
SWDev
SWDev - Sebastian Walach
SWDev is a Select Shopify Partner based in BRUNSWICK EAST, Australia offering store build or redesign, store migration, theme customization and 20 other services. It is rated 5.0 out of 5 from 1 review on the Shopify Partner Directory.
About SWDev
Shopify developer and technical consultant with 10+ years’ experience working with established brands and agencies. I specialise in Shopify and Shopify Plus development, rebuilds, migrations, integrations and ongoing support, focused on reliable, maintainable solutions.
Services and pricing
- Store build or redesignPrice on request
- Store migrationPrice on request
- Theme customizationPrice on request
- Website audit and optimization strategyPrice on request
- Headless commercePrice on request
- Ongoing website managementPrice on request
- Systems integrationPrice on request
- Product and collection setupPrice on request
- Store settings configurationPrice on request
- POS setup and migrationPrice on request
- Checkout upgradePrice on request
- TroubleshootingPrice on request
- Custom domain setupPrice on request
- Custom apps and integrationsPrice on request
- Site performance and speedPrice on request
- Search engine advertisingPrice on request
- International expansionPrice on request
- SEOPrice on request
- Sales channel setupPrice on request
- Conversion rate optimizationPrice on request
- Business strategy guidancePrice on request
- Wholesale/B2BPrice on request
- Website and marketing contentPrice on request
Featured work
JSHealth Vitamins
I partnered with JSHealth Vitamins during its rapid growth into a leading wellness brand. Across solution design, theme development, backend integrations and ongoing support, I delivered 200+ tasks in six months, contributing to a 28% lift in conversion rate and a threefold increase in online transactions.
Godiva
I led the redesign and Shopify Plus theme development for GODIVA Australia, translating the luxury brand into a refined, high-performing online experience. The work included custom theme development, advanced integrations and POS setup, helping create a more connected digital and retail experience.
Snooza Pets
Shopify Plus theme rebuild for Snooza Pets, replacing a heavily hardcoded setup with a more flexible and maintainable storefront. Work included navigation, homepage, collections, PDPs, metafields, bundles, cart drawer, Tolstoy and Okendo integrations, Shopify Functions, Custom Shopify apps, plus technical support throughout the rebuild and launch process.
Cancer Council
I partnered with Cancer Council on their Shopify store to improve usability and create a strong, reliable eCommerce platform. The work supported their mission by ensuring customers could easily shop sun safety, skincare, and fundraising products that fund critical cancer research.
776BC
I supported 776BC’s Shopify Plus stores across multiple international markets, focusing on a smooth, high-performance shopping experience. My work included theme development, international selling, integrations and ongoing technical support to help the brand scale reliably across regions.
SoundMerch
Ongoing Shopify development and technical consulting for SoundMerch, including a major theme rebuild, navigation and mega menus, product and collection templates, custom sections, cart drawer functionality, SEO/AEO improvements and a custom Shopify Plus checkout upsell app. Also provide ongoing support and optimisation.
Ratings and reviews
- Quality of work
- 5.0
- Communication
- 5.0
- 5 star1
- 4 star0
- 3 star0
- 2 star0
- 1 star0
- Youth Lab DirectStore build or redesignOct 10, 2026
We've enjoyed working with Seb over the course of a few years. He is a solid professional, decent in his comms and reply times, often finding solutions to complex problems. I would highly recommend.