Esmiraldo Sá da Silva (born 22 September 1997), known professionally as Jardel, is a Bissau-Guinean professional footballer who plays as a forward for K League 2 club Yongin FC and the Guinea-Bissau national team.
Jardel started his senior career with Spanish third-tier side Deportivo Fabril. In 2020, he signed for Leça in the Portuguese third tier. In 2021, Jardel signed for Portuguese second-tier club Feirense. On 21 August 2022, he went viral on the internet after scoring a penalty with an unusual run-up and then missing a 90th-minute penalty using the same run-up during a 1âÂÂ1 draw with Leixões.
On 24 June 2023, Jardel signed a three-year contract with Primeira Liga club Vizela.
On 14 February 2024, he joined Polish Ekstraklasa club Radomiak Radom on loan until the end of the season, with an option to make the move permanent. Two days later, he made his debut in the starting line-up in a 0âÂÂ4 home loss against Pogoà  Szczecin. He returned to Vizela at the end of June 2024.
In August 2024, Jardel joined Israeli Premier League club Ironi Kiryat Shmona on a two-year contract.
On 13 January 2026, Jardel moved to South Korea, joining recently-established K League 2 club Yongin FC.