diff --git a/src/main/java/cat/udl/eps/softarch/tfgfinder/repository/AdminRepository.java b/src/main/java/cat/udl/eps/softarch/tfgfinder/repository/AdminRepository.java
new file mode 100644
index 0000000..6981395
--- /dev/null
+++ b/src/main/java/cat/udl/eps/softarch/tfgfinder/repository/AdminRepository.java
@@ -0,0 +1,15 @@
+package cat.udl.eps.softarch.tfgfinder.repository;
+
+import cat.udl.eps.softarch.tfgfinder.domain.Admin;
+import cat.udl.eps.softarch.tfgfinder.domain.User;
+import org.springframework.data.repository.CrudRepository;
+import org.springframework.data.repository.PagingAndSortingRepository;
+import org.springframework.data.repository.query.Param;
+import org.springframework.data.rest.core.annotation.RepositoryRestResource;
+
+import java.util.List;
+
+@RepositoryRestResource
+public interface AdminRepository extends CrudRepository<Admin, String>, PagingAndSortingRepository<Admin, String> {
+    List<User> findByIdContaining(@Param("text") String text);
+}
\ No newline at end of file
diff --git a/src/main/java/cat/udl/eps/softarch/tfgfinder/repository/DirectorRepository.java b/src/main/java/cat/udl/eps/softarch/tfgfinder/repository/DirectorRepository.java
new file mode 100644
index 0000000..be858c9
--- /dev/null
+++ b/src/main/java/cat/udl/eps/softarch/tfgfinder/repository/DirectorRepository.java
@@ -0,0 +1,14 @@
+package cat.udl.eps.softarch.tfgfinder.repository;
+
+import cat.udl.eps.softarch.tfgfinder.domain.Director;
+import org.springframework.data.repository.CrudRepository;
+import org.springframework.data.repository.PagingAndSortingRepository;
+import org.springframework.data.repository.query.Param;
+import org.springframework.data.rest.core.annotation.RepositoryRestResource;
+
+import java.util.List;
+
+@RepositoryRestResource
+public interface DirectorRepository extends CrudRepository<Director, String>, PagingAndSortingRepository<Director, String> {
+  List<Director> findByAvailable(@Param("available") Boolean available);
+}
\ No newline at end of file
diff --git a/src/main/java/cat/udl/eps/softarch/tfgfinder/repository/ExternalRepository.java b/src/main/java/cat/udl/eps/softarch/tfgfinder/repository/ExternalRepository.java
new file mode 100644
index 0000000..c751490
--- /dev/null
+++ b/src/main/java/cat/udl/eps/softarch/tfgfinder/repository/ExternalRepository.java
@@ -0,0 +1,15 @@
+package cat.udl.eps.softarch.tfgfinder.repository;
+
+
+import cat.udl.eps.softarch.tfgfinder.domain.External;
+import org.springframework.data.repository.CrudRepository;
+import org.springframework.data.repository.PagingAndSortingRepository;
+import org.springframework.data.repository.query.Param;
+import org.springframework.data.rest.core.annotation.RepositoryRestResource;
+
+import java.util.List;
+
+@RepositoryRestResource
+public interface ExternalRepository extends CrudRepository<External, String>, PagingAndSortingRepository<External, String> {
+  List<External> findByOrganizationContaining(@Param("organization") String organization);
+}
\ No newline at end of file
diff --git a/src/main/java/cat/udl/eps/softarch/tfgfinder/repository/ProfessorRepository.java b/src/main/java/cat/udl/eps/softarch/tfgfinder/repository/ProfessorRepository.java
new file mode 100644
index 0000000..8d8d62f
--- /dev/null
+++ b/src/main/java/cat/udl/eps/softarch/tfgfinder/repository/ProfessorRepository.java
@@ -0,0 +1,15 @@
+package cat.udl.eps.softarch.tfgfinder.repository;
+
+
+import cat.udl.eps.softarch.tfgfinder.domain.Professor;
+import org.springframework.data.repository.CrudRepository;
+import org.springframework.data.repository.PagingAndSortingRepository;
+import org.springframework.data.repository.query.Param;
+import org.springframework.data.rest.core.annotation.RepositoryRestResource;
+
+import java.util.List;
+
+@RepositoryRestResource
+public interface ProfessorRepository extends CrudRepository<Professor, String>, PagingAndSortingRepository<Professor, String> {
+  List<Professor> findByDepartmentContaining(@Param("department") String department);
+}
\ No newline at end of file
diff --git a/src/main/java/cat/udl/eps/softarch/tfgfinder/repository/StudentRepository.java b/src/main/java/cat/udl/eps/softarch/tfgfinder/repository/StudentRepository.java
new file mode 100644
index 0000000..1cb1783
--- /dev/null
+++ b/src/main/java/cat/udl/eps/softarch/tfgfinder/repository/StudentRepository.java
@@ -0,0 +1,14 @@
+package cat.udl.eps.softarch.tfgfinder.repository;
+
+import cat.udl.eps.softarch.tfgfinder.domain.Student;
+import org.springframework.data.repository.CrudRepository;
+import org.springframework.data.repository.PagingAndSortingRepository;
+import org.springframework.data.repository.query.Param;
+import org.springframework.data.rest.core.annotation.RepositoryRestResource;
+
+import java.util.List;
+
+@RepositoryRestResource
+public interface StudentRepository extends CrudRepository<Student, String>, PagingAndSortingRepository<Student, String> {
+  List<Student> findByNameContaining(@Param("name") String name);
+}
\ No newline at end of file