Casper Kuijjer
Staff Engineer at Nationale-Nederlanden
The Hague, South Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolCasper Kuijjer is a Staff Engineer based in The Hague with 13 years of experience building full-stack JavaScript systems, specializing in React, React Native, Node.js, TypeScript and AWS serverless/event-driven architectures. He progressed from hands-on development at Exact—modernising Exact Online and building recommender and real-time messaging platforms—to technical leadership and staff engineering at Nationale-Nederlanden, where he shapes scalable API-first solutions. Comfortable across frontend, backend and cloud, he focuses on developer experience and maintainable architectures that lower long-term costs. An MSc in Artificial Intelligence underpins his inclination to experiment and prototype pragmatic solutions, and he brings a track record of mentoring teams to adopt modern stacks and patterns.
13 years of coding experience
17 years of employment as a software developer
MSc, Artificial Intelligence, MSc, Artificial Intelligence at University of AmsterdamAdelbert college
English, Dutch
Stackoverflow
13,543reputation
1.6mreached
199answers
7questions
twitter-bootstrap
top-1%
word-wrap
top-5%
jquery
top-5%
navbar
top-5%
yarnpkg
top-1%
html
top-5%
Github Skills (88)
twitter-bootstrap10
javascript10
yarnpkg10
html10
bootstrap10
css10
sass10
jquery9
tanstack-react-query9
soap-client9
firebase-database9
navbar9
css-transitions9
dx9
javascript-framework9
Programming languages (8)
Github contributions (5)
ckuijjer/hackernews-client
Nov 2022 - Jan 2023
hackernews-client is a simple client for Hacker News
Contributions:95 commits, 102 pushes, 1 branch in 1 month
firebase-databasereact-nativetanstack-react-query
ckuijjer/alwayskeepsmile.com
Apr 2019 - Jun 2026
Contributions:2 pushes in 7 years 3 months
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