diff --git a/src/job_sorter.go b/src/job_sorter.go
new file mode 100644
index 0000000..1fdd1c3
--- /dev/null
+++ b/src/job_sorter.go
@@ -0,0 +1,13 @@
+package main
+
+type JobSorter []Job
+
+func (s JobSorter) Len() int {
+	return len(s)
+}
+func (s JobSorter) Swap(i, j int) {
+	s[i], s[j] = s[j], s[i]
+}
+func (s JobSorter) Less(i, j int) bool {
+	return s[i].CreatedAt < s[j].CreatedAt
+}