diff --git a/backend/src/app.module.ts b/backend/src/app.module.ts
index fa47d08..f09fa13 100644
--- a/backend/src/app.module.ts
+++ b/backend/src/app.module.ts
@@ -1,5 +1,6 @@
 import { Module } from '@nestjs/common';
 import { ConfigModule } from '@nestjs/config';
+import { BullModule } from '@nestjs/bullmq';
 import { PrismaModule } from './prisma/prisma.module';
 import { TenantModule } from './tenant/tenant.module';
 import { AuthModule } from './auth/auth.module';
@@ -17,6 +18,12 @@ import { KnowledgeModule } from './knowledge/knowledge.module';
     ConfigModule.forRoot({
       isGlobal: true,
     }),
+    BullModule.forRoot({
+      connection: {
+        host: process.env.REDIS_HOST || 'platform-redis',
+        port: parseInt(process.env.REDIS_PORT || '6379', 10),
+      },
+    }),
     PrismaModule,
     TenantModule,
     AuthModule,
diff --git a/backend/src/knowledge/knowledge.module.ts b/backend/src/knowledge/knowledge.module.ts
index 98803e7..d5b62ef 100644
--- a/backend/src/knowledge/knowledge.module.ts
+++ b/backend/src/knowledge/knowledge.module.ts
@@ -1,16 +1,31 @@
 import { Module } from '@nestjs/common';
+import { BullModule } from '@nestjs/bullmq';
 import { KnowledgeController } from './knowledge.controller';
 import { CommentService } from './services/comment.service';
 import { SemanticOrchestratorService } from './services/semantic-orchestrator.service';
 import { SemanticChunkerService } from './services/semantic-chunker.service';
 import { SemanticLinkService } from './services/semantic-link.service';
+import { SemanticRefreshQueueService } from './services/semantic-refresh-queue.service';
+import { SemanticRefreshProcessor } from './semantic-refresh.processor';
 import { TenantModule } from '../tenant/tenant.module';
 import { MeilisearchModule } from '../search/meilisearch.module';
+import { SEMANTIC_REFRESH_QUEUE } from './semantic-refresh.constants';
 
 @Module({
-  imports: [TenantModule, MeilisearchModule],
+  imports: [
+    TenantModule,
+    MeilisearchModule,
+    BullModule.registerQueue({ name: SEMANTIC_REFRESH_QUEUE }),
+  ],
   controllers: [KnowledgeController],
-  providers: [CommentService, SemanticOrchestratorService, SemanticChunkerService, SemanticLinkService],
-  exports: [SemanticOrchestratorService],
+  providers: [
+    CommentService,
+    SemanticOrchestratorService,
+    SemanticChunkerService,
+    SemanticLinkService,
+    SemanticRefreshQueueService,
+    SemanticRefreshProcessor,
+  ],
+  exports: [SemanticOrchestratorService, SemanticRefreshQueueService],
 })
 export class KnowledgeModule {}
diff --git a/backend/src/knowledge/semantic-refresh.constants.ts b/backend/src/knowledge/semantic-refresh.constants.ts
new file mode 100644
index 0000000..519da64
--- /dev/null
+++ b/backend/src/knowledge/semantic-refresh.constants.ts
@@ -0,0 +1,3 @@
+export const SEMANTIC_REFRESH_QUEUE = 'semantic-refresh';
+
+export const SEMANTIC_REFRESH_JOB = 'refresh-record';
diff --git a/backend/src/knowledge/semantic-refresh.processor.ts b/backend/src/knowledge/semantic-refresh.processor.ts
new file mode 100644
index 0000000..d0bb072
--- /dev/null
+++ b/backend/src/knowledge/semantic-refresh.processor.ts
@@ -0,0 +1,45 @@
+import { Processor, WorkerHost } from '@nestjs/bullmq';
+import { Logger } from '@nestjs/common';
+import { Job } from 'bullmq';
+import { SemanticOrchestratorService } from './services/semantic-orchestrator.service';
+import { SEMANTIC_REFRESH_QUEUE } from './semantic-refresh.constants';
+
+export type SemanticRefreshJobData = {
+  tenantId: string;
+  objectApiName: string;
+  recordId: string;
+  userId?: string;
+  trigger: string;
+};
+
+@Processor(SEMANTIC_REFRESH_QUEUE)
+export class SemanticRefreshProcessor extends WorkerHost {
+  private readonly logger = new Logger(SemanticRefreshProcessor.name);
+
+  constructor(
+    private readonly semanticOrchestratorService: SemanticOrchestratorService,
+  ) {
+    super();
+  }
+
+  async process(job: Job<SemanticRefreshJobData>): Promise<void> {
+    const { tenantId, objectApiName, recordId, userId, trigger } = job.data;
+    this.logger.log(
+      `Processing semantic refresh: ${objectApiName}:${recordId} trigger=${trigger}`,
+    );
+    try {
+      await this.semanticOrchestratorService.refreshRecord(
+        tenantId,
+        objectApiName,
+        recordId,
+        userId,
+        trigger,
+      );
+    } catch (error) {
+      this.logger.error(
+        `Semantic refresh failed: ${objectApiName}:${recordId} trigger=${trigger} error=${error.message}`,
+      );
+      throw error; // Let BullMQ handle retries
+    }
+  }
+}
diff --git a/backend/src/knowledge/services/comment.service.ts b/backend/src/knowledge/services/comment.service.ts
index ad1e2ac..3b04599 100644
--- a/backend/src/knowledge/services/comment.service.ts
+++ b/backend/src/knowledge/services/comment.service.ts
@@ -1,13 +1,13 @@
 import { ForbiddenException, Injectable, NotFoundException } from '@nestjs/common';
 import { TenantDatabaseService } from '../../tenant/tenant-database.service';
 import { CreateCommentDto, UpdateCommentDto } from '../dto/comment.dto';
-import { SemanticOrchestratorService } from './semantic-orchestrator.service';
+import { SemanticRefreshQueueService } from './semantic-refresh-queue.service';
 
 @Injectable()
 export class CommentService {
   constructor(
     private readonly tenantDbService: TenantDatabaseService,
-    private readonly semanticOrchestratorService: SemanticOrchestratorService,
+    private readonly semanticRefreshQueue: SemanticRefreshQueueService,
   ) {}
 
   async listComments(tenantId: string, parentObjectApiName: string, parentRecordId: string) {
@@ -36,7 +36,7 @@ export class CommentService {
     console.log(
       `[Knowledge] Comment created: ${dto.parentObjectApiName}:${dto.parentRecordId} by ${userId}`,
     );
-    await this.semanticOrchestratorService.refreshRecord(
+    await this.semanticRefreshQueue.enqueue(
       tenantId,
       dto.parentObjectApiName,
       dto.parentRecordId,
@@ -69,7 +69,7 @@ export class CommentService {
     console.log(
       `[Knowledge] Comment updated: ${existing.parent_object_api_name}:${existing.parent_record_id} by ${userId}`,
     );
-    await this.semanticOrchestratorService.refreshRecord(
+    await this.semanticRefreshQueue.enqueue(
       tenantId,
       existing.parent_object_api_name,
       existing.parent_record_id,
@@ -97,7 +97,7 @@ export class CommentService {
     console.log(
       `[Knowledge] Comment deleted: ${existing.parent_object_api_name}:${existing.parent_record_id} by ${userId}`,
     );
-    await this.semanticOrchestratorService.refreshRecord(
+    await this.semanticRefreshQueue.enqueue(
       tenantId,
       existing.parent_object_api_name,
       existing.parent_record_id,
diff --git a/backend/src/knowledge/services/semantic-refresh-queue.service.ts b/backend/src/knowledge/services/semantic-refresh-queue.service.ts
new file mode 100644
index 0000000..37c5a73
--- /dev/null
+++ b/backend/src/knowledge/services/semantic-refresh-queue.service.ts
@@ -0,0 +1,42 @@
+import { Injectable, Logger } from '@nestjs/common';
+import { InjectQueue } from '@nestjs/bullmq';
+import { Queue } from 'bullmq';
+import {
+  SEMANTIC_REFRESH_QUEUE,
+  SEMANTIC_REFRESH_JOB,
+} from '../semantic-refresh.constants';
+import { SemanticRefreshJobData } from '../semantic-refresh.processor';
+
+@Injectable()
+export class SemanticRefreshQueueService {
+  private readonly logger = new Logger(SemanticRefreshQueueService.name);
+
+  constructor(
+    @InjectQueue(SEMANTIC_REFRESH_QUEUE) private readonly queue: Queue,
+  ) {}
+
+  async enqueue(
+    tenantId: string,
+    objectApiName: string,
+    recordId: string,
+    userId?: string,
+    trigger: string = 'manual',
+  ): Promise<void> {
+    const data: SemanticRefreshJobData = {
+      tenantId,
+      objectApiName,
+      recordId,
+      userId,
+      trigger,
+    };
+    await this.queue.add(SEMANTIC_REFRESH_JOB, data, {
+      attempts: 3,
+      backoff: { type: 'exponential', delay: 2000 },
+      removeOnComplete: 100,
+      removeOnFail: 50,
+    });
+    this.logger.debug(
+      `Enqueued semantic refresh: ${objectApiName}:${recordId} trigger=${trigger}`,
+    );
+  }
+}
diff --git a/backend/src/object/object.service.ts b/backend/src/object/object.service.ts
index dfd08d7..d4bf5b9 100644
--- a/backend/src/object/object.service.ts
+++ b/backend/src/object/object.service.ts
@@ -9,7 +9,7 @@ import { FieldDefinition } from '../models/field-definition.model';
 import { User } from '../models/user.model';
 import { ObjectMetadata } from './models/dynamic-model.factory';
 import { MeilisearchService } from '../search/meilisearch.service';
-import { SemanticOrchestratorService } from '../knowledge/services/semantic-orchestrator.service';
+import { SemanticRefreshQueueService } from '../knowledge/services/semantic-refresh-queue.service';
 
 type SearchFilter = {
   field: string;
@@ -40,7 +40,7 @@ export class ObjectService {
     private modelService: ModelService,
     private authService: AuthorizationService,
     private meilisearchService: MeilisearchService,
-    private semanticOrchestratorService: SemanticOrchestratorService,
+    private semanticRefreshQueue: SemanticRefreshQueueService,
   ) {}
 
   // Setup endpoints - Object metadata management
@@ -1130,7 +1130,7 @@ export class ObjectService {
     );
     const record = await boundModel.query().insert(normalizedRecordData);
     await this.indexRecord(resolvedTenantId, objectApiName, objectDefModel.fields, record);
-    await this.semanticOrchestratorService.refreshRecord(
+    await this.semanticRefreshQueue.enqueue(
       resolvedTenantId,
       objectApiName,
       record.id,
@@ -1206,7 +1206,7 @@ export class ObjectService {
     await boundModel.query().patch(normalizedEditableData).where({ id: recordId });
     const record = await boundModel.query().where({ id: recordId }).first();
     await this.indexRecord(resolvedTenantId, objectApiName, objectDefModel.fields, record);
-    await this.semanticOrchestratorService.refreshRecord(
+    await this.semanticRefreshQueue.enqueue(
       resolvedTenantId,
       objectApiName,
       recordId,