diff --git a/curriculumsearch/pom.xml b/curriculumsearch/pom.xml
index 6d8230f..b88363f 100644
--- a/curriculumsearch/pom.xml
+++ b/curriculumsearch/pom.xml
@@ -47,6 +47,16 @@
         	<artifactId>spring-boot-devtools</artifactId>
         	<optional>true</optional>
     	</dependency>
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-validation</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.hibernate.validator</groupId>
+			<artifactId>hibernate-validator</artifactId>
+			<version>6.0.13.Final</version>
+		</dependency>
 	</dependencies>
 
 	<build>
diff --git a/curriculumsearch/src/main/java/com/roshka/controller/PostulanteController.java b/curriculumsearch/src/main/java/com/roshka/controller/PostulanteController.java
index e1df4f6..704c094 100644
--- a/curriculumsearch/src/main/java/com/roshka/controller/PostulanteController.java
+++ b/curriculumsearch/src/main/java/com/roshka/controller/PostulanteController.java
@@ -1,16 +1,21 @@
 package com.roshka.controller;
 
+
+import javax.validation.ConstraintViolationException;
+
+
 import com.roshka.modelo.Postulante;
 import com.roshka.repositorio.PostulanteRepository;
 
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Controller;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.MethodArgumentNotValidException;
+import org.springframework.web.bind.annotation.*;
 
-@Controller
 
+@Controller
 public class PostulanteController {
     @Autowired
     PostulanteRepository post;  
@@ -32,4 +37,20 @@ public class PostulanteController {
         return "redirect:/";
     }
 
+    @ResponseStatus(HttpStatus.BAD_REQUEST)
+    @ExceptionHandler({MethodArgumentNotValidException.class})
+    public ResponseEntity<String> handleValidationExceptions(
+            MethodArgumentNotValidException ex) {
+        return ResponseEntity.status(HttpStatus.BAD_REQUEST)
+                .body(ex.getMessage());
+    }
+
+    @ResponseStatus(HttpStatus.BAD_REQUEST)
+    @ExceptionHandler({ConstraintViolationException.class})
+    public ResponseEntity<String> handleValidationExceptions2(
+            ConstraintViolationException ex) {
+        return ResponseEntity.status(HttpStatus.BAD_REQUEST)
+                .body(ex.getMessage());
+    }
+
 }
diff --git a/curriculumsearch/src/main/java/com/roshka/modelo/Estudio.java b/curriculumsearch/src/main/java/com/roshka/modelo/Estudio.java
index 818fbc9..8f33d08 100644
--- a/curriculumsearch/src/main/java/com/roshka/modelo/Estudio.java
+++ b/curriculumsearch/src/main/java/com/roshka/modelo/Estudio.java
@@ -12,6 +12,9 @@ import javax.persistence.JoinColumn;
 import javax.persistence.ManyToOne;
 import javax.persistence.OneToMany;
 import javax.persistence.Table;
+import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.NotNull;
+import javax.validation.constraints.Past;
 
 import com.fasterxml.jackson.annotation.JsonBackReference;
 import com.fasterxml.jackson.annotation.JsonManagedReference;
@@ -22,17 +25,28 @@ public class Estudio {
     @GeneratedValue(strategy=GenerationType.IDENTITY) 
     @Column(name="id")   
     private long id;
+
     @Column(name="tipo_de_studio")
+    @NotBlank
     private String tipoDeEstudio;
+
     @Column(name="institucion")
+    @NotBlank
     private String institucion;
+
     @Column(name="fecha_desde")
+    @NotNull
+    @Past
     private Date fechaDesde;
+
     @Column(name="fecha_hasta")
     private Date fechaHasta;
+
     @Column(name="referencias")
     private String referencias;
+
     @Column(name="titulo")
+    @NotBlank
     private String titulo;
     
     @ManyToOne
diff --git a/curriculumsearch/src/main/java/com/roshka/modelo/EstudioReconocimiento.java b/curriculumsearch/src/main/java/com/roshka/modelo/EstudioReconocimiento.java
index 4ed255b..52e2b38 100644
--- a/curriculumsearch/src/main/java/com/roshka/modelo/EstudioReconocimiento.java
+++ b/curriculumsearch/src/main/java/com/roshka/modelo/EstudioReconocimiento.java
@@ -9,6 +9,7 @@ import javax.persistence.Id;
 import javax.persistence.JoinColumn;
 import javax.persistence.ManyToOne;
 import javax.persistence.Table;
+import javax.validation.constraints.NotBlank;
 
 import com.fasterxml.jackson.annotation.JsonBackReference;
 
@@ -19,10 +20,15 @@ public class EstudioReconocimiento {
     @GeneratedValue(strategy=GenerationType.AUTO)
     @Column(name="id")
     private Long id;
+
     @Column(name="nombre")
+    @NotBlank
     private String nombre;
+
     @Column(name="certificado")
+    @NotBlank
     private String certificado;
+
     @JsonBackReference
     @ManyToOne
     @JoinColumn
diff --git a/curriculumsearch/src/main/java/com/roshka/modelo/Experiencia.java b/curriculumsearch/src/main/java/com/roshka/modelo/Experiencia.java
index a316f93..a829459 100644
--- a/curriculumsearch/src/main/java/com/roshka/modelo/Experiencia.java
+++ b/curriculumsearch/src/main/java/com/roshka/modelo/Experiencia.java
@@ -14,6 +14,9 @@ import com.fasterxml.jackson.annotation.JsonBackReference;
 import com.fasterxml.jackson.annotation.JsonManagedReference;
 
 import javax.persistence.*;
+import javax.validation.constraints.NotBlank;
+import javax.validation.constraints.NotNull;
+import javax.validation.constraints.Past;
 
 @Entity
 @Table(name = "experiencia")
@@ -21,10 +24,16 @@ public class Experiencia {
     @Id
     @GeneratedValue(strategy = GenerationType.AUTO)
     private long id;
+
     @Column(name = "institucion")
+    @NotBlank
     private String institucion;
+
     @Column(name = "fecha_desde")
+    @Past
+    @NotNull
     private Date fechaDesde;
+
     @Column(name = "fecha_hasta")
     private Date fechaHasta;
     @Column(name = "nombre_referencia")
@@ -32,9 +41,12 @@ public class Experiencia {
     @Column(name = "telefono_referencia")
     private String telefonoReferencia;
     @Column(name = "cargo")
+    @NotBlank
     private String cargo;
+
     @Column(name = "descripcion")
     private String descripcion;
+
     @JsonBackReference
     @ManyToOne(optional = false)
     @JoinColumn
diff --git a/curriculumsearch/src/main/java/com/roshka/modelo/Postulante.java b/curriculumsearch/src/main/java/com/roshka/modelo/Postulante.java
index b8b0cc8..7f65e71 100644
--- a/curriculumsearch/src/main/java/com/roshka/modelo/Postulante.java
+++ b/curriculumsearch/src/main/java/com/roshka/modelo/Postulante.java
@@ -1,6 +1,7 @@
 package com.roshka.modelo;
 
 import javax.persistence.*;
+import javax.validation.constraints.*;
 
 import com.fasterxml.jackson.annotation.JsonManagedReference;
 
@@ -20,36 +21,52 @@ public class Postulante {
     private long id;
 
     @Column(name="nombre")
+    @NotBlank
+    @Size(max = 255)
     private String nombre;
 
     @Column(name = "apellido")
+    @NotBlank
+    @Size(max = 255)
     private String apellido;
 
     @Column(name = "ci")
+    @NotBlank
+    @Size(max = 120)
     private String ci;
 
     @Column(name = "correo")
+    @NotBlank
+    @Email(message = "Formato incorrecto de correo")
     private String correo;
 
     @Column(name = "ciudad")
+    @NotBlank
+    @Size(max = 120)
     private String ciudad;
 
     @Column(name = "telefono")
+    @NotBlank
     private String telefono;
 
     @Column(name = "fecha_nacimiento")
+    @NotNull
+    @Past
     private Date fechaNacimiento;
 
     @Column(name = "resumen")
     private String resumen;
 
     @Column(name = "nivel_ingles")
+    @Min(value = 1)
+    @Max(value = 5)
     private long nivelIngles;
 
     @Column(name = "curriculum")
     private String curriculum;
 
     @Column(name = "modalidad")
+    @NotNull
     private String modalidad;
 
     @Column(name = "disponibilidad")
diff --git a/curriculumsearch/src/main/java/com/roshka/modelo/PostulanteTecnologia.java b/curriculumsearch/src/main/java/com/roshka/modelo/PostulanteTecnologia.java
index 21aa0ff..f74db15 100644
--- a/curriculumsearch/src/main/java/com/roshka/modelo/PostulanteTecnologia.java
+++ b/curriculumsearch/src/main/java/com/roshka/modelo/PostulanteTecnologia.java
@@ -8,6 +8,9 @@ import javax.persistence.Id;
 import javax.persistence.JoinColumn;
 import javax.persistence.ManyToOne;
 import javax.persistence.Table;
+import javax.validation.constraints.Max;
+import javax.validation.constraints.Min;
+import javax.validation.constraints.NotBlank;
 
 import com.fasterxml.jackson.annotation.JsonBackReference;
 @Entity 
@@ -18,15 +21,20 @@ public class PostulanteTecnologia {
    @GeneratedValue(strategy = GenerationType.AUTO)
    @Column(name="id")
    private long id ;
+
    @Column(name="nivel")
+   @Min(value = 1)
+   @Max(value = 5)
    private Long nivel;
+
     @ManyToOne()
     @JoinColumn
    private Tecnologia tecnologia;
-   @ManyToOne()
+
+    @ManyToOne()
    @JoinColumn
    @JsonBackReference
-   private Postulante postulante;
+    private Postulante postulante;
 public long getId() {
     return id;
 }
diff --git a/curriculumsearch/src/main/java/com/roshka/modelo/Tecnologia.java b/curriculumsearch/src/main/java/com/roshka/modelo/Tecnologia.java
index a870a28..faa72ec 100644
--- a/curriculumsearch/src/main/java/com/roshka/modelo/Tecnologia.java
+++ b/curriculumsearch/src/main/java/com/roshka/modelo/Tecnologia.java
@@ -6,6 +6,7 @@ import javax.persistence.GeneratedValue;
 import javax.persistence.GenerationType;
 import javax.persistence.Id;
 import javax.persistence.Table;
+import javax.validation.constraints.NotBlank;
 
 @Entity
 @Table(name="tecnologia")
@@ -16,6 +17,7 @@ public class Tecnologia {
 	private long id;
 	
 	@Column(name="nombre")
+	@NotBlank
     private String nombre;
     
 	
diff --git a/curriculumsearch/src/main/resources/static/main.js b/curriculumsearch/src/main/resources/static/main.js
index 96c86fa..fb66ba7 100644
--- a/curriculumsearch/src/main/resources/static/main.js
+++ b/curriculumsearch/src/main/resources/static/main.js
@@ -96,7 +96,9 @@ form.addEventListener("submit",(evt)=>{
     
     postData('postulante', serializeJSON(form))
     .then(response => {
-        location.replace(response.url);
+        if(response.status==200 || response.status==302){
+            location.replace(response.url);
+        }
     });
     evt.preventDefault();
 } );
\ No newline at end of file