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Silicon Valley's talent wars are going younger. Bay Area tech companies, already in a fierce fight for full-time hires, are now also battling to woo summer interns. Technology giants like Google Inc. have been expanding their summer-intern programs, while smaller tech companies are ramping up theirs in response—sometimes even luring candidates away from college. Dropbox Inc. plans to hire 30 engineering interns for next summer, up from nine this year, says engineering manager Rian Hunter, who adds the company wants interns to comprise one-third of its engineering team. The San Francisco-based file-sharing company this year dispatched its entire engineering team to recruit at more than a dozen colleges, up from just five schools last year, schmoozing recruits over dinners and through technical talks on subjects like how Dropbox reduces the amount of memory its desktop client uses.   Interns allow you to "try before you buy," says Bump Technologies Inc. Chief Execut...

Silicon Valley mainstays and startups like  Google  and  Dropbox  are hiring tons of interns for this coming summer, the  Wall Street Journal Reports . Dropbox plans to hire three times as many interns for this summer as for last summer. This would make interns one whole third of Dropbox's entire engineering team. Bump Technologies , maker of the popular bump-to-share-your-contact-info app, plans to hire ten interns this coming summer. These interns will make up a pretty large chunk of Bump's 30 employee office. Facebook  plans to hire 625 interns for this coming summer, while Google plans to hire more than a thousand youngsters for summer jobs. So why all the hiring up? Finding and keeping full-time hires is tough enough at a tech company because of rampant poaching, so these companies have been increasingly turning to college students for first-year employees. Most of these companies offer interns around $10,000 for a summer-long gig.