Lately, Tatiana Becker has been flooded with work. As the founder of the boutique US firm NIAH Recruiting, she spends her days sifting through hundreds of resumes, hoping to fill dozens of roles at companies that have hired her to find matching employees. Companies tend to hire the most at the start of the year, mainly because of hiring budgets that have been set and go into effect in the first quarter. “Everybody came back to work, and it’s been kind of insane,” Becker said in a recent intervie...