Janne T.

Senior Shopify Developer | Store Builds, Rebuilds & Theme Systems

I build complete Shopify stores, rebuilds, and custom themes from supplied designs, wireframes, or HTML/CSS. I also provide ongoing technical care for existing stores, including custom Liquid functionality, app and theme troubleshooting, mobile UX improvements, performance work, and production-safe fixes. You get a polished, responsive storefront built around usability, maintainability, and commercial goals. I create flexible Online Store 2.0 sections, blocks, and templates so your team can manage content through Shopify’s theme editor after launch. I’m a Top Rated Plus Shopify developer with 70+ five-star Upwork reviews and experience across 90+ Shopify projects. I’m also a Shopify Partner with 20+ years in IT and a verified Liquid Storefronts for Theme Developers certification. — I CAN HELP WITH — • Complete Shopify store builds, rebuilds, redesigns, migrations, and launches • Custom Shopify themes developed from design files, wireframes, or HTML/CSS • Schema-driven Liquid sections, blocks, product templates, and reusable landing pages • Complex theme customization using Liquid, CSS, and JavaScript • Product pages, collections, and landing pages built for strong mobile usability and clear customer journeys • App integrations, troubleshooting, and lightweight custom alternatives when an app adds unnecessary cost or complexity • Ongoing Shopify maintenance, production debugging, performance optimization, and technical support • Core Web Vitals, technical SEO, structured data, indexing issues, and redirects — SELECTED SHOPIFY RESULTS — • Delivered a fully branded, mobile-optimized Shopify store and Squarespace migration in 10 days • Upgraded a Shopify theme, migrated 1,000 metaobjects, and launched with zero downtime • Reduced tested homepage transfer from 32.46 MB to 7.91 MB by rebuilding responsive hero-video loading — HOW I WORK — You work directly with me throughout the project. I remain responsible for scoping, technical decisions, communication, and final quality. I clarify requirements, identify technical risks early, and explain trade-offs in plain English. Where appropriate, I use preview themes, version control, structured QA, backups, and rollback planning to protect the live storefront. I also build for the people who will manage the store after handoff. When useful, I provide Loom walkthroughs and clear documentation so your team can confidently operate the finished solution. — NEXT STEP — Send your current store URL, design files or project brief, required functionality, and target timeline. I’ll review the material and reply with the likely scope, key risks, and most practical next step.