Early career Fernandez began his career with
Brentford and
Gillingham, and whilst at Gillingham spent time on loan at
Sheppey United and
Margate. After being released by Gillingham he played for
Ramsgate.
Peterborough United Fernandez signed a two-year contract with
Peterborough United in July 2021. He made his debut on 2 April 2022 in a "surprise" selection in a 4–0 home defeat against Middlesbrough. In November 2021, Fernandez joined
Spalding United on loan, making one appearance. In March 2023, he joined
Barnet on loan until the end of the season.
Rangers In July 2025, Fernandez joined
Scottish Premiership club
Rangers for an undisclosed fee. On 22 November 2025, Fernandez scored his first league goal for Rangers in a 2–1 win over
Livingston in the
Scottish Premiership. In February 2026, Fernandez suffered
racist abuse online following a match. ==International career==