300 new jobs are to be created by regulatory solutions company FinTrU in Letterkenny, Co Donegal.
The company is to set up a European Delivery Centre in the town, adding the new roles over the next five years.
The positions will be in areas such as compliance, legal, risk and controls, operations and client authentication controls.
"FinTrU has enjoyed a great relationship with the North West region, having set up our Derry office in October 2018, with over 300 employees presently working at this site," said FinTrU founder and CEO Darragh McCarthy.
"We already employ several people from Letterkenny and the wider County of Donegal, so it was a natural step for us to open an EU Delivery Office right here in Letterkenny."
"The highly educated and ambitious talent based here in Donegal was a major motivating factor in FinTrU choosing Letterkenny as the next EU base," Mr McCarthy said.
Headquartered in Belfast, the company was founded nine years ago.
With over 1,000 employees globally in its offices in Belfast, Derry, Dublin, London, Maastricht, and New York the company designs technology for investment banks around the world.
"This is, without doubt, a red-letter day for Letterkenny," said Martin Shanahan, chief executive of IDA Ireland which supported the investment.
"This investment, creating 300 jobs in this region, is hugely significant. It represents confidence by FinTrU in the North West and will be a substantial boost to the local economy."
The company has also built a relationship with Donegal County Council, Donegal Education & Training Board (ETB) and the Atlantic Technological University and is hoping to attract graduates from the region through a graduate recruitment program.
"Ireland has established itself as a leading global financial services centre and we are committed to building on this success," said Taoiseach Micheál Martin.
"The new positions announced today by FinTrU are testament to the company's growth and achievements, as it invests in, and benefits from, skills and talent from across the whole island," Mr Martin added.