About
Thirteen years of keeping systems running.
Repair bench, field operations, and since 2022 a hospital network that has to work at three in the morning. The software I write comes out of that work.
Experience
- 2022 – presentSystems administrator · Özel Çankaya Tıp Merkezi & Karataş Hastanesi, İzmir
- Windows Server, Active Directory and VMware estate for a hospital and a medical centre
- Network, firewall and endpoint operations; on-call for outages
- Integrations around the hospital information system (HBYS) and its vendors
- First-line to third-line user support for clinical and administrative staff
- 2018 – 2022Technical field manager · Turkcell
- Planning and running installation and fault teams in the field
- Escalation point between customers, technicians and the operator
- 2016 – 2018IT support and technical service · Karhan Hukuk
- Hardware diagnosis and repair; the habit of measuring before replacing started here
- Since 2025Independent software work · DijitalOfisim, İzmir
- Static sites and single-page microsites for two physicians and a small studio, with Google Business and schema markup
- WhatsApp assistant and n8n automation flows prepared as a service; no paying client yet
- paintcheck, the open-source contrast tool described on this site
How I work
- Measure before claiming. If there is no number, I say I do not know.
- Small and shippable. A plan is a list of things that can be shown within a week.
- Write the failures down. The paintcheck changelog lists the measurement bugs before the features.
Tools I work with
- Next.js
- TypeScript
- Node.js
- Firebase
- Cloudflare
- Puppeteer
- GitHub
- n8n
- Windows Server
- Active Directory
- VMware
- Network & firewall