A Shopify development agency writes the code a store runs on: themes, checkout, custom apps, and the integrations behind them.
Makro is a Shopify Plus Premier Partner with a senior in-house engineering team. We architect theme and app code, extend checkout, and connect Shopify to ERP and OMS through Makro Middleware, our integration platform in production since 2014. See the engineering services or the work.
Most Shopify problems that look like marketing problems are engineering problems: slow templates, brittle app stacks, and integrations that drift out of sync.
Layered template patches accumulate into slow pages and unpredictable regressions. We build theme code as a system: structured sections, versioned in git, reviewed before it ships.
Wholesale portals, customer-specific pricing, custom fulfillment logic. When native fields and app-store options stop short, we build private apps against the Admin and Storefront APIs.
An integration is not a launch artifact; it is a system that runs every hour after. Makro Middleware carries retries, error queues, and observability, so inventory and orders stay in sync when a system hiccups.
Custom storefronts on Online Store 2.0: structured sections, metafield-driven content, performance budgets held.
Checkout UI extensions, Shopify Functions, and validation logic where the default checkout stops.
Private apps for B2B pricing, portals, and operational logic, built against the Admin and Storefront APIs.
Shopify connected to NetSuite, Dynamics 365, SAP, Sage, and the rest of the stack through Makro Middleware: retries, replay, and observability included, not bolted on.
Code and integration audits for builds inherited from other teams: what is sound, what carries debt, what to rebuild.
Every theme and app change moves through version control, a staging environment, and review before production. No live-theme editing.
Architecture decisions, integration maps, and runbooks are written down. Your team can operate what we build.
Makro Middleware is our integration platform, in production since 2014. We maintain the platform your integrations run on.
The engineers who build your store maintain it. Context stays in the room instead of leaving with a contractor.
Featured · B2B development & integration
NewPro Containers runs B2B and DTC on one Shopify Plus build: company accounts, customer-specific pricing, and inventory connected to the systems that run the warehouse.
A Shopify development agency writes the code a store actually runs on: theme architecture, checkout extensibility, custom apps, and the integrations that connect Shopify to ERP, OMS, and PIM systems. Makro does this work with a senior in-house engineering team; nothing is farmed out.
Yes. When native fields and existing apps stop short of the requirement, we build private apps against Shopify's Admin and Storefront APIs: wholesale portals, customer-specific pricing, custom fulfillment logic, and middleware-backed sync services.
Yes. Takeovers start with a code and integration audit: theme structure, app inventory, metafield usage, and any custom services. We report what is sound, what carries debt, and what should be rebuilt before we commit to a roadmap.
Yes. ERP integration is core Makro work. We run Makro Middleware, our own integration platform in production since 2014, connecting Shopify to NetSuite, Dynamics 365, SAP, Sage, and the other systems that run the business.
A freelancer writes code; an engineering team owns outcomes. Makro brings code review, staging discipline, documented handoffs, and continuity: the team that builds your store is the team that maintains it. For enterprise work, see the Shopify Plus agency page.
Custom builds, checkout work, app development, integration audits. Book a discovery call and we will tell you what the build actually takes.
