A US technology company has announced it is to create 350 jobs in Dublin.

Qualtrics makes software tools that measure and interpret customer and employee feedback.

It first opened its European headquarters in Dublin in 2013 and since then has grown the number it employs in Ireland to 250.

The Irish operation oversees the company's sales, engineering, support services and other operations in Europe, the Middle East and Africa.

Its rapid growth however means it now plans to expand further, adding 350 roles over the next four years.

The new positions will be in a variety of areas, including technical support and engineering, sales, finance and HR.

To accommodate all the new staff the company is in the process of expanding its city centre office, constructing a new building on Clarendon Row.

Qualtrics CEO and co-founder Ryan Smith is in Dublin to make the announcement and to mark its fifth anniversary here.

"We now work with over 1,500 organisations in EMEA and the success and growth of our business here is testament to the talent we have in Dublin," he said.

"We are five years in, but we're just getting started and by expanding our footprint, we expect to continue to grow at a rapid pace and create more jobs in Dublin in the years ahead."

He also paid a warm tribute to Irishman Dermot Costello, the highly-respected chairman of Qualtrics in the EMEA region and first employee of the company in Europe, who passed away following an illness in January.

"Dermot was an inspiration to us all. He pioneered the success of Qualtrics in Europe and had a positive impact on everybody he worked with," he said.

"We remember him for his kindness, his respect for everyone and his tireless positivity."

The new investment has been welcomed by Minister for Business, Enterprise and Employment Heather Humphreys, and the IDA.

Co-founded by Mr Smith in Utah in 2002, Qualtrics has rapidly become one of the world's fastest-growing technology companies.

It now employs over 1,900 people globally and has offices in nine countries across four continents.