At the international level, he represents Curacao. He plays primarily as a Defender. He stands at 180cm tall and weighs 67kg. His preferred foot is Left. His current market value is estimated at 750K €.

His most recent move was a Free from Beerschot Wilrijk to Rotherham United on 2025-07-30.

Throughout the English Football League One 2025-2026, ArJany Martha featured in 29 matches, averaging 1.3 tackles, 0.4 interceptions, and 0.8 clearances per game, while blocking 0.1 shots per game.