Although Barclays has not confirmed the specific figures, it confirmed the workforce adjustments are part of an initiative to streamline operations.
A company spokesperson said the reduction occurs as management layers are streamlined, and the group enhances its technology and automation capabilities.
The bank asserts its commitment to supporting impacted colleagues through these changes.
Sharon Graham, the general secretary of Unite, said: "Barclays is disgracefully cutting jobs to further boost its massive profits.
“This is a mega-rich bank that is already on course to make eye-watering profits this year."