diff --git a/src/profiles_window.cpp b/src/profiles_window.cpp
index bbcea37..b00a8f2 100644
--- a/src/profiles_window.cpp
+++ b/src/profiles_window.cpp
@@ -1,18 +1,20 @@
 #include "profiles_window.h"
 
+#include "profile_repository.h"
 #include "session_window.h"
 
 #include <algorithm>
 
 #include <QAbstractItemView>
 #include <QHBoxLayout>
+#include <QInputDialog>
 #include <QLabel>
 #include <QLineEdit>
 #include <QListWidget>
 #include <QListWidgetItem>
 #include <QMessageBox>
 #include <QPushButton>
-#include <QStringList>
+#include <QVariant>
 #include <QVBoxLayout>
 #include <QWidget>
 
@@ -22,15 +24,32 @@ ProfilesWindow::ProfilesWindow(QWidget* parent)
       m_profilesList(nullptr),
       m_newButton(nullptr),
       m_editButton(nullptr),
-      m_deleteButton(nullptr)
+      m_deleteButton(nullptr),
+      m_repository(std::make_unique<ProfileRepository>())
 {
     setWindowTitle(QStringLiteral("OrbitHub Profiles"));
     resize(520, 620);
 
     setupUi();
-    populateSampleProfiles();
+
+    if (!m_repository->initError().isEmpty()) {
+        QMessageBox::critical(this,
+                              QStringLiteral("Database Error"),
+                              QStringLiteral("Failed to initialize SQLite database: %1")
+                                  .arg(m_repository->initError()));
+        m_newButton->setEnabled(false);
+        m_editButton->setEnabled(false);
+        m_deleteButton->setEnabled(false);
+        m_searchBox->setEnabled(false);
+        m_profilesList->setEnabled(false);
+        return;
+    }
+
+    loadProfiles();
 }
 
+ProfilesWindow::~ProfilesWindow() = default;
+
 void ProfilesWindow::setupUi()
 {
     auto* central = new QWidget(this);
@@ -63,51 +82,133 @@ void ProfilesWindow::setupUi()
     connect(m_searchBox,
             &QLineEdit::textChanged,
             this,
-            [this](const QString& text) { filterProfiles(text); });
+            [this](const QString& text) { loadProfiles(text); });
 
     connect(m_profilesList,
             &QListWidget::itemDoubleClicked,
             this,
             [this](QListWidgetItem* item) { openSessionForItem(item); });
 
-    // Milestone 0 keeps profile management as placeholders.
-    auto showTodo = [this](const QString& action) {
-        QMessageBox::information(this,
-                                 QStringLiteral("Milestone 0"),
-                                 QStringLiteral("%1 is planned for Milestone 1.").arg(action));
-    };
-
-    connect(m_newButton, &QPushButton::clicked, this, [showTodo]() { showTodo(QStringLiteral("New Profile")); });
-    connect(m_editButton, &QPushButton::clicked, this, [showTodo]() { showTodo(QStringLiteral("Edit Profile")); });
-    connect(m_deleteButton,
-            &QPushButton::clicked,
-            this,
-            [showTodo]() { showTodo(QStringLiteral("Delete Profile")); });
+    connect(m_newButton, &QPushButton::clicked, this, [this]() { createProfile(); });
+    connect(m_editButton, &QPushButton::clicked, this, [this]() { editSelectedProfile(); });
+    connect(m_deleteButton, &QPushButton::clicked, this, [this]() { deleteSelectedProfile(); });
 }
 
-void ProfilesWindow::populateSampleProfiles()
+void ProfilesWindow::loadProfiles(const QString& query)
 {
-    const QStringList sampleProfiles = {
-        QStringLiteral("Production Bastion"),
-        QStringLiteral("Staging API Host"),
-        QStringLiteral("Local Lab VM"),
-        QStringLiteral("CI Build Agent")};
+    m_profilesList->clear();
 
-    m_profilesList->addItems(sampleProfiles);
-}
-
-void ProfilesWindow::filterProfiles(const QString& query)
-{
-    const QString trimmed = query.trimmed();
-
-    for (int i = 0; i < m_profilesList->count(); ++i) {
-        QListWidgetItem* item = m_profilesList->item(i);
-        const bool matches = trimmed.isEmpty()
-            || item->text().contains(trimmed, Qt::CaseInsensitive);
-        item->setHidden(!matches);
+    const std::vector<Profile> profiles = m_repository->listProfiles(query);
+    for (const Profile& profile : profiles) {
+        auto* item = new QListWidgetItem(profile.name, m_profilesList);
+        item->setData(Qt::UserRole, QVariant::fromValue(profile.id));
     }
 }
 
+std::optional<qint64> ProfilesWindow::selectedProfileId() const
+{
+    QListWidgetItem* item = m_profilesList->currentItem();
+    if (item == nullptr) {
+        return std::nullopt;
+    }
+
+    const QVariant value = item->data(Qt::UserRole);
+    if (!value.isValid()) {
+        return std::nullopt;
+    }
+
+    return value.toLongLong();
+}
+
+void ProfilesWindow::createProfile()
+{
+    bool accepted = false;
+    const QString name = QInputDialog::getText(this,
+                                               QStringLiteral("New Profile"),
+                                               QStringLiteral("Profile name:"),
+                                               QLineEdit::Normal,
+                                               QString(),
+                                               &accepted);
+
+    if (!accepted || name.trimmed().isEmpty()) {
+        return;
+    }
+
+    if (!m_repository->createProfile(name).has_value()) {
+        QMessageBox::warning(this,
+                             QStringLiteral("Create Profile"),
+                             QStringLiteral("Failed to create profile. Names must be unique."));
+        return;
+    }
+
+    loadProfiles(m_searchBox->text());
+}
+
+void ProfilesWindow::editSelectedProfile()
+{
+    const std::optional<qint64> profileId = selectedProfileId();
+    QListWidgetItem* currentItem = m_profilesList->currentItem();
+    if (!profileId.has_value() || currentItem == nullptr) {
+        QMessageBox::information(this,
+                                 QStringLiteral("Edit Profile"),
+                                 QStringLiteral("Select a profile first."));
+        return;
+    }
+
+    bool accepted = false;
+    const QString name = QInputDialog::getText(this,
+                                               QStringLiteral("Edit Profile"),
+                                               QStringLiteral("Profile name:"),
+                                               QLineEdit::Normal,
+                                               currentItem->text(),
+                                               &accepted);
+
+    if (!accepted || name.trimmed().isEmpty()) {
+        return;
+    }
+
+    if (!m_repository->updateProfile(profileId.value(), name)) {
+        QMessageBox::warning(this,
+                             QStringLiteral("Edit Profile"),
+                             QStringLiteral("Failed to update profile. Names must be unique."));
+        return;
+    }
+
+    loadProfiles(m_searchBox->text());
+}
+
+void ProfilesWindow::deleteSelectedProfile()
+{
+    const std::optional<qint64> profileId = selectedProfileId();
+    QListWidgetItem* currentItem = m_profilesList->currentItem();
+    if (!profileId.has_value() || currentItem == nullptr) {
+        QMessageBox::information(this,
+                                 QStringLiteral("Delete Profile"),
+                                 QStringLiteral("Select a profile first."));
+        return;
+    }
+
+    const QMessageBox::StandardButton confirm = QMessageBox::question(
+        this,
+        QStringLiteral("Delete Profile"),
+        QStringLiteral("Delete profile '%1'?").arg(currentItem->text()),
+        QMessageBox::Yes | QMessageBox::No,
+        QMessageBox::No);
+
+    if (confirm != QMessageBox::Yes) {
+        return;
+    }
+
+    if (!m_repository->deleteProfile(profileId.value())) {
+        QMessageBox::warning(this,
+                             QStringLiteral("Delete Profile"),
+                             QStringLiteral("Failed to delete profile."));
+        return;
+    }
+
+    loadProfiles(m_searchBox->text());
+}
+
 void ProfilesWindow::openSessionForItem(QListWidgetItem* item)
 {
     if (item == nullptr) {
diff --git a/src/profiles_window.h b/src/profiles_window.h
index 67965de..36c3c46 100644
--- a/src/profiles_window.h
+++ b/src/profiles_window.h
@@ -3,7 +3,10 @@
 
 #include <QMainWindow>
 #include <QString>
+#include <QtGlobal>
 
+#include <memory>
+#include <optional>
 #include <QPointer>
 #include <vector>
 
@@ -12,6 +15,7 @@ class QListWidgetItem;
 class QLineEdit;
 class QPushButton;
 class SessionWindow;
+class ProfileRepository;
 
 class ProfilesWindow : public QMainWindow
 {
@@ -19,6 +23,7 @@ class ProfilesWindow : public QMainWindow
 
 public:
     explicit ProfilesWindow(QWidget* parent = nullptr);
+    ~ProfilesWindow() override;
 
 private:
     QLineEdit* m_searchBox;
@@ -27,10 +32,14 @@ private:
     QPushButton* m_editButton;
     QPushButton* m_deleteButton;
     std::vector<QPointer<SessionWindow>> m_sessionWindows;
+    std::unique_ptr<ProfileRepository> m_repository;
 
     void setupUi();
-    void populateSampleProfiles();
-    void filterProfiles(const QString& query);
+    void loadProfiles(const QString& query = QString());
+    std::optional<qint64> selectedProfileId() const;
+    void createProfile();
+    void editSelectedProfile();
+    void deleteSelectedProfile();
     void openSessionForItem(QListWidgetItem* item);
 };