diff --git a/modulo4/aprofundamento-typescript/.gitignore b/modulo4/aprofundamento-typescript/.gitignore
new file mode 100644
index 0000000..b512c09
--- /dev/null
+++ b/modulo4/aprofundamento-typescript/.gitignore
@@ -0,0 +1 @@
+node_modules
\ No newline at end of file
diff --git a/modulo4/aprofundamento-typescript/package-lock.json b/modulo4/aprofundamento-typescript/package-lock.json
new file mode 100644
index 0000000..bbc7260
--- /dev/null
+++ b/modulo4/aprofundamento-typescript/package-lock.json
@@ -0,0 +1,35 @@
+{
+  "name": "templateAPIsREST",
+  "version": "1.0.0",
+  "lockfileVersion": 2,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "templateAPIsREST",
+      "version": "1.0.0",
+      "license": "ISC",
+      "dependencies": {
+        "typescript": "^4.4.4"
+      }
+    },
+    "node_modules/typescript": {
+      "version": "4.4.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.4.4.tgz",
+      "integrity": "sha512-DqGhF5IKoBl8WNf8C1gu8q0xZSInh9j1kJJMqT3a94w1JzVaBU4EXOSMrz9yDqMT0xt3selp83fuFMQ0uzv6qA==",
+      "bin": {
+        "tsc": "bin/tsc",
+        "tsserver": "bin/tsserver"
+      },
+      "engines": {
+        "node": ">=4.2.0"
+      }
+    }
+  },
+  "dependencies": {
+    "typescript": {
+      "version": "4.4.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.4.4.tgz",
+      "integrity": "sha512-DqGhF5IKoBl8WNf8C1gu8q0xZSInh9j1kJJMqT3a94w1JzVaBU4EXOSMrz9yDqMT0xt3selp83fuFMQ0uzv6qA=="
+    }
+  }
+}
diff --git a/modulo4/aprofundamento-typescript/package.json b/modulo4/aprofundamento-typescript/package.json
new file mode 100644
index 0000000..e7973ff
--- /dev/null
+++ b/modulo4/aprofundamento-typescript/package.json
@@ -0,0 +1,15 @@
+{
+  "name": "templateAPIsREST",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "start": "node ./index.js"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "typescript": "^4.4.4"
+  }
+}
diff --git a/modulo4/aprofundamento-typescript/src/exercicio1.ts b/modulo4/aprofundamento-typescript/src/exercicio1.ts
new file mode 100644
index 0000000..f28f348
--- /dev/null
+++ b/modulo4/aprofundamento-typescript/src/exercicio1.ts
@@ -0,0 +1,24 @@
+
+enum CORES {
+    VERMELHA = "vermelha",
+    LARANJA = "laranja",
+    AMARELA = "amarela",
+    VERDE = "verde",
+    AZUL = "azul",
+    ANIL = "anil",
+    VIOLETA = "violeta"
+}
+
+type Pessoa = {
+    nome: string,
+    idade: number,
+    corFavorita: CORES
+}
+
+const minhaPessoa: Pessoa = {
+    nome: "astrodev",
+    idade: 35,
+    corFavorita: CORES.VIOLETA
+}
+
+console.log(minhaPessoa)
\ No newline at end of file
diff --git a/modulo4/aprofundamento-typescript/src/exercicio2.ts b/modulo4/aprofundamento-typescript/src/exercicio2.ts
new file mode 100644
index 0000000..d080bb1
--- /dev/null
+++ b/modulo4/aprofundamento-typescript/src/exercicio2.ts
@@ -0,0 +1,28 @@
+type Estatisticas = {
+    maior: number,
+    menor: number,
+    media: number
+}
+
+function obterEstatisticas(numeros: number[]): Estatisticas {
+
+    const numerosOrdenados: number[] = numeros.sort(
+        (a, b) => a - b
+    )
+
+    let soma: number = 0
+
+    for (let num of numeros) {
+        soma += num
+    }
+
+    const estatisticas: Estatisticas = {
+        maior: numerosOrdenados[numeros.length - 1],
+        menor: numerosOrdenados[0],
+        media: soma / numeros.length
+    }
+
+    return estatisticas
+}
+
+console.log(obterEstatisticas([1, 5, 6]))
\ No newline at end of file
diff --git a/modulo4/aprofundamento-typescript/src/exercicio3.ts b/modulo4/aprofundamento-typescript/src/exercicio3.ts
new file mode 100644
index 0000000..a3f83f4
--- /dev/null
+++ b/modulo4/aprofundamento-typescript/src/exercicio3.ts
@@ -0,0 +1,37 @@
+type Post = {
+    autor: string,
+    texto: string
+}
+
+const posts: Post[] = [
+    {
+      autor: "Alvo Dumbledore",
+      texto: "Não vale a pena viver sonhando e se esquecer de viver"
+    },
+    {
+      autor: "Severo Snape",
+      texto: "Menos 10 pontos para Grifinória!"
+    },
+    {
+      autor: "Hermione Granger",
+      texto: "É levi-ô-sa, não levio-sá!"
+    },
+    {
+      autor: "Dobby",
+      texto: "Dobby é um elfo livre!"
+    },
+    {
+      autor: "Lord Voldemort",
+      texto: "Avada Kedavra!"
+    }
+]
+
+function buscarPostsPorAutor(posts: Post[], autorInformado: string): Post[] {
+    return posts.filter(
+      (post) => {
+        return post.autor === autorInformado
+      }
+    )
+}
+
+console.log(buscarPostsPorAutor(posts, "Dobby"))
\ No newline at end of file
diff --git a/modulo4/aprofundamento-typescript/src/exercicio4.ts b/modulo4/aprofundamento-typescript/src/exercicio4.ts
new file mode 100644
index 0000000..71069ee
--- /dev/null
+++ b/modulo4/aprofundamento-typescript/src/exercicio4.ts
@@ -0,0 +1,23 @@
+type pokemon = {
+	name: string,
+  types: string,
+	healthPoints: number
+}
+
+const pokemon1: pokemon = {
+  name: "Charmander",
+  types: "Fire",
+  healthPoints: 28
+}
+
+const pokemon2: pokemon = {
+  name: "Bulbasaur",
+  types: "Grass/Poison",
+  healthPoints: 31
+}
+
+const pokemon3: pokemon = {
+  name: "Squirtle",
+  types: "Water",
+  healthPoints: 35
+}
\ No newline at end of file
diff --git a/modulo4/aprofundamento-typescript/src/index.ts b/modulo4/aprofundamento-typescript/src/index.ts
new file mode 100644
index 0000000..139597f
--- /dev/null
+++ b/modulo4/aprofundamento-typescript/src/index.ts
@@ -0,0 +1,2 @@
+
+
diff --git a/modulo4/aprofundamento-typescript/tsconfig.json b/modulo4/aprofundamento-typescript/tsconfig.json
new file mode 100644
index 0000000..e40c855
--- /dev/null
+++ b/modulo4/aprofundamento-typescript/tsconfig.json
@@ -0,0 +1,11 @@
+{
+  "compilerOptions": {
+      "target": "es6",            /* Specify ECMAScript target version */
+      "module": "commonjs",       /* Specify module code generation */
+      "sourceMap": true,          /* Generates corresponding '.map' file. */
+      "outDir": "./build",        /* Redirect output structure to the directory. */
+      "rootDir": "./src",         /* Specify the root directory of input files. */
+      "removeComments": true,    /* Do not emit comments to output. */
+      "noImplicitAny": true       /* Raise error on declarations with an implied 'any' type. */
+  }
+}
\ No newline at end of file