Employment in the microfinance industry is at a crossroads. When microfinance began, its scope was simple: Charitable, donor-driven organizations with a mission to eliminate poverty gave out very small business loans to help the world’s poor. Big banks — deeming the double- and triple-digit loans too small to be profitable – didn’t get involved. Today, after three decades of rapid growth, the microfinance industry has become both more crowded and more complex. The Microfinance Information eXchange reports 1,200 microfinance institutions (MFIs) with 64 million borrowers and 33.5 million savers, and those numbers are growing at 25% a year. Big banks, realizing there is money to be made at the bottom of the pyramid, are now entering microfinance markets that were once solely the territory of philanthropies. Commercial investors, too, are seeing profits. And microfinance institutions are scrambling not to lose ground.…