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Martijn Atema

Software Developer

Projects

  • Node.js
  • Fastify
  • TypeScript
  • PostgreSQL
  • Kysely
  • CSS

Expeditie Grensland website

Website for my travel-oriented friend group. Originally just for showcasing trips, but grown to include many features for its members and administration tools.

May 2018 – Now
  • Preact
  • TypeScript
  • MapLibre
  • CSS

TrackBuilder

An application for creating and editing GPS tracks locally in the browser, built as a hobby-project.

Jul 2025 – Now
  • Next.js
  • React
  • TypeScript
  • PostgreSQL
  • Prisma
  • Tailwind

ImagiFolio

A web-based photo gallery made for self-hosting. Built as part of a personal university project, with extra focus on selecting the right technologies for the job.

Jan – May 2024
  • React
  • JavaScript
  • Redux
  • Firebase
  • Tailwind

Bragi3000

In this gamified music selection app, users can battle for their favourite Spotify songs. Built in a small group as part of a course in interaction programming, focusing on front-end frameworks.

Mar – May 2022
  • Arduino
  • Zigbee
  • C++

The Labyrinth

This game began as a university project to encourage physical activity among seniors, but was further developed under a grant from Design United and later demonstrated at the Dutch Design Week in Eindhoven.

Within the team, I focused on the programming and selection of sensors and motors controlled by Arduinos.

Apr – Oct 2016
  • Astro
  • TypeScript
  • CSS

Portfolio site

Welcome! I built this site to show my past and current projects and experience in a neat overview. Built statically for easy hosting and updating, with a custom design and little touches of interactivity.

Sep 2025 – Now

Education

KTH Royal Institute of Technology

MSc. Computer Science (major Software Technology)
Aug 2020 – Feb 2023

Waseda University

Departement of Computer Science and Engineering
Sep 2017 – Feb 2018

University of Twente

BSc. Technology and Liberal Arts & Sciences (major Computer Science)
Sep 2015 – Jul 2020

Experience

  • Ansible
  • Linux

Teaching assistant ethical hacking

KTH Royal Institute of Technology
Sep 2022 – Sep 2023

Secretary (board 4.0)

Study Association Atlantis
Jun 2016 – Jun 2017
  • Python
  • NumPy
  • Matplotlib

Teaching assistant programming & AI

University of Twente
Jan 2016 – Feb 2017