Most of world trade moves by sea, and it passes through four kinds of hands:

The software of this trade is a specialised industry. It includes the forwarder's platform, the customs declaration, the ship manager's ERP and the planning of each voyage. Several of its companies are Indian.
Every company named here has posted software engineering jobs in India. Famous companies that don't actively hire software engineers in India are left out.
This Market Segment has one sub-segment.
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Continue with Google- The forwarders, the customs house and the ships
Back to the container of T-shirts from the start of this Market Segment. Before it can sail, the exporter has to declare it to customs.
The next three work for or as forwarders:
The ships have software of their own. A ship manager is a company that runs ships for their owners, including the crew and the repairs.
Two Indian logistics-software companies complete the list:

One company here is covered mainly in another Market Segment:
A container still travels with dozens of documents, and many are still on paper. The most important is the bill of lading: the receipt for the goods, and the proof of who owns them. Three changes are making the shipment digital. Bills of lading are becoming electronic. Countries are building national single windows, one online place where a trader files every customs document. And AI models now read and check the documents. The forwarders that adopt them compete on speed rather than on phone calls.
Who these companies hire, and for what, is on What supply chain and logistics companies hire for.