
10+ yearsExpressJS
7 yearsGIT
10+ years
BFF (Backend for Frontend)Micro frontendsGitHub ActionsReduxVite & VitestAccessibilityPerformance optimizationSEO best practicesProgressive Web Apps (PWA)Vercel, NetlifyMongoDBDenoAstroJSFresh
π Languages
English
fluent
Dutch
fluent
French
lapsed-to-beginner
Portuguese
beginner
π€ AI Tools
- OpenCode
- Windsurf IDE
- Zed IDE
- Amp
- Antigravity
- Codex
- Gemini
- Claude code
π Education
MSc. Web Marketing and Project management 2011
SKEMA Business school - Sophia Antipolis, FranceSubjects
Project managementplanningstakeholder managementPMI certificationSearch Engine MarketingSocial mediaBachelor Information Engineering 2004
Hogeschool van Amsterdam - Amsterdam, The NetherlandsSubjects
Project managementJavaUMLCommunicationObject Oriented Design
Personal Projects
- Mytoori
A bilingual book app using NodeJS in the backend and NextJS in the front-end. I work on this in my free time mostly for fun.
- blog.mytoori.com
This is where I try to capture some of my knowledge and learning. Itβs built using NextJS and uses MDX for the content, which is stored directly in GitHub.
- giwan.github.io
Personal more technical blog running on AstroJS and deployed with Github Pages. Most recently the focus is on AI Engineering