diff --git a/server/src/lib/jobs/backsync-kamai-data.ts b/server/src/lib/jobs/backsync-kamai-data.ts
new file mode 100644
index 000000000..105a9bfa7
--- /dev/null
+++ b/server/src/lib/jobs/backsync-kamai-data.ts
@@ -0,0 +1,57 @@
+/* eslint-disable no-await-in-loop */
+import db from "external/mongo/db";
+import { VERSION_INFO } from "lib/constants/version";
+import { PullDatabaseSeeds } from "lib/database-seeds/repo";
+import CreateLogCtx from "lib/logger/logger";
+
+const logger = CreateLogCtx(__filename);
+
+/**
+ * The tachi-server may have its BMS or PMS database update. It needs to sync this
+ * information back with the seeds.
+ */
+export async function BacksyncKamaiSongsAndCharts() {
+	for (const branch of ["staging", `release/${VERSION_INFO.major}.${VERSION_INFO.minor}`]) {
+		const repo = await PullDatabaseSeeds(undefined, branch);
+
+		for (const game of ["iidx"] as const) {
+			logger.info(`Fetching ${game} songs from DB.`);
+
+			// did you know, this code is liable to blow up in my face and OOM one day?
+			let songs = await db.songs[game].find({});
+
+			logger.info(`Found ${songs.length} ${game} songs.`);
+
+			await repo.WriteCollection(`songs-${game}`, songs);
+
+			// @ts-expect-error This is obviously making something nullable when it shouldn't be.
+			// but if we don't *force* node to free this damn memory, it kills itself when it
+			// tries to read even more stuff.
+			songs = null;
+
+			logger.info(`Fetching ${game} charts from DB.`);
+			let charts = await db.charts[game].find({});
+
+			logger.info(`Found ${charts.length} bms charts.`);
+
+			await repo.WriteCollection(`charts-${game}`, charts);
+
+			// @ts-expect-error See previous expect-error.
+			charts = null;
+		}
+
+		await repo.CommitChangesBack(`Backsync Kamai Songs/Charts ${new Date().toISOString()}`);
+
+		await repo.Destroy();
+	}
+}
+
+if (require.main === module) {
+	 BacksyncKamaiSongsAndCharts()
+		.then(() => process.exit(0))
+		.catch((err: unknown) => {
+			logger.error(`Failed to backsync bms/pms songs and charts.`, { err }, () => {
+				process.exit(1);
+			});
+		});
+}
diff --git a/server/src/scripts/iidx-tierlist/get-sp12-data.ts b/server/src/lib/jobs/get-sp12-data.ts
similarity index 100%
rename from server/src/scripts/iidx-tierlist/get-sp12-data.ts
rename to server/src/lib/jobs/get-sp12-data.ts