diff --git a/backend/internal/bootstrap/bootstrap.go b/backend/internal/bootstrap/bootstrap.go
index 647bea2c..c1376494 100644
--- a/backend/internal/bootstrap/bootstrap.go
+++ b/backend/internal/bootstrap/bootstrap.go
@@ -42,6 +42,7 @@ func migrateSchemas(db *gorm.DB) error {
 		&domain.ClientConsent{},
 		&domain.KetoOutbox{},
 		&domain.SharedLink{},
+		&domain.DeveloperRequest{},
 	// &domain.RelyingParty{}, // Removed: SSOT is Hydra + Keto
 	)
 }
diff --git a/backend/internal/domain/developer_request.go b/backend/internal/domain/developer_request.go
new file mode 100644
index 00000000..73c8b5c5
--- /dev/null
+++ b/backend/internal/domain/developer_request.go
@@ -0,0 +1,25 @@
+package domain
+
+import (
+	"time"
+)
+
+const (
+	DeveloperRequestStatusPending  = "pending"
+	DeveloperRequestStatusApproved = "approved"
+	DeveloperRequestStatusRejected = "rejected"
+)
+
+// DeveloperRequest represents a user's application to become a developer.
+type DeveloperRequest struct {
+	ID           uint      `gorm:"primaryKey" json:"id"`
+	UserID       string    `gorm:"index;not null" json:"userId"` // Kratos User ID
+	TenantID     string    `gorm:"index;not null" json:"tenantId"`
+	Name         string    `gorm:"not null" json:"name"`
+	Organization string    `json:"organization"`
+	Reason       string    `json:"reason"`
+	Status       string    `gorm:"default:'pending';not null" json:"status"` // pending, approved, rejected
+	AdminNotes   string    `json:"adminNotes"`
+	CreatedAt    time.Time `json:"createdAt"`
+	UpdatedAt    time.Time `json:"updatedAt"`
+}
diff --git a/backend/internal/service/developer_service.go b/backend/internal/service/developer_service.go
new file mode 100644
index 00000000..8097b023
--- /dev/null
+++ b/backend/internal/service/developer_service.go
@@ -0,0 +1,73 @@
+package service
+
+import (
+	"baron-sso-backend/internal/domain"
+	"context"
+	"errors"
+
+	"gorm.io/gorm"
+)
+
+type DeveloperService struct {
+	db *gorm.DB
+}
+
+func NewDeveloperService(db *gorm.DB) *DeveloperService {
+	return &DeveloperService{db: db}
+}
+
+func (s *DeveloperService) RequestAccess(ctx context.Context, req domain.DeveloperRequest) error {
+	// Check if there is already a pending request
+	var existing domain.DeveloperRequest
+	err := s.db.WithContext(ctx).Where("user_id = ? AND tenant_id = ? AND status = ?", req.UserID, req.TenantID, domain.DeveloperRequestStatusPending).First(&existing).Error
+	if err == nil {
+		return errors.New("already has a pending request")
+	}
+
+	return s.db.WithContext(ctx).Create(&req).Error
+}
+
+func (s *DeveloperService) GetRequestStatus(ctx context.Context, userID, tenantID string) (*domain.DeveloperRequest, error) {
+	var req domain.DeveloperRequest
+	err := s.db.WithContext(ctx).Where("user_id = ? AND tenant_id = ?", userID, tenantID).Order("created_at DESC").First(&req).Error
+	if err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return nil, nil
+		}
+		return nil, err
+	}
+	return &req, nil
+}
+
+func (s *DeveloperService) GetRequestByID(ctx context.Context, id uint) (*domain.DeveloperRequest, error) {
+	var req domain.DeveloperRequest
+	err := s.db.WithContext(ctx).First(&req, id).Error
+	if err != nil {
+		return nil, err
+	}
+	return &req, nil
+}
+
+func (s *DeveloperService) ListRequests(ctx context.Context, status string) ([]domain.DeveloperRequest, error) {
+	var requests []domain.DeveloperRequest
+	query := s.db.WithContext(ctx)
+	if status != "" {
+		query = query.Where("status = ?", status)
+	}
+	err := query.Order("created_at DESC").Find(&requests).Error
+	return requests, err
+}
+
+func (s *DeveloperService) ApproveRequest(ctx context.Context, id uint, adminNotes string) error {
+	return s.db.WithContext(ctx).Model(&domain.DeveloperRequest{}).Where("id = ?", id).Updates(map[string]interface{}{
+		"status":      domain.DeveloperRequestStatusApproved,
+		"admin_notes": adminNotes,
+	}).Error
+}
+
+func (s *DeveloperService) RejectRequest(ctx context.Context, id uint, adminNotes string) error {
+	return s.db.WithContext(ctx).Model(&domain.DeveloperRequest{}).Where("id = ?", id).Updates(map[string]interface{}{
+		"status":      domain.DeveloperRequestStatusRejected,
+		"admin_notes": adminNotes,
+	}).Error
+}