Betting on sport abroad. In Britain, much of Europe and many American states, online betting on sport is legal and regulated. A betting company, called a sportsbook or bookmaker, sets the odds on each result, takes bets and pays the winners. It earns because the odds are set so that, across all bets, it pays out a little less than it takes in. More and more bets are now placed during a match, on the next ball or the next goal. This is called in-play betting.
What runs a sportsbook

Games of skill in India. Indian law long treated games of skill differently from gambling, which depends on chance. On that basis, fantasy cricket, rummy, poker and paid tournaments grew into one of India's largest consumer internet industries. The platforms earned a fee from the entry money of each contest. Then the Promotion and Regulation of Online Gaming Act of 2025 banned online games played for money across the country, whether of skill or of chance. The same law supports esports, organised competitions in video games, and social games played without money. Indian platforms have had to move to free games.

This Market Segment covers both sides: global betting companies building in India, and Indian real-money platforms that the law has forced to change.
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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Sports betting abroad
Tournaments for cash prizes
Indian games played for money, now changing
The 2025 law has pushed all three towards games that are free to play.
Two companies covered mainly in another Market Segment supply the data that bets are priced on:
Betting is moving from the result of a match to the next ball, the next point and the next pass. AI models, fed on live data, set the odds in real time. The same AI models are being asked to spot the player whose betting has become a problem. Where betting is legal, the two uses grow together. In India, the 2025 law has taken the question off the table for games played for money.
Who these companies hire, and for what, is on What gaming companies hire for.