diff --git a/src/models/inventoryModels/inventoryModel.ts b/src/models/inventoryModels/inventoryModel.ts
index 1b990228..47c8da96 100644
--- a/src/models/inventoryModels/inventoryModel.ts
+++ b/src/models/inventoryModels/inventoryModel.ts
@@ -1414,7 +1414,7 @@ const inventorySchema = new Schema<IInventoryDatabase, InventoryDocumentProps>(
 
         //https://warframe.fandom.com/wiki/Heist
         //ProfitTaker(1-4) Example:"LocationTag": "EudicoHeists", "Jobs":Mission name
-        CompletedJobChains: [completedJobChainsSchema],
+        CompletedJobChains: { type: [completedJobChainsSchema], default: undefined },
         //Night Wave Challenge
         SeasonChallengeHistory: [seasonChallengeHistorySchema],
 
diff --git a/src/services/missionInventoryUpdateService.ts b/src/services/missionInventoryUpdateService.ts
index ab5bdcdb..e0641adf 100644
--- a/src/services/missionInventoryUpdateService.ts
+++ b/src/services/missionInventoryUpdateService.ts
@@ -143,6 +143,28 @@ export const addMissionInventoryUpdates = async (
         if (inventoryUpdates.RewardInfo.NemesisAbandonedRewards) {
             inventory.NemesisAbandonedRewards = inventoryUpdates.RewardInfo.NemesisAbandonedRewards;
         }
+        if (inventoryUpdates.MissionStatus == "GS_SUCCESS" && inventoryUpdates.RewardInfo.jobId) {
+            // e.g. for Profit-Taker Phase 1:
+            // JobTier: -6,
+            // jobId: '/Lotus/Types/Gameplay/Venus/Jobs/Heists/HeistProfitTakerBountyOne_-6_SolarisUnitedHub1_663a71c80000000000000025_EudicoHeists',
+            // This is sent multiple times, with JobStage starting at 0 and incrementing each time, but only the final upload has GS_SUCCESS.
+
+            // eslint-disable-next-line @typescript-eslint/no-unused-vars
+            const [bounty, tier, hub, id, tag] = inventoryUpdates.RewardInfo.jobId.split("_");
+            if (tag == "EudicoHeists") {
+                inventory.CompletedJobChains ??= [];
+                let chain = inventory.CompletedJobChains.find(x => x.LocationTag == tag);
+                if (!chain) {
+                    chain =
+                        inventory.CompletedJobChains[
+                            inventory.CompletedJobChains.push({ LocationTag: tag, Jobs: [] }) - 1
+                        ];
+                }
+                if (!chain.Jobs.includes(bounty)) {
+                    chain.Jobs.push(bounty);
+                }
+            }
+        }
     }
     for (const [key, value] of getEntriesUnsafe(inventoryUpdates)) {
         if (value === undefined) {
diff --git a/src/types/inventoryTypes/inventoryTypes.ts b/src/types/inventoryTypes/inventoryTypes.ts
index c25b7123..244e71bd 100644
--- a/src/types/inventoryTypes/inventoryTypes.ts
+++ b/src/types/inventoryTypes/inventoryTypes.ts
@@ -292,7 +292,7 @@ export interface IInventoryClient extends IDailyAffiliations, InventoryClientEqu
     RecentVendorPurchases?: IRecentVendorPurchaseClient[];
     NodeIntrosCompleted: string[];
     GuildId?: IOid;
-    CompletedJobChains: ICompletedJobChain[];
+    CompletedJobChains?: ICompletedJobChain[];
     SeasonChallengeHistory: ISeasonChallenge[];
     EquippedInstrument?: string;
     InvasionChainProgress: IInvasionChainProgress[];
diff --git a/src/types/requestTypes.ts b/src/types/requestTypes.ts
index 173d150d..1f00fa45 100644
--- a/src/types/requestTypes.ts
+++ b/src/types/requestTypes.ts
@@ -143,6 +143,13 @@ export interface IRewardInfo {
     PurgatoryRewardQualifications?: string;
     rewardSeed?: number;
     periodicMissionTag?: string;
+
+    // for bounties, only EOM_AFK and node are given from above, plus:
+    JobTier?: string;
+    jobId?: string;
+    JobStage?: string;
+    Q?: boolean; // always false?
+    CheckpointCounter?: number; // starts at 1, is incremented with each job stage upload, and does not reset when starting a new job
 }
 
 export type IMissionStatus = "GS_SUCCESS" | "GS_FAILURE" | "GS_DUMPED" | "GS_QUIT" | "GS_INTERRUPTED";