-in die
Softwareentwicklerin
Always 99.4% of the 471 common nouns ending in -in take die.
Add -in to a man's job or nationality and you get a woman: der Lehrer, die Lehrerin. Always feminine.
Exceptions der Muffin
die Softwareentwicklerin
It's die Softwareentwicklerin. Softwareentwicklerin is feminine, plural die Softwareentwicklerinnen.
Sie ist Softwareentwicklerin.
She is a software developer.
Softwareentwicklerin
Always 99.4% of the 471 common nouns ending in -in take die.
Add -in to a man's job or nationality and you get a woman: der Lehrer, die Lehrerin. Always feminine.
Exceptions der Muffin
Softwareentwicklerin die
The last part decides the article: die Entwicklerin, so die Softwareentwicklerin.