Tieto has over thirty years of experience in telecommunications. During that time, we have developed a range of applications and become one of the world’s largest outfits of telco professionals. We know this rapidly changing industry like the back of our hand, which means we can pass on to you our extensive know-how, guaranteeing the work we do by using the latest state-of-the-art technologies. Thanks to software developed by Tieto, today in the world there’s a phone call made every second. If you want to come on board, working on projects with a global impact, tell us all about you!