The journey of a paper
How the money flows
Where India fits. Much of the production work of the world's journals is done in India: the editing, the typesetting, and the software that manages it all. Indian companies also help researchers whose first language is not English to write their papers. There are many such researchers, in China, Japan, Europe and India itself.

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.
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Continue with Google- Publishers, production and help for researchers
The large publishers
Science on video
Production for publishers
Helping researchers write
Both edit and polish researchers' papers. They also sell publishers tools that screen the papers they receive.
One company covered mainly in another Market Segment also works here:
AI models now help researchers write their papers. They also help people fake them. Paper mills, businesses that sell fake research papers, are one example. Publishers now use AI models to screen submissions for fake data, paper mills and writing done by AI without saying so. At the same time, they offer AI to researchers as a writing assistant. Keeping the scientific record honest is becoming a software problem, and much of that software is built in India.
Who these companies hire, and for what, is on What news, publishing and social media companies hire for.