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Hiring a Shopify app developer: What to know
When should I hire a Shopify app developer?
Hire one when App Store apps cannot handle your logic, overlapping apps are slowing the store, discount or shipping rules need rebuilding as Shopify Functions, or ERP and 3PL data must sync reliably.
What skills should I look for in a Shopify app developer?
Look for fluency in the GraphQL Admin API, webhooks, Shopify CLI, Shopify Functions and checkout UI extensions, plus secure handling of customer data. The best developers also document their work so your team can maintain it.
How much does it cost to hire a Shopify app developer?
Focused custom apps and Shopify Functions typically cost $5,000-$20,000. Complex ERP or 3PL integrations often run $20,000-$50,000+, senior US freelancers typically charge $100-$200 per hour, and upkeep often adds $200-$2,000 per month.
Shopify app developer: What can they do for you
Hire talent- Custom admin apps & tools
- Checkout UI extensions
- Theme app extensions
- Discount & bundle Functions
- Shipping & payment rules
- Cart & checkout validation
- ERP & inventory sync
- 3PL & fulfillment connections
- Subscription & loyalty data
Specialist skills and tasks
Custom App Development
Build private, embedded Shopify apps that give your team admin tools and workflows no App Store app offers.
Shopify Functions Development
Write Shopify Functions for discounts, bundles, shipping and payment rules, including logic rebuilt from retired Shopify Scripts.
Checkout Extensibility
Add upsells, custom fields, delivery messaging and trust content to checkout with upgrade-safe checkout UI extensions.
ERP & 3PL Integrations
Connect Shopify to NetSuite, warehouses and 3PLs so orders, inventory and fulfillment data stay accurate across systems.
Subscription & Loyalty Integrations
Extend subscription, loyalty and reviews platforms with custom logic, webhooks and data syncs that fit how your brand sells.
Multi-store & Listed Apps
Build apps shared across every store your brand runs, or prepare an internal tool for App Store review and listing.
Real results delivered by our app developers
A Fractional Shopify Development Expert for Lexington Bakes
Case Study
Amazing work! Built precisely to the design spec. Super responsive to emails, speedy updates, and thorough work!
A Fractional Shopify Development Expert for Boll & Branch
Case StudyIt’s been very helpful having Luke on the team. We’re able to move faster with confidence.
Storetasker vs everyone else
Common Questions
Still not sure? Book a demo
Should we build a custom app or use an App Store app?
Start with existing apps and Shopify Flow when they cover the need. A custom app makes sense when the logic is unique to your brand, several apps overlap, or monthly fees and slower pages outweigh a one-time build.
What is the difference between a custom and a public app?
A custom app is built for your own store or stores and skips App Store review. A public app is listed for many merchants and must pass review. Pick the distribution method carefully, as switching later is usually not possible.
Do Shopify Functions and checkout extensions need Plus?
Partly. Some Function and checkout extension features are limited to Shopify Plus, depending on how the app is distributed and which checkout steps it changes. Shopify revises these rules over time, so a developer can confirm what your plan supports.
How long does a custom app project take?
A focused app or Function often takes two to four weeks. Integration apps typically take three to six weeks, and complex ERP or multi-system workflows can take two to three months, including testing on a development store.
Who hosts and maintains a custom app?
Most custom apps run on a small cloud server, often $50-$500 per month, while Shopify Functions run on Shopify's own infrastructure. Shopify updates its APIs regularly and retires older versions, so plan for upkeep through a light monthly retainer or occasional projects.
How is our store and customer data kept secure?
A good app developer requests only the API scopes the app needs, verifies webhooks, and keeps credentials out of shared code. Ask for the code to live in a repository your company controls, and remove access when the work ends.
Can an app developer work with our agency or 3PL?
Yes. Experts work directly with your team, agency and vendors over email, Slack and Zoom. On Storetasker you can hire for a quoted project with a set price, timeline and scope, or on a monthly retainer.
