Guido Subotovsky’s Azimuth Development Group is teaming up with the Upper Manhattan Development Corp. to build a trio of apartment buildings in the South Bronx that will bring 275 rental apartments to the neighborhood. The three buildings will have addresses at 707 Concourse Village West, 702 Grand Concourse and 180 East 156th Street, according to plans Azimuth filed with the city’s Department of Buildings.