Caiçara with Ludogorets in 2014
|Full name||Uilson de Souza Paula Júnior|
|Date of birth||27 April 1989|
|Place of birth||São Paulo, Brazil|
|Height||1.72 m (5 ft 7 1⁄2 in)|
|2009||→ CS Alagoano (loan)||13||(1)|
|2010||→ América-SP (loan)||4||(0)|
|2010–2012||→ Gil Vicente (loan)||56||(1)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 01:28, 30 May 2017 (UTC).
Santo André and loans
Caiçara's first professional club is Santo André. In 2009, he was loaned out to Brazilian team CS Alagoano. He did not make a league appearance for the team. In 2010 Caiçara was sent on loan to América-SP where he made his league debut on 14 January against São Bento.
In summer of 2010 he goes to Portugal team Gil Vicente again on loan from Santo André. He made his debut on 29 August against Trofense in the second Portugal league. He helped his team to gain promotion in the Primeira Liga and played with the team in their return in Primeira Liga.
On 11 July, Caiçara marked his debut for Ludogorets with a goal and first trophy. He opened the scoring in the 2012 Bulgarian Supercup against Lokomotiv Plovdiv, the match ended 3–1 to Ludogorets. On 18 July, he made his European debut against Dinamo Zagreb in the second qualifying round of the Champions League. Then he made his Bulgarian A Group debut, playing full 90 minutes in a 3–0 away win over Cherno More Varna on 11 August. Caiçara quickly established himself as Ludogorets's first choice right-back, making 28 league appearances during his debut campaign in Bulgaria. He collected his first A group title winner's medal at the end of the 2012–13 season.
On 12 December 2014, Ludogorets announced that Caiçara has extended his contract with a new two-year deal that will keep him at the club until 2017.
İstanbul Başakşehir F.K.
On 16 January 2017, Caiçara signed with Turkish club İstanbul Başakşehir F.K. on a 3.5 year deal for an undisclosed fee. 3 days later he made his debut for the team in the Turkish Cup coming as a substitute in the 61 minute in a match against Yeni Malatyaspor. On 22 January he complete his debut for the team coming as a substitute again in the match against Fenerbahçe in the Süper Lig.
Caicara is eliable for both Brazil and Bulgaria since on 1 July 2014 he got a Bulgarian passport and become able to play for Bulgaria from 2017. He said that he would be happy to represent Bulgaria on the international level. On 25 February 2017 he mentoned again that he would represent Bulgaria if he got an invite since the old manager, Ivaylo Petev, wanted him, but he is waiting for a call from Petar Hubchev.
- As of 15 June 2017.
|Brazil||League||Copa Brasil||S. America||Other||Total|
|CS Alagoano||Série D||2009||0||0||2||0||–||–||2||0|
|Gil Vicente||Segunda Liga||2010–11||28||1||1||0||–||6||1||35||2|
|Ludogorets Razgrad||A Group||2012–13||28||0||0||0||2||0||1||1||31||1|
|İstanbul Başakşehir||Süper Lig||2016–17||14||0||4||0||0||0||–||18||0|
- Bulgarian A Group. (3): 2012–13, 2013–14, 2014–15
- Bulgarian Cup (1): 2013–14
- Bulgarian Supercup (1): 2012
- "Ludogorets signed with a talanted left back". ludogorets.com. 5 June 2012.
- "More silverware for dominant Ludogorets". uefa.com. 11 July 2012.
- "Basel take charge against Ludogorets". uefa.com. 21 August 2013.
- "Жуниор Кайсара подписа нов договор с Лудогорец" (in Bulgarian). ludogorets.com. 12 December 2014.
- "Königsblau verpflichtet Junior Caicara von Ludogorets Razgrad". FC Schalke 04 (in German). 25 June 2015. Retrieved 25 June 2015.
- "S04 agrees deal with Basaksehir FK for Caicara - News - Schalke04.de". www.schalke04.de. Retrieved 2017-01-16.
- İSTANBUL BAŞAKŞEHIR VS. YENI AMASYASPOR
- FENERBAHÇE VS. İSTANBUL BAŞAKŞEHIR
- "Кайсара след бг паспорта: Искам в националния отбор". blitz.bg. 1 July 2014.
- Кайсара пред турски медии: Готов съм за националния на България
- "Junior Caiçara » Club matches". World Football.
- Júnior Caiçara at Soccerway