Unlock stock picks and a broker-level newsfeed that powers Wall Street.
Online fashion retailer Zalando embraces "chaos" to stay ahead

* Founded in 2008, Zalando now employs 10,000

* More autonomy introduced to keep tech staff motivated

* New app developed twice as fast under new management philosophy

* Freer employees can boost revenue, morale-Detecon

* Zalando set to hire another 1,000 people this year

By Emma Thomasson and Caroline Copley

BERLIN, April 7 (Reuters) - When Europe's top online-only fashion retailer Zalando decided to overhaul its app to exploit mobile sales, it reaped the benefits of a new management philosophy that gives tech staff much more autonomy.

Its software designers and developers were able to set goals with two to four week deadlines because progress was not held up waiting for managers to approve decisions. Who did what and when was up to them.

The result was a slick new app, with bigger photographs of fashion items, mobile-only content and a new swipe feature, launched in under three months. That was twice as fast as would have been expected under old methods, Zalando said.

It calls the new philosophy "radical agility", building on the "agile" software development method that has become popular in Silicon Valley.

"We didn't have to go back and keep getting sign off. We were fully empowered and trusted to develop this app by senior management," said Nuzhat Naweed, the head of mobile product and engineering at Zalando.

The app was launched in January, after Zalando saw 60 percent of its web traffic come from mobile devices in the final quarter of 2015, up from 48 percent a year earlier. It reports first quarter results on April 19.

"To stay innovative, we need a certain degree of disorder - you could also call it chaos," said human resources head Frauke von Polier. "If you structure everything and try to control the complex things, that's the moment when you lose speed."

Founded in 2008 in a Berlin apartment by two friends selling flip flops, Zalando now employs 10,000 people and ships more than 1,500 fashion brands to customers in 15 European countries.

Sales rose more than a third last year to almost 3 billion euros ($3.43 billion) and the company, which listed in Frankfurt in 2014, hopes to eventually take 5 percent of the fragmented European fashion market, up from about 1 percent now.

Yet in a sign of the pressure to deliver, its shares are trading at 54 times forward earnings, twice that of established industry leader Inditex, owner of Zara, and based on expectations Zalando will more than double sales in the next four years, even as Amazon muscles into fashion too.

Rivals like Britain's ASOS and Amazon also use "agile" methods to develop software, but Zalando says it goes further, combining more autonomy with continual learning, allowing staff to spend 20 percent of their time on developing their skills.