mosaicist
/mɒˈsæsɪst/Definitions
1. noun
A person who designs and creates mosaics.
“The mosaicist spent years perfecting her craft before creating this stunning work of art.”
2. noun
A person who arranges and creates mosaics, particularly in a digital context.
“The digital mosaicist used code to generate a vibrant mosaic from a thousand individual pixels.”