Jeroen Derks

Browser extension and mail add-on that shows each link's real destination, so a phishing mismatch is plain to see. Runs entirely locally, no tracking.

A satirical consultancy for codebases damaged by over-use of AI autocomplete, with diagnostic criteria and an anonymous assessment tool.

Website and CMS for a local bar's menu, events and DJs, hosted on CloudFlare Pages with a Worker handling the contact form.

Digital marketplace connecting farmers directly with distributors: real-time price updates, localized single-province marketplaces, fewer intermediaries.

Artisan command that validates every Blade template by compiling it to PHP and checking for syntax errors, without executing it. Multi-process and CI/CD-friendly. Nearly 600,000 installs.

Fintech opening private equity to individual investors. Bootstrapped front and back end from scratch to first onboardings within months: sign-up and investment flow, KYC, digital contract signing, DevOps and automated deployments.

Private-cloud provider. Authentication and authorisation API, a task-queue library, VMware management tooling, drivers for Cisco/Force10/Arista network equipment, and NAS/datastore management.

A tool to scan servers regularly for unwanted processes. Featured on Linux.com at the time.

Magento extension for accepting a licence agreement on a specific product.

iDEAL integration for online payments, a server uptime page on the Pingdom API, a management tool for affiliate snippets, and enabling a new product line.

Smartjobs, the new internal vacancies site, built together with the product owner, an interaction designer, design agency Luyfel, IT infrastructure and the hosting provider.

Screenshot shows the public abnamro.nl of the period — Smartjobs itself was internal.

Part of the development team behind the TomTom website. Built an Apache authentication module based on mod_auth_tkt, and improved the application framework.

Built an application framework as the basis for new applications and re-implemented the site's registration and authentication on top of it. A crystal-box audit of the code found no critical problems, praising its “almost perfect input validation”.

Part of the development team, responsible for multiple projects across the website and its maintenance.