Kristof Polleunis — Professional Profile & ATS CV

Profile

IT professional with experience in web and enterprise application development, medical software support, IT infrastructure and user training.

Combines hands-on development with practical troubleshooting, documentation and customer communication.

Recently designed, developed and shipped RegexPilot, an independent macOS application built with Rust and Tauri.

Also hands-on with Claude, OpenAI and DeepSeek, building AI workflows, agents and reusable skills.

Also thinks in English. Lived in Australia and New Zealand for two years.

Skills

Software development: PHP, HTML, CSS, ASP, Perl, ColdFusion, SQL Server
Modern development: Rust, Tauri, AI integration, desktop application development
AI & automation: Claude, OpenAI, DeepSeek, agent workflows, reusable skills, prompt and tool design
Systems: Linux, macOS, Unix, IT infrastructure
Application engineering: Installation, configuration, troubleshooting, implementation, technical support
Enterprise applications: Intranet platforms, HR applications, billing systems
Medical technology: SimPlant, 3D dental planning, implant libraries, clinical user support
Communication: Technical documentation, training, customer support, multilingual collaboration

Experience

RegexPilot

2026 — present

Independent Software Developer / Founder · Belgium

Designed, built and shipped a macOS visual regex builder using Rust and Tauri.
Integrated AI-assisted drafting with bring-your-own-key and offline local models.
Supports 21 regex engines with live match testing, replacements, unit tests, a pattern library and a two-way VS Code bridge.
Released v1.4 on the Mac App Store; built solo over six months.

Family care

2014 — present

Family Caregiver · Lommel, Belgium

Took a planned career break to provide full-time care for my youngest son, who requires additional support.
Occasional freelance web development and related projects during the care years; completed a full home renovation and returned to independent software development with RegexPilot.

CVOLINO

2013 — 2014

HTML/CSS Trainer · Belgium

Taught HTML and CSS to adult learners, from structure and styling to debugging.

Simply Intense

2013

Freelance ColdFusion Developer · Trinidad & Tobago

Contributed ColdFusion (CFML) development as a freelancer for a Caribbean digital and creative agency.

Resto.be

2012

ColdFusion Developer · Belgium

Hardened the Resto.fr and Resto.lu platforms against SQL and JavaScript injection attacks.

VZW Handicap & ambulante begeleiding

2011

ICT Manager · Belgium

Managed IT infrastructure and support for a non-profit providing guidance to people with disabilities.

Trefpunt Zelfhulp

2010

PHP Developer / Web Application Developer · Belgium

Built an interactive online platform and reporting questionnaire with PHP and MODX.
Designed for users with varying levels of digital confidence.

KU Leuven — Media Centre / CUO

2008 — 2010

ICT Coordinator / Multimedia Trainer · Leuven, Belgium

Managed IT infrastructure, laptops, usability labs and test equipment in the Faculty of Social Sciences.
Delivered multimedia lectures, primarily on website construction.

Materialise

2006 — 2007

Application Engineer / Medical Software Support · Haasrode, Belgium

Maintained SimPlant implant libraries and liaised with implant manufacturers.
Installed, configured and troubleshot 3D dental planning software; supported clinicians and edited the product manual.
Supported product adoption, trials and renewals.

UUNET / WorldCom / Verizon

2000 — 2005

Application Developer · Diegem, Belgium

Developed and rolled out a pan-European intranet and online applications across EMEA, North Africa and the Middle East.
Worked with Unix, Oracle and ColdFusion; applications ranged from HR tools to billing systems.
Coordinated an external development team in India (around 20 people, three principal contacts) and performed analysis and specification for own projects.

Econocom

1999 — 2000

Junior Web Developer / Webmaster · Zaventem, Belgium

Built websites and web applications for clients including INNO and the chocolatier Wittamer.
Worked with PHP, HTML, CSS, ASP, Perl, SQL Server, Flash, Photoshop and Illustrator; maintained the company intranet.

Selected project

RegexPilot — visual regex builder for macOS

Solo product design and development: Rust, Tauri, macOS, AI integration.
Visual railroad-diagram canvas, 21 authentic regex engines, live testing, unit tests and VS Code integration.
Shipped v1.4 on the Mac App Store.
Supporting 21 engines required normalising syntax, feature support and match semantics across implementations.

https://regexpilot.com

Technical note: what supporting 21 regex engines involves →

Education

Master of Industrial Engineering (Biochemistry) — Katholieke Hogeschool Limburg, 1998
Webmaster — VDAB, 1999
ColdFusion fast track — LR Tech, 1999–2000
Active Server Pages 2.0 — BMA, 1999–2000
Linux basics and system administration — Cevora, 2003–2004
PHP — Cevora, 2003–2004
SimPlant — Materialise, 2005–2006
Bedrijfsbeheer — Syntra, 2007–2008
Application developer, mobile applications — Erasmus Hogeschool / VDAB, 2011–2012

Languages

Dutch — Fluent
English — Fluent
French — Fluent
German — Advanced understanding
Spanish — Very basic

Preferences

Open to full-time and part-time roles.
Belgium; on-site or hybrid.
Target areas: IT support, application engineering, software development, IT coordination and medical/technical application support.

This page is the recruiter-friendly version of the portfolio. The main site is an editorial, interactive CV; both share the same verified history.