Voluum "Don't be a corporate slave" by in-house

Robert Gryn, the founder of Polish ad tech start-up Voluum, has put his face on the largest billboard in Europe, located in Krakow.

The campaign invites job hunters to "Join Poland’s fastest-growing (and sexiest) start-up", as part of the company's recruitment drive for technology arm Codewise.

The work will run in Poland throughout October.

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