Freelancer profile translated to English.
Back to original languageAbout Claudio
I am Claudio, founder of smplx. Shopify Technical Partner for D2C brands and B2B requiring explanation. Programming since 2013, focus: Shopify architecture that doesn't run into the next wall after 18 months.
Three dimensions simultaneously: Performance, Design, Conversion. Most developers can do one of them. I build shops where all three interlock.
What this means in numbers:
- J.CLAY Socks (since 2020): +400% revenue growth. Custom Theme, Klaviyo-Recurring.
- BEKATEQ (industrial B2B): 4,400 lines of custom code, 24 templates, 0 external app dependencies.
- Tramontina DE: Shopware migration to Shopify in a multi-agency setup.
- Fairtrade Germany: B2B ordering platform.
- helpyourself: GDPR-compliant webhook integration Shopify ↔ laboratory system.
What you get:
- Shopify OS 2.0 with Metaobjects, Metafields, Custom Logic
- Headless Commerce with Next.js, React, Strapi — when the architecture needs to go beyond theme boundaries
- Performance: Core Web Vitals, LCP under 2.5s, clean markup
- Technical SEO: Schema.org, Hreflang, Crawlability
- API/webhook integrations for ERP and third-party systems
- WordPress with SEO/performance focus, where Shopify isn't suitable
Architecture before code. Transparent via Slack, Git, Staging — no black box. Fixed-price packages or monthly retainer partnership.
If your D2C or B2B Shopify shop is to break through to the next level — or is being held back by app bloat — let's have a 20-minute call. No sales pitch.
German
Native or bilingual
English
Fluent
Spanish
Conversational
Remote only
Primarily works remotely
Experience
- smplx.Shopify ExpertDIGITAL AND ITJuly 2013 - Today (13 years and 1 month)Münster, GermanyIndependent work as a Shopify Technical Partner. Specialization in Shopify architecture for D2C brands and B2B requiring explanation: Custom Themes on OS 2.0, Metaobjects/Metafields-driven data structures, Custom Logic instead of app bloat, international stores with Shopify Markets, API and webhook integrations, performance and SEO optimization. If needed, also Headless with Next.js, React, and Strapi. Model: Fixed-price packages (Foundation starting at €6k, Architecture+ starting at €10k) and monthly retainer partnerships for ongoing development.
- Concrete - Brandbuilding GmbHShop DevelopmentDIGITAL AND ITMarch 2024 - Today (2 years and 5 months)Hamburg, GermanyTechnical Shopify development as an external partner for a Hamburg-based brand building agency. Theme customizations, custom Liquid sections, JavaScript components, performance optimization for client stores. Ongoing collaboration as the technical backbone while the agency is responsible for design and brand.
- TRAMONTINA GERMANY GMBHRelaunch & Shop MigrationE-COMMERCEFebruary 2024 - Today (2 years and 5 months)Köln, GermanyTechnical lead of the relaunch and platform migration from Shopware to Shopify for the German subsidiary of the international cookware brand Tramontina. Theme engineering on Shopify OS 2.0, WCAG 2.1 AA Accessibility, SEO architecture with Schema.org for recipe and product categories, multi-agency coordination with SOLIT Marketing (Lead) and Wedeon (SEO). Clean interfaces between design, SEO, and technical requirements — no internal conflicts between disciplines.
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Education
- International Business and Management StudiesStenden University of Applied Sciences Leeuwarden2011International Business and Management Studies
Certifications
- Google Ads Search AdvertisingGoogle Digital Academy (Skillshop)