Temping is Hell by Cathy Yardley. The first book in the Necessary Evil urban fantasy series, Temping is Hell is about a temp who goes to work in the worst job ever.
The Amazon description is as follows:
WORST. JOB. EVER.
Kate O'Hara can't wait until this temp
assignment is over. The woman who hired her is a psychotic pageant
queen, her coworkers are convicts-turned-clerks, and it's so boringly
corporate it makes her skin crawl. Even her sexy-as-sin boss, famed
billionaire Thomas Kestrel, isn't enticement enough to keep her there.
Once she makes enough to pay off her bills, she's out. Or so she
WHAT THE HELL?
Next thing she knows, she's
accidentally signed over her soul. Literally. And she's discovered
Thomas's real mission: to kill thirteen bad guys in one year, in order
to get his—now his and Kate’s—souls back.
IT'S NOT JUST A JOB. IT'S A MISADVENTURE.
learning to boost the morale of some paper-pushing demons to navigating
her way through blood-red tape, Kate has to work closely with her
super-hot supervisor and get her flaky act together, before somebody
clocks her out—permanently!
I've read the first few pages and am intrigued and am looking forward to reading more! The beginning grabbed me. I will post a review once I've finished reading Temping is Hell. Kindle, here I come!