[3] In November 2010, he joined Legia Warsaw's academy, working with numerous age groups in both head and assistant coaching positions.
[5] On 19 September 2022, Feio took on his first senior managerial role when he was appointed manager of II liga club Motor Lublin, who at the time were placed bottom of the league table.
[6] For his actions, the Polish Football Association Disciplinary Committee penalised the Portuguese manager with a two-year ban (sentence suspended for a period of one year), a financial fine and ordered him to issue a written apology to both Maciążek and Tomczyk.
[10] On 15 August 2024, Legia drew 1–1 at home against Danish Superliga club Brøndby IF in the third qualifying round of the UEFA Conference League and advanced on aggregate after winning 2–3 away.
At the final whistle, Feio made obscene gestures towards the away fans' section, later claiming he was provoked by Brøndby's behaviour towards his team during the first game.
[14] Five days later, he was charged with causing minor bodily harm and making criminal threats during the March 2023 incident while working at Motor.