diff --git a/backend/cmd/server/main.go b/backend/cmd/server/main.go
index 1a835f59..f37fcfc9 100644
--- a/backend/cmd/server/main.go
+++ b/backend/cmd/server/main.go
@@ -226,7 +226,7 @@ func main() {
 	auditHandler := handler.NewAuditHandler(auditRepo)
 	authHandler := handler.NewAuthHandler(redisService, idpProvider, auditRepo)
 	adminHandler := handler.NewAdminHandler()
-	devHandler := handler.NewDevHandler()
+	devHandler := handler.NewDevHandler(redisService)
 	tenantHandler := handler.NewTenantHandler(db)
 	kratosAdminService := service.NewKratosAdminService()
 	oryAdminProvider := service.NewOryProvider()
diff --git a/backend/internal/handler/dev_handler.go b/backend/internal/handler/dev_handler.go
index 1f9ba05a..19e72276 100644
--- a/backend/internal/handler/dev_handler.go
+++ b/backend/internal/handler/dev_handler.go
@@ -12,11 +12,13 @@ import (
 
 type DevHandler struct {
 	Hydra *service.HydraAdminService
+	Redis *service.RedisService
 }
 
-func NewDevHandler() *DevHandler {
+func NewDevHandler(redis *service.RedisService) *DevHandler {
 	return &DevHandler{
 		Hydra: service.NewHydraAdminService(),
+		Redis: redis,
 	}
 }
 
@@ -102,7 +104,7 @@ func (h *DevHandler) ListClients(c *fiber.Ctx) error {
 
 	items := make([]clientSummary, 0, len(clients))
 	for _, client := range clients {
-		items = append(items, mapClientSummary(client))
+		items = append(items, h.mapClientSummary(client))
 	}
 
 	return c.JSON(clientListResponse{
@@ -126,7 +128,7 @@ func (h *DevHandler) GetClient(c *fiber.Ctx) error {
 		return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{"error": err.Error()})
 	}
 
-	summary := mapClientSummary(*client)
+	summary := h.mapClientSummary(*client)
 	return c.JSON(clientDetailResponse{
 		Client: summary,
 		Endpoints: clientEndpoints{
@@ -165,7 +167,7 @@ func (h *DevHandler) UpdateClientStatus(c *fiber.Ctx) error {
 		return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{"error": err.Error()})
 	}
 
-	summary := mapClientSummary(*updated)
+	summary := h.mapClientSummary(*updated)
 	return c.JSON(clientDetailResponse{
 		Client: summary,
 		Endpoints: clientEndpoints{
@@ -251,9 +253,14 @@ func (h *DevHandler) CreateClient(c *fiber.Ctx) error {
 		}
 		created.Metadata["client_secret"] = created.ClientSecret
 		_, _ = h.Hydra.UpdateClient(c.Context(), created.ClientID, *created)
+		
+		// Also store in Redis if available
+		if h.Redis != nil {
+			_ = h.Redis.Set("client_secret:"+created.ClientID, created.ClientSecret, 0)
+		}
 	}
 
-	summary := mapClientSummary(*created)
+	summary := h.mapClientSummary(*created)
 	return c.Status(fiber.StatusCreated).JSON(clientDetailResponse{
 		Client: summary,
 		Endpoints: clientEndpoints{
@@ -341,7 +348,7 @@ func (h *DevHandler) UpdateClient(c *fiber.Ctx) error {
 		return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{"error": err.Error()})
 	}
 
-	summary := mapClientSummary(*updatedClient)
+	summary := h.mapClientSummary(*updatedClient)
 	return c.JSON(clientDetailResponse{
 		Client: summary,
 		Endpoints: clientEndpoints{
@@ -367,6 +374,11 @@ func (h *DevHandler) DeleteClient(c *fiber.Ctx) error {
 		return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{"error": err.Error()})
 	}
 
+	// Clean up Redis
+	if h.Redis != nil {
+		_ = h.Redis.Delete("client_secret:" + clientID)
+	}
+
 	return c.SendStatus(fiber.StatusNoContent)
 }
 
@@ -416,7 +428,7 @@ func (h *DevHandler) RevokeConsents(c *fiber.Ctx) error {
 	return c.SendStatus(fiber.StatusNoContent)
 }
 
-func mapClientSummary(client service.HydraClient) clientSummary {
+func (h *DevHandler) mapClientSummary(client service.HydraClient) clientSummary {
 	status := "active"
 	if client.Metadata != nil {
 		if value, ok := client.Metadata["status"].(string); ok && strings.ToLower(value) == "inactive" {
@@ -436,6 +448,20 @@ func mapClientSummary(client service.HydraClient) clientSummary {
 
 	scopes := strings.Fields(client.Scope)
 
+	clientSecret := client.ClientSecret
+	// 1. Check Metadata (Legacy/Fallback)
+	if clientSecret == "" && client.Metadata != nil {
+		if val, ok := client.Metadata["client_secret"].(string); ok {
+			clientSecret = val
+		}
+	}
+	// 2. Check Redis (New)
+	if clientSecret == "" && h.Redis != nil {
+		if val, err := h.Redis.Get("client_secret:" + client.ClientID); err == nil && val != "" {
+			clientSecret = val
+		}
+	}
+
 	return clientSummary{
 		ID:           client.ClientID,
 		Name:         name,
@@ -443,7 +469,7 @@ func mapClientSummary(client service.HydraClient) clientSummary {
 		Status:       status,
 		RedirectURIs: client.RedirectURIs,
 		Scopes:       scopes,
-		ClientSecret: client.ClientSecret,
+		ClientSecret: clientSecret,
 		Metadata:     client.Metadata,
 	}
 }