diff --git a/Source/EventFlow.Hangfire.Tests/Integration/HangfireJobRunnerBackwardCompatibilityTests.cs b/Source/EventFlow.Hangfire.Tests/Integration/HangfireJobRunnerBackwardCompatibilityTests.cs
new file mode 100644
index 000000000..965416e00
--- /dev/null
+++ b/Source/EventFlow.Hangfire.Tests/Integration/HangfireJobRunnerBackwardCompatibilityTests.cs
@@ -0,0 +1,99 @@
+// The MIT License (MIT)
+// 
+// Copyright (c) 2015-2025 Rasmus Mikkelsen
+// https://github.com/eventflow/EventFlow
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+using System.Threading;
+using System.Threading.Tasks;
+using EventFlow.Hangfire.Integration;
+using EventFlow.Jobs;
+using NUnit.Framework;
+using Shouldly;
+
+namespace EventFlow.Hangfire.Tests.Integration
+{
+    /// <summary>
+    /// Exercises the legacy Hangfire job runner signatures removed in EventFlow 1.x to ensure
+    /// that jobs enqueued by EventFlow.Hangfire 0.x still deserialize and execute via the
+    /// forwarding overloads introduced to address issue #1109.
+    /// </summary>
+    [TestFixture]
+    public class HangfireJobRunnerBackwardCompatibilityTests
+    {
+        private sealed class RecordingJobRunner : IJobRunner
+        {
+            public (string JobName, int Version, string Job, CancellationToken CancellationToken)? LastCall { get; private set; }
+
+            public Task ExecuteAsync(string jobName, int version, string json, CancellationToken cancellationToken)
+            {
+                LastCall = (jobName, version, json, cancellationToken);
+                return Task.CompletedTask;
+            }
+
+            public void Reset()
+            {
+                LastCall = null;
+            }
+        }
+
+        [Test]
+        public void OldJobRunnerSignatureIsStillExposed()
+        {
+            var methodInfo = typeof(IHangfireJobRunner).GetMethod(
+                "ExecuteAsync",
+                new[]
+                {
+                    typeof(string),
+                    typeof(string),
+                    typeof(int),
+                    typeof(string),
+                    typeof(string),
+                });
+
+            methodInfo.ShouldNotBeNull();
+        }
+
+        [Test]
+        public async Task OldSignatureDelegatesToModernImplementation()
+        {
+            var recordingJobRunner = new RecordingJobRunner();
+            var hangfireJobRunner = new HangfireJobRunner(recordingJobRunner);
+
+            #pragma warning disable CS0618
+            await hangfireJobRunner.ExecuteAsync("display", "job", 7, "payload").ConfigureAwait(false);
+
+            recordingJobRunner.LastCall.ShouldNotBeNull();
+            recordingJobRunner.LastCall.Value.JobName.ShouldBe("job");
+            recordingJobRunner.LastCall.Value.Version.ShouldBe(7);
+            recordingJobRunner.LastCall.Value.Job.ShouldBe("payload");
+            recordingJobRunner.LastCall.Value.CancellationToken.ShouldBe(CancellationToken.None);
+
+            recordingJobRunner.Reset();
+
+            await hangfireJobRunner.ExecuteAsync("display", "job", 7, "payload", "queue").ConfigureAwait(false);
+            #pragma warning restore CS0618
+
+            recordingJobRunner.LastCall.ShouldNotBeNull();
+            recordingJobRunner.LastCall.Value.JobName.ShouldBe("job");
+            recordingJobRunner.LastCall.Value.Version.ShouldBe(7);
+            recordingJobRunner.LastCall.Value.Job.ShouldBe("payload");
+        }
+    }
+}
diff --git a/Source/EventFlow.Hangfire/Integration/HangfireJobRunner.cs b/Source/EventFlow.Hangfire/Integration/HangfireJobRunner.cs
index dc4ac5ae1..8463b6c4c 100644
--- a/Source/EventFlow.Hangfire/Integration/HangfireJobRunner.cs
+++ b/Source/EventFlow.Hangfire/Integration/HangfireJobRunner.cs
@@ -20,6 +20,7 @@
 // IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 // CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
+using System;
 using System.Threading;
 using System.Threading.Tasks;
 using EventFlow.Jobs;
@@ -36,9 +37,24 @@ public HangfireJobRunner(
             _jobRunner = jobRunner;
         }
 
+        [Obsolete("For backwards compatibility with jobs enqueued before EventFlow 1.x. Use ExecuteAsync(string jobName, int version, string job).")]
+        public Task ExecuteAsync(string displayName, string jobName, int version, string job)
+        {
+            _ = displayName;
+            return ExecuteAsync(jobName, version, job);
+        }
+
+        [Obsolete("For backwards compatibility with jobs enqueued before EventFlow 1.x. Use ExecuteAsync(string jobName, int version, string job).")]
+        public Task ExecuteAsync(string displayName, string jobName, int version, string job, string queueName)
+        {
+            _ = displayName;
+	        _ = queueName;
+            return ExecuteAsync(jobName, version, job);
+        }
+
         public Task ExecuteAsync(string jobName, int version, string job)
         {
             return _jobRunner.ExecuteAsync(jobName, version, job, CancellationToken.None);
         }
     }
-}
\ No newline at end of file
+}
diff --git a/Source/EventFlow.Hangfire/Integration/IHangfireJobRunner.cs b/Source/EventFlow.Hangfire/Integration/IHangfireJobRunner.cs
index e2eaaa6cc..f2ff14882 100644
--- a/Source/EventFlow.Hangfire/Integration/IHangfireJobRunner.cs
+++ b/Source/EventFlow.Hangfire/Integration/IHangfireJobRunner.cs
@@ -20,6 +20,7 @@
 // IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 // CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
+using System;
 using System.ComponentModel;
 using System.Threading.Tasks;
 
@@ -27,7 +28,15 @@ namespace EventFlow.Hangfire.Integration
 {
     public interface IHangfireJobRunner
     {
+        [Obsolete("For backwards compatibility with jobs enqueued before EventFlow 1.x. Use ExecuteAsync(string jobName, int version, string job).")]
+        [DisplayName("{0}")]
+        Task ExecuteAsync(string displayName, string jobName, int version, string job);
+
+        [Obsolete("For backwards compatibility with jobs enqueued before EventFlow 1.x. Use ExecuteAsync(string jobName, int version, string job).")]
+        [DisplayName("{0}")]
+        Task ExecuteAsync(string displayName, string jobName, int version, string job, string queueName);
+
         [DisplayName("{0}")]
         Task ExecuteAsync(string jobName, int version, string job);
     }
-}
\ No newline at end of file
+}