Doppler is part of the three-tower campus that Amazon is developing in the area and is able to accommodate 3,800 employees.

[8] The tower takes its name from the internal codename of the Amazon Echo voice-controlled speaker, which launched in 2014.

[1][2] The 37-story building also has a five-story meeting room center, featuring an amphitheater and stage with stadium-style seating for 2,000, and six stories of underground parking with 1,064 spaces;[5][13] there is also retail space at the ground level leased out to shops and restaurants, including a Starbucks, Skillet Street Food, Marination, Mamnoon Street, Mamnooncita, Potbelly Sandwich Shop, Cinque Terre Ristorante,[14] and two restaurants from local chef Josh Henderson.

[15][16][17] The project, covering the entire three-block campus, is also on track to receive LEED Gold certification.

[10][18] The facade uses dichroic glass to reflect light in varying colors dependent on the time of the day.