[3] Yoachim started writing speculative fiction in 2005[6] and attended the 2006 Clarion West Writers' Workshop.
[3][6] She has been active as an author since 2007 when her first published short story, "Time to Say Goodnight", appeared in the December issue of Fantasy Magazine.
[7][1] Yoachim's work has appeared in various periodicals and anthologies, including Analog Science Fiction and Fact, Andromeda Spaceways Inflight Magazine, Apex Magazine, Artemis Rising, Asimov's Science Fiction, Beneath Ceaseless Skies, Clarkesworld, Daily Science Fiction, Drabblecast, Electric Velocipede, Escape Pod, Fantastic Stories of the Imagination, Fantasy Magazine, Fireside, Flash Fiction Online, Gigantosaurus, Greatest Uncommon Denominator, Humanity 2.0, Infinity Wars, Interzone, Kazka, Lightspeed, The Magazine of Fantasy & Science Fiction, Mechanical Animals, Nature, Nebula Awards Showcase 2018, Oceans: The Anthology, Sum of Us, PoC Destroy Science Fiction, Selfies From the End of the World, Shimmer, Talebones, Uncanny, Unidentified Funny Objects and Unlikely Story.
"Seven Wonders of a Once and Future World" placed 31st in the 2016 Locus Poll Award for Best Short Story.
"Ninety-Five Percent Safe" tied for 4th place in the 2016 Asimov's Readers' Poll for Best Short Story.