# Davor Pečnik s.p. — Freelance Software Engineering

> Slovenian freelance software engineer (Slovenj Gradec, Slovenia) specialising in
> Shopify development, custom web applications, DevOps/AWS infrastructure, and
> Shopify app development. Serving clients in Slovenia and across the EU.

## Services
- [Shopify Development & Performance | Davor Pečnik s.p.](https://dpecnik.com/shopify-development/): Shopify theme customization, Core Web Vitals optimization, app integrations, and custom features for e-commerce brands across Slovenia and the EU.
- [Custom Web Applications & Dashboards | Davor Pečnik s.p.](https://dpecnik.com/custom-web-apps/): Custom web applications with Node.js and Vue.js — dashboards, automations, API integrations, and billing systems for businesses in Slovenia and the EU.
- [DevOps & AWS Engineering | Davor Pečnik s.p.](https://dpecnik.com/devops-aws/): DevOps & AWS: monitoring, CI/CD pipelines, Docker deployments, backups, and security hardening for teams in Slovenia and across the EU.
- [Custom Shopify Apps & UPNify | Davor Pečnik s.p.](https://dpecnik.com/shopify-apps/): Custom Shopify app development and UPNify — QR code payments inside Shopify order emails for merchants across Slovenia and the EU.

## Portfolio
- [Projects — Shopify, SaaS & Apps | Davor Pečnik](https://dpecnik.com/projects/): Real-world Shopify storefronts, custom SaaS platforms, Shopify apps, and AWS infrastructure I have built or improved for businesses across the EU.
- [Moj Račun — Free Slovenian Invoicing SaaS I Built | Davor Pečnik](https://dpecnik.com/projects/moj-racun/): Moj Račun is a free Slovenian invoicing platform I designed, built, and operate end-to-end: FURS fiscal verification, A4 & POS invoices, customer CRM, and reporting. Node.js, Vue, MongoDB, AWS.

## About
- [Shopify Developer & SaaS Engineer in Slovenia — Davor Pečnik](https://dpecnik.com/): Freelance Shopify developer and SaaS engineer in Slovenia. I build and scale custom Shopify stores, web apps, and AWS infrastructure for growing European brands.

## Blog
- [Blog — Shopify, DevOps & SaaS engineering | Davor Pečnik](https://dpecnik.com/blog/): Long-form technical writing on Shopify performance, DevOps, AWS infrastructure, and software architecture by Davor Pečnik s.p.

## Blog posts (English)
- [How to Migrate from WooCommerce to Shopify Without Killing Your SEO](https://dpecnik.com/blog/woocommerce-to-shopify-migration/): A field-tested playbook for moving a WooCommerce store to Shopify — data export, URL redirects, theme rebuild, and the 90-day post-migration plan.
- [Shopify Tax Setup for Slovenian Merchants: A Developer's Guide](https://dpecnik.com/blog/shopify-tax-setup-slovenia/): How to configure DDV (VAT), OSS thresholds, B2B reverse charge, and invoice numbering for a Shopify store registered in Slovenia. Covers what most apps and consultants miss.
- [Shopify Core Web Vitals Checklist 2026](https://dpecnik.com/blog/shopify-core-web-vitals-checklist-2026/): Practical, theme-level checklist for fixing LCP, INP, and CLS on Shopify stores. The same audit I run before quoting a performance engagement.

## Blog posts (Slovenian)
- [Davčna nastavitev Shopifyja za slovenske trgovce: razvijalčev vodnik](https://dpecnik.com/sl/blog/shopify-tax-setup-slovenia/): Kako nastaviti DDV, OSS pragove, B2B obrnjeno davčno obveznost in številčenje računov za Shopify trgovino, registrirano v Sloveniji. Pokriva, kar večina aplikacij in svetovalcev spregleda.
- [Kako migrirati iz WooCommerce v Shopify, ne da bi ubili SEO](https://dpecnik.com/sl/blog/woocommerce-to-shopify-migration/): V praksi preverjen priročnik za prenos WooCommerce trgovine v Shopify — izvoz podatkov, preusmeritve URL-jev, prenova teme in 90-dnevni načrt po migraciji.
- [Kontrolni seznam za Shopify Core Web Vitals 2026](https://dpecnik.com/sl/blog/shopify-core-web-vitals-checklist-2026/): Praktičen, na ravni teme zasnovan kontrolni seznam za odpravljanje težav z LCP, INP in CLS na Shopify trgovinah. Enak postopek revizije, ki ga izvajam pred ponudbo za optimizacijo zmogljivosti.

## Slovenian Versions
All service, portfolio, and blog pages are also available in Slovenian at `/sl/*` (e.g., https://dpecnik.com/sl/shopify-development/ and https://dpecnik.com/sl/blog/).

## Contact
- Email: info@dpecnik.com
- Phone: +386 41 998 467
- Address: Davor Pečnik s.p., Troblje 44C, 2380 Slovenj Gradec, Slovenia
- Languages: English, Slovenian

## Legal
- [Cookie Policy | Davor Pečnik s.p.](https://dpecnik.com/cookies/): Cookie Policy for Davor Pečnik s.p. Learn how cookies are used on this website, what types of cookies may be set, and how you can manage your preferences.