Born in Bremen,[2] Lewald grew up in Barrien [de], Lower Saxony.[3] He played youth football at SC Weyhe [de] before joining Werder Bremen in 2007.[4] Having been captain of Werder Bremen's under-19 team and on the verge of joining the reserve side, Lewald left the club, signing for Schwarz-Weiß Rehden of the Regionalliga Nord in summer 2018.[3][5] In his debut season for the club, he started 27 of a possible 34 games, as Rehden finished 8th on 47 points.[3] His performances for Rehden attracted the interest of a number of second, third and fourth tier clubs in the winter 2020 transfer window,[6] though Lewald stayed at Rehden for the duration of the 2019–20 season, scoring 4 goals in 21 appearances.[2]
In May 2020, it was announced that Lewald would sign for Regionalliga Nordost side Viktoria Berlin, reuniting with former Rehden manager Benedetto Muzzicato [de].[7] This was Viktoria Berlin having been unsuccessful in their attempts to sign Lewald in the previous two transfer windows.[7] On 11 February 2021, it was announced that Lewald had extended his contract with Viktoria until summer 2022.[8] Lewald made 10 appearances for Viktoria Berlin, before the Regionalliga Nordost season was paused due to the COVID-19 pandemic in November.[2][9] In March 2021, clubs voted unanimously to abandon the Regionalliga season, and thus Viktoria Berlin were promoted to the 3. Liga as champions after 11 wins from 11 matches.[9]
Lewald made his 3. Liga debut on 25 July 2021, starting in a 2–1 win at home to Viktoria Köln in the opening game of the season.[2] He scored his first goal for the club in the reverse fixture as they won 4–1 on 17 December 2021.[2][10] After making his 20th appearance of the season in a 2–0 defeat to 1. FC Kaiserslautern on 22 January 2022, his contract was extended until summer 2023, as per the contract extension clause his contract.[11] He made 35 appearances during the 2021–22 season, scoring twice, as the club were relegated after finishing 17th.[2][12]
On 22 August 2022, it was announced that Lewald had signed for 3. Liga club Dynamo Dresden on a two-year contract, for an undisclosed fee.[13] He made 27 league appearances across the 2022–23 season.[2]
On 5 June 2024, Lewald joined fellow 3. Liga club SV Sandhausen.[14]
On 13 August 2025, Lewald signed a two-season contract with Wehen Wiesbaden, also in 3. Liga.[15]
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