365 tech jobs are being created in the city centre.
Version 1 says they're hiring staff in the areas of systems integration, cloud and data analytics.
100 of the positions will be filled by the end of this year while the rest of the roles will be filled over the next three years.
The IT company is based on Millennium Walkway and currently employs almost 900 people between Ireland and the UK.
CEO of Version 1 Tom O’Connor said: "The announcement today of 365 new jobs is as a result of our growth over the past five years and our confidence in our ambitious growth plans over the next three years.
He added: "We take a huge amount of pride in our employees and a constant focus of ours is on being a best workplace, which has seen Version 1 being named in the Top Ten Best Large Workplaces for the past six years running."