Magento 2 developer needed for checkout customization

Budget: 27000 UAH Deadline: 7 days

For 8000 UAH I would treat this as a technical audit or a very small first step, not the full checkout plus payment plus Hyva plus performance scope. A realistic first delivery for the listed block starts from 30000 UAH and 5-7 working days, depending on the payment module and current checkout state.

I would start with checkout and payment stability, then check Hyva overrides, third-party modules, logs, failed order scenarios, and only after that touch performance. Checkout is the place where small bugs become lost revenue, so !!payment validation and order creation must be tested carefully!! =)

QUestion 1 - which payment provider is used and what exactly fails now - redirect, callback, order status, duplicate orders, or failed payments

Question 2 - is Hyva already live in production, or is this a migration from Luma

Relevant experience
> https://business.ingello.com/prime-eva - e-commerce systems and operational logic around sales processes
> https://business.ingello.com/eva - retail and commerce platform work, close to product and order process complexity
> https://systems-fl.ingello.com - Ingello Systems profile for FLH projects

I can begin with a short diagnostic stage, prepare the change plan, and then implement the fixes without guessing in production. Seems boring, but boring checkout is usually the one that brings money - and my inner architect likes that more than heroic firefighting. Expand

Budget: 8000 UAH Deadline: 5 days

Hello! The vacancy is completely clear. Using the Hyvä theme on Magento 2 is an excellent modern solution that fundamentally addresses the frontend speed issue but requires the developer to have a clear understanding of working with Alpine.js and Tailwind CSS instead of the classic bulky RequireJS/Knockout.js stack.

As a Fullstack developer with extensive experience in optimizing web platforms, working with databases, queues, and complex integrations (including supporting my own high-load and transactional systems), I am ready to take on the stabilization and enhancement of your checkout.

How I will implement tasks for your project:
1. Setting up the checkout process:

I will optimize the checkout steps according to the specifics of your business. If the standard Magento checkout or a custom module (for example, Mageplaza, Amasty One Step Checkout) is used, I will adapt its logic for correct data transmission.

2. Compatibility with Hyvä Themes (Critically important):

Since Hyvä completely replaces the standard Luma frontend, regular checkout and payment modules often "break" due to the lack of Knockout.js support.

I will configure or enhance the compatibility of modules through official Hyvä Compatibility Modules (compatible packages), or I will rewrite the logic of form interactions on Alpine.js so that the UI/UX works reactively and without errors in the console.

3. Fixing payment integration:

I will conduct an audit of the payment gateway (WayForPay, LiqPay, Stripe, PayPal, or others).

I will fix the logic of webhooks and callback sessions so that the order status in the Magento admin (Processing, Pending) changes instantly and correctly immediately after a successful transaction, without losing orders.

4. Performance improvement:

I will set up proper caching of checkout blocks that should not be static, using cacheable="false" only where strictly necessary.

I will check and optimize AJAX requests when changing the shipping address or payment method, so that the customer does not wait for the spinner to load for several seconds. Expand