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Shopify engineering that holds up. — Propeller

Shopify Development

Shopify engineering that holds up.

Themes, Functions, checkout extensions, and APIs built like product - not duct tape.

The friction

What's broken

  • Fragile themes break every time marketing wants a change.
  • Apps stacked on apps create debt.
  • Performance and Core Web Vitals are an afterthought.

The move

How we fix it

We build Shopify like product engineers: clean themes, metafields, Functions, and integrations that marketing can actually run.

Proof

How would you like your inbox to be flooded with orders like this?

A working Shopify system does not send slideware. It sends orders - compounding, every day. This is what that looks like before it hits the dashboard.

Gmail inbox filled with Shopify order confirmation emails
Two overlapping inbox windows of consecutive Shopify order notifications, with customer names redacted.

How we engage

Diagnose. Ship. Compound.

  1. 01

    Align

    We clarify the development goal, constraints, and what success looks like in revenue - not vanity metrics.

  2. 02

    Diagnose

    We audit the experience, stack, and growth system against what ambitious brands actually need.

  3. 03

    Build

    Senior team ships the work: storefront, flows, campaigns, or technology - without agency theater.

  4. 04

    Prove

    We measure what moved, then compound. Commerce is a system, not a launch party.

Sonny Robotics — Propeller case study

Sonny Robotics

$1.5m

Read the case

Capabilities

What we bring

  • Custom themes
  • Shopify Functions
  • Checkout extensions
  • Metafields & metaobjects
  • API integrations
  • Performance engineering

FAQ

Do you work on existing stores?

Yes - rebuilds, refactors, and targeted development on live Shopify and Plus stores.

Next

Ready to look inevitable?

Tell us what you need. Real humans. Clear scope. A plan — not a spray of SDRs.

Brief

Start the conversation

Two minutes. We come back with scope, approach, and next steps.

Project brief

Short form. Clear next steps. No generic pitch deck.

Brief or deckOptional

PDF, DOC, PPT, image, or ZIP. Max 8MB.