If you work in Ireland and get paid from abroad

Unless your income is prevented from being taxed in Ireland due to a double taxation agreement, it will be taxable here from the date you arrive, regardless of your residency status.

If you’re an Irish citizen who is not ordinarily resident or not Irish-domiciled, your foreign employment income (excluding UK-sourced income) will only be taxable to the extent that it’s remitted into Ireland. If you’re a resident for Irish tax purposes in the year the income is earned, you’ll be entitled to full personal tax credits and reliefs.