Early career Schulte began his professional MMA career in Brazil, where after winning his debut and losing his next two bouts, he rebounded to win his next 5 bouts and joined
XFC International, an international promotion with a popular TV deal in Brazil and frequent live events. Shortly after joining XFCi, Schulte won the season one lightweight tournament. After winning a bout back on the Brazilian regionals, he faced Islam Mamedov at
WSOF 35, on May 21, 2016, where he lost the bout at the end of the second round by the way of armbar submission.
Professional Fighters League 2018 Season After WSOF became PFL, Natan made his return his promotional debut against
Chris Wade at
PFL 2 on June 21, 2018, winning the bout via unanimous decision. In his second fight in the tournament, Schulte was scheduled to face
Brian Foster on August 2, 2018 at
PFL 5, however Foster was forced to pull out and replaced by
Jason High. He lost the fight via technical submission due to a rear-naked choke in the first round. In the playoffs, Schulte was pitted against
Johnny Case at
PFL 9 on October 13, 2018. The bout ended in a majority draw, but Schulte advanced to the semi-finals and Case was eliminated from the tournament. In the semifinals, Schulte faced
Chris Wade again, winning the bout in a split decision and advancing to the tournament finals. In the finals of the $1 million collective tournament, Schulte faced
Rashid Magomedov at
PFL 11 on December 31, 2018, winning the back-and-forth bout by a unanimous decision.
2019 Season Making his first appearance of the 2019 season on May 23, 2019 at
PFL 2, Schulte submitted Yincang Bao by the way of rear-naked choke in the first round. Schulte was expected to face
Ramsey Nijem on July 25, 2019 at
PFL 5, but Nijem could not make weight and was disqualified and removed from the card.
Jesse Ronson replaced him and Schulte won the bout via unanimous decision. In the quarter-finals of the tournament on October 17, 2019 at
PFL 8, Schulte faced
Ramsey Nijem, chocking him out in the first round with a rear-naked choke. Advancing to the semi-finals, Schulte faced Akhmed Aliev in the same night, once again choking out his opponent, this time in the second round via arm-triangle choke. In the finals on December 31, 2019 at
PFL 10, Schulte faced Loik Radzhabov, winning the close bout and the tournament via unanimous decision.
2021 Season After a year off due to the cancellation of the 2020 season due to COVID, Schulte made his return against
Marcin Held on April 23, 2021 at
PFL 1. He lost the bout via unanimous decision. Schulte was originally set to face Mikhail Odintsov on June 20, 2021 at
PFL 4, however Odintsov pulled out of the bout due to injury and was replaced by
Raush Manfio, in turn after bout cancellations on the card, Schulte was instead booked against undefeated Alexander Martinez. Schulte won the close bout via split decision.
2022 Season To start off the 2022 LW season, Schulte faced eventual 2022 Champion
Olivier Aubin-Mercier on April 23, 2022 at
PFL 1. He lost the close bout via split decision. In the second regular season bout, Schulte faced
Marcin Held on June 17, 2022 at
PFL 4. He won the bout via unanimous decision, but didn't have enough points to advance to the playoffs. Schulte faced
Jeremy Stephens on November 25, 2022 at
PFL 10. Schulte won the bout in the second round, submitting Stephens by arm-triangle choke.
2023 season Schulte faced
Stevie Ray on April 14, 2023 at
PFL 3. He won the fight via unanimous decision. Schulte faced
Raush Manfio on June 23, 2023 at
PFL 6. Schulte won via a unanimous decision in a fight that saw both men, who openly state to be best friends, refuse to engage. Following the fight, PFL suspended both fighters, saying in a statement that "All fighters in their PFL Fight Agreements agree to use their best efforts ... skills and abilities as a professional athlete to compete ... and defeat any opponent. It was very clear that Natan and Raush did not meet that contractual standard in yesterday’s bout." ==Championships and accomplishments==