Paul Lynch is telling me a story about Jim Mountjoy, a pioneer in Ireland’s tech community. Decades before the Collison brothers or Intercom’s co-founders emerged, Mountjoy was scaling tech business and selling them for tens of millions of euros. Lynch recalls talking to Mountjoy, a serial investor and the deputy chairman of Science Foundation Ireland, about what it was like when he was starting out in his early days. “Jim has a great story he used to tell about his uncle getting him a job in Telecom Éireann in the mid-60s and he went in on his first day and…