Development and deployment of a Shopify application (Portmone + Nova Poshta)
178 USD Description:
We are looking for an experienced Shopify app developer to complete, enhance, and deploy our partially implemented custom storefront app.
Current status:
The Shopify app is already set up in development mode.
Some functionality has already been implemented.
Integration with Portmone has already been partially implemented but requires verification and refinement.
Tasks:
Integration with Portmone:
Verify and complete the existing implementation of the Portmone payment system.
Ensure stable operation and complete testing before production.
Integration with Nova Poshta delivery service:
Add support for delivery via Nova Poshta API
Automatic loading of branches/parcel lockers during the checkout process
Ability for the customer to choose the delivery method in the custom storefront
Generation of shipping documents and transfer of orders to the Nova Poshta personal account (if the key is available)
Referral system:
Implement a referral system where users can invite others and receive bonuses (discounts, coupons, etc.).
Track invitations through unique links or codes.
Display referral statistics in the user's personal account.
Completion of Shopify app development:
Finalize functionality (both front-end and back-end).
Check compatibility with Shopify requirements (even if the app will be private).
If necessary, enhance the user interface.
Deployment:
Assist with deploying the app to the production environment.
Set up all necessary webhooks, APIs, and behavior of the embedded app.
Ideal candidate:
Has experience in developing custom apps for Shopify (public or private).
Well acquainted with Shopify Polaris, REST/GraphQL Admin API, and Embedded App SDK.
Preferably has experience integrating with Portmone or similar payment services.
Understands the principles of building referral programs.
Results:
A fully functional Shopify app ready for operation.
Payments through Portmone work correctly.
The referral system is implemented and tested.
Clean, documented code.
Instructions for deployment and usage.
In your application, please specify:
Experience in developing Shopify apps (links, screenshots are welcome).
Estimated timelines for project completion.
Questions or clarifications regarding the task description.
We are waiting for a specialist who can successfully complete the project and bring it to production.
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21 days178 USD
605 2 0 21 days178 USD
Alexander, good day
We specialize in developing custom Shopify applications fully compliant with Shopify requirements, even for private use.
Your request includes several integrations and the completion of important features — and we have real experience with all these tasks: Portmone, Nova Poshta, referral mechanics, custom storefront, Shopify Embedded SDK.
What will be implemented:
1. Portmone payment integration
…
Review and refinement of already implemented code
Full testing of payments in sandbox and live modes
Handling responses, statuses, errors, and retries
2. Delivery via Nova Poshta
Integration with API (including updating the list of branches and parcel lockers)
Selection of delivery method during checkout
Generation of TTH and transfer to the NP cabinet via API
3. Referral system
Generation of unique codes/links
Storing invitation information
Displaying statistics in the user cabinet
Issuing coupons or discounts according to the rules
4. Completion of the application
Refinement of frontend and backend logic
Implementation of Embedded App SDK, Polaris
Setting up all webhooks, configuring OAuth (if needed)
Documentation, deployment, and preparation of instructions
Timeline:
Approximately: 3–4 weeks
Ready to work in sprints with progress demonstrations
Examples of Shopify applications:
We can provide links, GIF recordings, and a brief description upon request (privately, through NDA)
Additionally:
The code will be optimized, structured, and documented
If needed — consultation on application architecture or hosting recommendations (Node.js / Next.js / Serverless)
Ready to discuss your stack, existing implementation, and propose the most effective plan for project completion.
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