That app is an online marketplace: a website or app on which millions of sellers list their goods, and millions of buyers search, pay and wait for delivery. What a marketplace really sells is a set of services, and each one is software:
- the search
- the recommendation
- the price
- the payment
(More on it in Market Segment 17.2, Payment gateways, in Industry Vertical 17, Payments.) - the tools for sellers
- the promise of delivery
(More on it in Market Segment 30.5, Last-mile delivery and shipping software, in Industry Vertical 30, Supply chain and logistics.)

Much of the software behind the world's marketplaces is written in Bengaluru.
This is the first Market Segment of Domain VII, E-commerce, travel and logistics. It begins with the places people buy.
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. Amazon, the largest marketplace, is covered elsewhere.
This Market Segment has two sub-segments. The first covers the global marketplaces that build their software in India. The second covers India's own marketplaces.
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Continue with Google- The global marketplaces
- India's own
Back to the search for running shoes from the start of this Market Segment. The search box you typed into may have been built in Bengaluru, for a marketplace in America, Europe or Asia.
Now the same shoes, bought from an Indian marketplace. India's own marketplaces are built in the same city, Bengaluru.

One company here is covered mainly in another Market Segment:
The marketplace's search box is becoming an assistant. The shopper describes what they want, in their own language, and an AI model finds it, compares it and answers questions about it. India's marketplaces are building assistants in Hindi and other Indian languages, for buyers who have never typed a search. The global marketplaces are adding AI agents that buy on the shopper's behalf. An AI agent is software that uses a language model, the kind of AI behind chatbots, to take actions on its own.

Who these companies hire, and for what, is on What e-commerce and D2C brands companies hire for.