Early career Born in
Gütersloh, He made his debut for Wiedenbrück on 7 August 2010 in a 1–0 win at
Fortuna Düsseldorf before going on to make 18 appearances that season, though he did not score. His debut for FSV Frankfurt II came on 7 August 2011 in a 1–0 defeat at
TSG 1899 Hoffenheim II, whilst the first goal of his senior career came two games later in a 3–1 defeat at
Hessen Kassel. Over the course of the 2011–12 season, he was a regular player at FSV Frankfurt II, stating that he felt 'very comfortable at the club'. He made 30 appearances over the course of the season, scoring four times.
VfR Aalen On 30 January 2014, one day before the transfer deadline, Oesterhelweg joined
2. Bundesliga club
VfR Aalen on a one-and-a-half-year contract. He made 3 appearances for Aalen across the
2013–14 season, and made just 4 appearances in all competitions in the
2014–15 season leading to his departure at the end of his contract. and was part of the team that finished second, having scored 7 goals in 27 appearances across the regular part of the 2015–16 season. Despite a goal from Oesterhelweg to tie the opening promotion play-off match against
FSV Zwickau, Elversberg lost the second leg 1–0, thus remaining in the Regionalliga Südwest for the following season. After 13 goals in 34 appearances for Oesterhelweg, Elversberg finished top of the Regionalliga Südwest in 2016–17, but again lost out in the promotion play-offs, this time to
SpVgg Unterhaching. making his debut on 22 July 2019 in a 2–0 defeat at home to
Hansa Rostock, before scoring his first goal for the club on their eleventh game of the season at home to
Hallescher FC. Oesterhelweg performed well that season, scoring 8 goals in 31 league games. The 2018–19 season saw Oesterhelweg play regularly, appearing in all but one of their league matches that season, though he was released following the expiration of his contract at the end of the season. before joining
Chemnitzer FC in January 2020, after a trial spell at the club. Oesterhelweg made his debut three days later on 1 February 2020, coming on as a half-time substitute for
Tarsis Bonga in a 2–1 victory at
SV Meppen. He appeared in seven league matches for the club. He scored his first goal for Jena after eleven minutes on his debut for the club on 15 August 2020 in a 1–1 draw with
Babelsberg. ==References==