On July 1, a few days after a woman in India registered for an account on the careers site Naukri.com and uploaded a resume, a recruiter called her: One of the country’s leading real-estate companies was hiring for a senior position, and more details would follow soon. The woman had posted her details on the site, whose name means “job” in Hindi, because she feared losing her current role as a mechanical engineer. The coronavirus pandemic was in full swing, and India’s caseload was increasing f...