A product of a rich seam of talent from Norfolk rugby, Freddie made his Leicester Tigers debut in 2018/19 while still part of the club’s academy system.
Freddie joined Tigers from Norwich School and was a regular at full-back as the academy team won the National Under-18 League title in successive seasons – 2017/18 and 2018/19 – without losing a game as well as gaining England Under-18 selection.
He made his senior debut in the Premiership Cup at Northampton in January 2019 and then received a late call to travel with senior squad for Premiership fixture at Sale in March of that year before being drafted on to the bench just 15 minutes before kick-off when fellow academy graduate George Worth pulled out with injury.
He made his league debut as a replacement in the closing minutes of the game and joined the Development squad in the build-up to the 2019/20 campaign.
On 3 January 2020 Freddie was named in the England under 20 squad for the 2020 Six Nations Championship.
April 2020 saw him sign a new deal with Tiger's Development Squad.
Steward made his full England debut on 4 July 2021 when he started at full back against the United States at Twickenham
He scored his first England try on 13 November 2021, after taking a pass from Marcus Smith he rounded full-back Kurtley Beale for a first half score as England beat Australia 32–15.
In May 2022 Steward was named as the Rugby Players' Association Player's Young player of the year and England men's player of the season, as well as being named in their inaugural under-23 team of the season.
Steward was selected for the 2022 England rugby union tour of Australia, starting at full back in all three tests as England won the series 2–1.
On his first match for Leicester of the 2022-23 Premiership Rugby season, Steward scored a hat-trick in the 250th East Midlands derby.
On 28 September 2022, Steward extended his contract at Leicester.
In November 2022, Steward was named in World Rugby's team of the year as the best full back.
In May 2023, Steward was named for the second year in succession as the Rugby Players' Association England men's player of the season.
Ahead of the Rugby World Cup 2023, Steward has been named in the squad for England.
S.C June 2023
|2019 - present|
|2021 - present|
|2019 - 2020|
|2019 - 2020|