Here is a good example of a role and organization that might interest you:
Mathematica has in the past hired Research Assistants committed to contributing to the evidence base of what works to improve a range of outcomes in developing country contexts. Candidates should enjoy working in a collaborative environment that emphasizes quality, rigor, critical thinking, teamwork, and professional development.
They have had positions open in offices located in Cambridge, Oakland, Princeton, or Washington, DC, or in our soon-to-open Seattle office.
Mathematica is an internationally recognized nonpartisan research organization that conducts social policy studies in the areas of health, education, nutrition, child development, and related topics in the United States and in developing countries. Our mission is to improve public well-being by bringing the highest standards of quality, objectivity, and excellence to bear on the work we do for government agencies, private foundations, and other private sector organizations. Mathematica has a rapidly growing portfolio of impact evaluations across Latin America and the Caribbean, Asia, and Africa, in education, health, agriculture, infrastructure, and a variety of other fields.