Contact person: OpenCart USPS Module REST Upgrade

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Location: MAJADAR, India

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"We need an experienced OpenCart developer to upgrade our existing USPS shipping module. Currently, we are using the free USPS module available in OpenCart, but it relies on the old API which is now outdated.

Your task will be:

Upgrade the existing USPS integration to the new REST API.

Ensure compatibility with OpenCart version 3.0.3.7.

Test and confirm shipping rates, labels, and functionality are working properly.

Requirements:

Strong experience with OpenCart (3.x preferred).

Proven work with shipping APIs (USPS preferred).

Ability to deliver quickly and reliably.

Timeline: Immediate start, fix required ASAP.
Budget: Please propose a fixed cost along with your timeline.

Note: Only apply if you have prior experience working with OpenCart shipping extensions or USPS API.

Minimum cost is preferred, but quality work and professionalism are a must." (client-provided description)