Kevin Tieman

– Build websites, webshops, AI tooling, and custom software for entrepreneurs; a single point of contact from initial design to live server on own infrastructure. – Developed a production-ready e-commerce template (Next.js 15, Prisma/PostgreSQL, Mollie payments, EU compliance NL/BE/DE) with 25+ data models, reusable for physical product retailers. – Performed Lighthouse/Core Web Vitals audits on Magento 2 webshops and delivered concrete optimization plans; performance improvement from [X] to [Y] points / loading time –[Z]%. – Set up technical SEO trajectories (NL market) with measurable growth in findability: [number] positions / +[X]% organic traffic.

– Monitor and manage the national telephony and server network of a business telecom provider from the Network Operations Center, spread across 3 Dutch data centers (100% green energy). – Install and configure Proxmox clusters and virtual machines on enterprise hardware; recently installed and commissioned new servers for capacity expansion in the data centers. – Renewed the complete FreeRADIUS EAP-TLS certificate chain (CA, server certificates, CRL validation) for secure network authentication. – Automate management tasks with Ansible playbooks and manage business-critical services: MariaDB replication, Mailcow mail infrastructure, and Asterisk/PJSIP telephony. – Promoted from junior to medior within one year.

– Co-owner of a car detailing company in Twente; daily operations with partner, with final responsibility for all IT, marketing, and online visibility. – Built the complete webshop and digital infrastructure myself: website, domain migration while preserving SEO value, email authentication (SPF/DKIM/DMARC), GA4 setup, and online marketing (local SEO, AI-generated ads).

Previously: Data Analyst (internship), Fiwihex, 2021 — data models, quantitative research, and management reports

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