diff --git a/app/core/exceptions.py b/app/core/exceptions.py
new file mode 100644
index 0000000..f44b4d9
--- /dev/null
+++ b/app/core/exceptions.py
@@ -0,0 +1,11 @@
+from fastapi import HTTPException, status
+class AlemnoException(Exception):
+    pass
+class JobNotFoundException(AlemnoException):
+    def __init__(self, job_id: str):
+        self.job_id = job_id
+        super().__init__(f"Job with ID {job_id} not found")
+class InvalidCSVException(AlemnoException):
+    def __init__(self, detail: str):
+        self.detail = detail
+        super().__init__(detail)
diff --git a/app/core/logging.py b/app/core/logging.py
new file mode 100644
index 0000000..b210329
--- /dev/null
+++ b/app/core/logging.py
@@ -0,0 +1,11 @@
+import logging
+import sys
+
+# Configure logging format
+logging.basicConfig(
+    level=logging.INFO,
+    format="%(asctime)s [%(levelname)s] %(name)s: %(message)s",
+    handlers=[logging.StreamHandler(sys.stdout)],
+)
+
+logger = logging.getLogger("alemno_payments")