{"product_id":"custom-shopify-app-microservice-development","title":"Custom Shopify App \u0026 Microservice Development","description":"\u003cp\u003eWhen an app store search comes up empty, Symmetry Commerce builds it: custom Shopify apps, Shopify Functions, checkout extensions and hosted microservices that make the platform do exactly what your business model requires. Custom development engagements start at $10,000.\u003c\/p\u003e\u003ch2\u003eWhat’s included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePre-order and selling-plan engines with card vaulting, mixed carts, declined-card handling and card-update flows\u003c\/li\u003e\n\u003cli\u003eCustom promotion logic with Shopify Functions: gift-with-purchase, BOGO, tiered promotions, automated and conditional discounts, and promotion recalculation on returns\u003c\/li\u003e\n\u003cli\u003eProduct configurators, waitlists, allotment and place-in-line inventory experiences\u003c\/li\u003e\n\u003cli\u003eConditional shipping logic, donation modules, personalization scripts and metafield tooling\u003c\/li\u003e\n\u003cli\u003eWorkflow automation with Shopify Flow: hidden-SKU call lists, draft-order workflows and email masking\u003c\/li\u003e\n\u003cli\u003eManaged hosting for your microservices with a perpetual license — we run the infrastructure, you own the outcome\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eHow we work\u003c\/h2\u003e\u003cp\u003eEvery custom feature starts with a written solution design (PRD) and ships through code review, staging UAT and acceptance criteria in a Schedule A. Reusable microservices are hosted and maintained by us under a transparent monthly hosting fee, so custom code never becomes orphaned code.\u003c\/p\u003e\u003ch3\u003eProven results\u003c\/h3\u003e\u003cp\u003eRecent builds include a pre-order engine with vaulted cards and a promotion-recalculation service for an enterprise collectibles distributor, a product configurator for an outdoor-gear brand, custom conditional-discount functionality for an optics manufacturer, and a custom discount app delivered for $5,775.\u003c\/p\u003e\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\u003ch3\u003eCustom app or app-store app?\u003c\/h3\u003e\u003cp\u003eWe always check the app store first — app research and recommendation is part of discovery. Custom only wins when it is cheaper over 3 years or the capability simply doesn't exist.\u003c\/p\u003e\u003ch3\u003eWho owns and maintains the code?\u003c\/h3\u003e\u003cp\u003eYou receive a perpetual license; we host and maintain microservices under managed hosting so upgrades and Shopify API changes are handled.\u003c\/p\u003e\u003ch3\u003eWhat does custom Shopify development cost?\u003c\/h3\u003e\u003cp\u003eFocused features start around $5,000–$10,000; complex engines (pre-orders, portals, promotion systems) are scoped and fixed-bid from the solution design.\u003c\/p\u003e\u003cp\u003eReady to talk? \u003ca href=\"https:\/\/symmetrycommerce.com\/pages\/contact\"\u003eContact Symmetry Commerce\u003c\/a\u003e for a scoped proposal with a fixed budget, timeline, and itemized deliverables — no vague estimates.\u003c\/p\u003e","brand":"Symmetry Commerce","offers":[{"title":"Default Title","offer_id":71803329576982,"sku":"SYM-DEV-001","price":10000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2510\/0452\/files\/image_6e732ad2-bd6b-44b3-bec6-52aa5ebdc020.png?v=1783095849","url":"https:\/\/symmetrycommerce.com\/products\/custom-shopify-app-microservice-development","provider":"Symmetry Commerce Inc.","version":"1.0","type":"link"}