The teenager – who cannot be named for legal reasons – will appear at the Old Bailey on Thursday over the death of Mark Fontaine.
A 17-year-old boy who was arrested on 4 June on suspicion of murder remains in custody at a north London police station.
Emergency services were called at about 10.20pm on 30 May following reports of a stabbing on Cathcart Road.
Mr Fontaine, a 41-year-old from Walthamstow, died at the scene about 40 minutes later.
The cause of death was recorded as multiple stab wounds.
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The defendant appeared at Highbury Magistrates Court on Tuesday and remains in custody at a north London police station.
Police have urged anyone with any information to contact them on 020 8358 0200, or call Crimestoppers anonymously on 0800 555 111.