A new and distinct variety of yellow nectarine tree, denominated ‘NECTAJULIE’, has fruits of very long shelf life without alteration before and after harvesting, and with a semi-sweet orange yellow flesh of high eating quality, with red pigmentation in the stone cavity and around the stone cavity, and an attractive intense and luminous skin, with a high percentage of luminous red blush. Fruits can be consumed crunchy or melting.