diff --git a/backend/modules.go b/backend/modules.go
index cb2f8e6..a7190b0 100644
--- a/backend/modules.go
+++ b/backend/modules.go
@@ -679,6 +679,20 @@ type jiraConfig struct {
 	StatusMap   map[string]string   `json:"status_map"`             // kanban_column_name -> Jira status name
 	LabelsMap   map[string][]string `json:"labels_map,omitempty"`   // kanban_column_name -> Jira labels (replaces every sync)
 	AssigneeMap map[string]string   `json:"assignee_map,omitempty"` // kanban_user_id -> Jira accountId
+
+	// RequesterField is the Jira custom field id (e.g. "customfield_10158",
+	// "Área Solicitante") that some issue types (Epic, Mejora in project DATA)
+	// mark as required on the create screen. When set, create()/update() send a
+	// single-select option value resolved from the kanban card's requester.
+	RequesterField string `json:"requester_field,omitempty"`
+	// RequesterMap translates the free-text kanban requester to a Jira option
+	// value. Matched case-insensitively. Kanban requesters are usually person
+	// names, so most cards fall through to RequesterDefault.
+	RequesterMap map[string]string `json:"requester_map,omitempty"`
+	// RequesterDefault is the option value used when the card requester is
+	// empty or not present in RequesterMap. Required field never goes unfilled
+	// as long as this is set.
+	RequesterDefault string `json:"requester_default,omitempty"`
 }
 
 func parseJiraConfig(m Module) (jiraConfig, error) {
@@ -823,6 +837,10 @@ func (h *jiraHandler) create(ctx context.Context, db *DB, c jiraConfig, ev Event
 	if acct := resolveJiraAssignee(c, card); acct != "" {
 		fields["assignee"] = map[string]string{"accountId": acct}
 	}
+	// Epic / Mejora issue types require "Área Solicitante" on the create
+	// screen. Fill it from the card requester (mapped) or the default so the
+	// create does not 400 on a missing required field.
+	applyRequesterField(c, card, fields)
 	body := map[string]interface{}{"fields": fields}
 	status, resp, err := h.jiraRequest(ctx, c, http.MethodPost, "/rest/api/3/issue", body)
 	if err != nil {
@@ -876,6 +894,9 @@ func (h *jiraHandler) update(ctx context.Context, db *DB, c jiraConfig, ev Event
 	if acct := resolveJiraAssignee(c, card); acct != "" {
 		fields["assignee"] = map[string]string{"accountId": acct}
 	}
+	// Keep "Área Solicitante" populated on edits too — the field is required
+	// and a PUT that omits it can be rejected on the edit screen.
+	applyRequesterField(c, card, fields)
 	body := map[string]interface{}{"fields": fields}
 	status, _, err := h.jiraRequest(ctx, c, http.MethodPut, "/rest/api/3/issue/"+card.JiraKey, body)
 	return status, err
@@ -892,6 +913,38 @@ func resolveJiraAssignee(c jiraConfig, card *cardForJira) string {
 	return c.AssigneeMap[card.AssigneeID]
 }
 
+// resolveRequesterOption maps the card's requester to a Jira single-select
+// option value for RequesterField. Lookup order: exact map hit, case-insensitive
+// map hit, then RequesterDefault. Returns "" only when the field is unconfigured
+// or no default exists, signalling the caller to omit it.
+func resolveRequesterOption(c jiraConfig, card *cardForJira) string {
+	if c.RequesterField == "" {
+		return ""
+	}
+	if card != nil {
+		r := strings.TrimSpace(card.Requester)
+		if r != "" && len(c.RequesterMap) > 0 {
+			if v, ok := c.RequesterMap[r]; ok {
+				return v
+			}
+			for k, v := range c.RequesterMap {
+				if strings.EqualFold(k, r) {
+					return v
+				}
+			}
+		}
+	}
+	return c.RequesterDefault
+}
+
+// applyRequesterField injects RequesterField as a single-select option into a
+// Jira fields map when configured and resolvable. No-op otherwise.
+func applyRequesterField(c jiraConfig, card *cardForJira, fields map[string]interface{}) {
+	if opt := resolveRequesterOption(c, card); opt != "" {
+		fields[c.RequesterField] = map[string]string{"value": opt}
+	}
+}
+
 // transition uses the configured status_map to translate the kanban column
 // to a Jira transition name. Kanban remains the source of truth even if
 // Jira's current state differs.
diff --git a/backend/seed_jira.go b/backend/seed_jira.go
index 9f6d271..81edf0a 100644
--- a/backend/seed_jira.go
+++ b/backend/seed_jira.go
@@ -33,6 +33,10 @@ func runSeedJiraData(args []string) error {
 		"Comma-separated event types this module subscribes to")
 	enabled := fs.Bool("enabled", true, "Start with module enabled (true) or disabled (false)")
 	passEntry := fs.String("pass-prefix", "jira/anjana", "pass entry prefix; reads ${prefix}/{email,api-token,domain}")
+	requesterField := fs.String("requester-field", "customfield_10158",
+		"Jira custom field id for the required 'Área Solicitante' select (empty to disable)")
+	requesterDefault := fs.String("requester-default", "Transformación",
+		"Default 'Área Solicitante' option value for auto-created cards whose requester is not mapped")
 	if err := fs.Parse(args); err != nil {
 		return err
 	}
@@ -91,6 +95,10 @@ func runSeedJiraData(args []string) error {
 		"labels_map":   labelsMap,
 		"assignee_map": assigneeMap,
 	}
+	if *requesterField != "" {
+		cfg["requester_field"] = *requesterField
+		cfg["requester_default"] = *requesterDefault
+	}
 
 	// Upsert by name. Module name is the human-friendly identifier; we treat
 	// it as unique for the purposes of seeding so re-running this command does
@@ -111,7 +119,14 @@ func runSeedJiraData(args []string) error {
 		existing.Kind = "jira"
 		existing.Enabled = *enabled
 		existing.EventFilter = splitCSV(*filter)
-		existing.Config = cfg
+		// Merge so keys the operator added via the UI (e.g. a custom
+		// requester_map) survive a re-seed. Seed-managed keys are refreshed.
+		if existing.Config == nil {
+			existing.Config = JSONValue{}
+		}
+		for k, v := range cfg {
+			existing.Config[k] = v
+		}
 		if err := db.saveModule(existing); err != nil {
 			return fmt.Errorf("update module: %w", err)
 		}