Early career Jackson began playing for local side ASC Tilene before joining
Casa Sports, where he was a part of the first team squad during the
2018–19 season. He was also named
man of the match in a 1–1
Ligue 1 draw against
AS Pikine on 16 November 2018.
Villarreal In September 2019, Jackson agreed to a contract with
La Liga side
Villarreal, being assigned to the Juvenil A squad.
Loan to Mirandés On 5 October 2020, Jackson was loaned to
Segunda División side
Mirandés for the
2020–21 season. He made his professional debut thirteen days later, coming on as a second-half
substitute for
Antonio Caballero in a 0–0 home draw against
Mallorca. Jackson scored his first professional goal on 28 November 2020, netting the opener in a 1–1 home draw against
Castellón. It was his only goal of
the season as the Jabatos finished in 10th place.
Breakthrough Upon returning, Jackson played for Villarreal's
B-team in
Primera División RFEF, scoring seven goals as the side
achieved promotion to the second division. He made his first team – and
La Liga – debut on 3 October 2021, replacing
Arnaut Danjuma late into a 2–0 home win over
Real Betis. Jackson scored his first goal in the top tier on 13 August 2022, netting the opener in a 3–0 away win over
Real Valladolid. Thirteen days later, he and teammate
Álex Baena were promoted to the main squad. In January 2023, Villarreal agreed a
£22.5 million deal from
AFC Bournemouth for the signing of Jackson, but he failed his medical due to
hamstring issues, and the transfer did not materialise. After returning to action in March, he scored nine goals within the months of April and May, which included braces against
Celta Vigo,
Athletic Bilbao and
Cádiz.
Chelsea in April 2025 On 30 June 2023, Jackson signed for
Premier League club
Chelsea on an eight-year deal through 2031 for a fee reported to be
£32 million. On 13 August, he made his debut for the club in a 1–1 draw against
Liverpool in the Premier League. He scored his first Chelsea goal on 25 August 2023 against newly promoted side
Luton Town, helping Chelsea to a 3–0 win at
Stamford Bridge. On 6 November, Jackson scored twice in second-half stoppage time to complete a
hat-trick in a 4–1 away win over
Tottenham Hotspur. He scored again in the next match against
Manchester City, which ended in a 4–4 home draw. On 15 April 2024, Jackson scored his tenth Premier League goal of the season, and provided an assist for
Cole Palmer's goal in a 6–0 win over
Everton. As Palmer had already reached double digits in league goals, this became the first Chelsea season since
2017–18 in which two players had scored ten or more Premier League goals in a season. On 5 May 2024, Jackson scored twice and provided an assist for Palmer in a 5–0 home win over
West Ham United. He scored 14 league goals across 35 appearances, making him the second highest African goal scorer in the 2023–24 season only behind Liverpool's
Mohamed Salah. On 13 September 2024, Jackson signed a two-year contract extension with Chelsea, extending his contract until 2033. He won the
Premier League Goal of the Month award for October 2024 for the opening goal of a 2–1 win over
Newcastle United on 27 October. On 1 May 2025, Jackson scored a brace in the first leg of the
Conference League semi-final which ended in a 4–1 away win over
Djurgården. He was later sent off on 11 May for a deliberate elbow in a Premier League match against
Newcastle United. On 28 May, he netted the second goal for Chelsea in a 4–1 win over
Real Betis in the
2025 UEFA Conference League final. A month later, on 20 June, he was shown a straight red card for a reckless challenge just four minutes after coming on as a substitute in a 3–1 loss to
Flamengo during the
2025 FIFA Club World Cup.
Loan to Bayern Munich On 1 September 2025, Jackson joined
Bundesliga club
Bayern Munich on a season-long loan for a reported fee of €16.5m. Later that month, on 30 September, he scored his first goal for the club in a 5–1 away win over
Cypriot First Division club
Pafos in the
Champions League. On 19 April 2026, he won the
2025–26 Bundesliga with Bayern Munich and their 35th league title, starting and scoring the second goal during a 4–2 home win over
VfB Stuttgart. ==International career==