diff --git a/src/LiquidCode.Tester.Common/Models/SubmitForTesterModel.cs b/src/LiquidCode.Tester.Common/Models/SubmitForTesterModel.cs
index 9434997..c321117 100644
--- a/src/LiquidCode.Tester.Common/Models/SubmitForTesterModel.cs
+++ b/src/LiquidCode.Tester.Common/Models/SubmitForTesterModel.cs
@@ -7,5 +7,7 @@ public record SubmitForTesterModel(
     string LanguageVersion,
     string SourceCode,
     string PackageUrl,
-    string CallbackUrl
+    string CallbackUrl,
+    int? TimeLimitMs = null,
+    int? MemoryLimitMb = null
 );
diff --git a/src/LiquidCode.Tester.Gateway/Controllers/TesterController.cs b/src/LiquidCode.Tester.Gateway/Controllers/TesterController.cs
index ac52d66..f15dadb 100644
--- a/src/LiquidCode.Tester.Gateway/Controllers/TesterController.cs
+++ b/src/LiquidCode.Tester.Gateway/Controllers/TesterController.cs
@@ -82,7 +82,9 @@ public class TesterController : ControllerBase
                 LanguageVersion: request.LanguageVersion,
                 SourceCode: request.SourceCode,
                 PackageUrl: packagePath, // Use local path instead of URL
-                CallbackUrl: request.CallbackUrl
+                CallbackUrl: request.CallbackUrl,
+                TimeLimitMs: request.TimeLimitMs,
+                MemoryLimitMb: request.MemoryLimitMb
             );
 
             // Send to appropriate worker based on language
diff --git a/src/LiquidCode.Tester.Gateway/Models/LocalSubmitModel.cs b/src/LiquidCode.Tester.Gateway/Models/LocalSubmitModel.cs
index b150508..f0f8b5f 100644
--- a/src/LiquidCode.Tester.Gateway/Models/LocalSubmitModel.cs
+++ b/src/LiquidCode.Tester.Gateway/Models/LocalSubmitModel.cs
@@ -9,4 +9,14 @@ public class LocalSubmitModel
     public string SourceCode { get; set; } = string.Empty;
     public string CallbackUrl { get; set; } = string.Empty;
     public IFormFile? Package { get; set; }
+
+    /// <summary>
+    /// Optional time limit override in milliseconds (for testing purposes)
+    /// </summary>
+    public int? TimeLimitMs { get; set; }
+
+    /// <summary>
+    /// Optional memory limit override in megabytes (for testing purposes)
+    /// </summary>
+    public int? MemoryLimitMb { get; set; }
 }
diff --git a/src/LiquidCode.Tester.Gateway/Services/WorkerClientService.cs b/src/LiquidCode.Tester.Gateway/Services/WorkerClientService.cs
index 131d481..1231139 100644
--- a/src/LiquidCode.Tester.Gateway/Services/WorkerClientService.cs
+++ b/src/LiquidCode.Tester.Gateway/Services/WorkerClientService.cs
@@ -38,6 +38,16 @@ public class WorkerClientService : IWorkerClientService
             form.Add(new StringContent(submit.SourceCode), "SourceCode");
             form.Add(new StringContent(submit.CallbackUrl), "CallbackUrl");
 
+            // Add optional limit overrides (for testing purposes)
+            if (submit.TimeLimitMs.HasValue)
+            {
+                form.Add(new StringContent(submit.TimeLimitMs.Value.ToString()), "TimeLimitMs");
+            }
+            if (submit.MemoryLimitMb.HasValue)
+            {
+                form.Add(new StringContent(submit.MemoryLimitMb.Value.ToString()), "MemoryLimitMb");
+            }
+
             // Add package file
             var fileStream = File.OpenRead(packagePath);
             var fileContent = new StreamContent(fileStream);
diff --git a/src/LiquidCode.Tester.Worker/Controllers/TestController.cs b/src/LiquidCode.Tester.Worker/Controllers/TestController.cs
index d2fbe14..e8f701b 100644
--- a/src/LiquidCode.Tester.Worker/Controllers/TestController.cs
+++ b/src/LiquidCode.Tester.Worker/Controllers/TestController.cs
@@ -51,7 +51,9 @@ public class TestController : ControllerBase
                 SourceCode = request.SourceCode,
                 CallbackUrl = request.CallbackUrl,
                 Package = null, // Will use file path instead
-                PackageFilePath = packageFilePath
+                PackageFilePath = packageFilePath,
+                TimeLimitMs = request.TimeLimitMs,
+                MemoryLimitMb = request.MemoryLimitMb
             };
 
             // Start testing in background
@@ -109,4 +111,14 @@ public class TestRequest
     public string CallbackUrl { get; set; } = string.Empty;
     public IFormFile? Package { get; set; }
     public string? PackageFilePath { get; set; } // Internal use - path to saved package file
+
+    /// <summary>
+    /// Optional time limit override in milliseconds (for testing purposes)
+    /// </summary>
+    public int? TimeLimitMs { get; set; }
+
+    /// <summary>
+    /// Optional memory limit override in megabytes (for testing purposes)
+    /// </summary>
+    public int? MemoryLimitMb { get; set; }
 }
diff --git a/src/LiquidCode.Tester.Worker/Services/TestingService.cs b/src/LiquidCode.Tester.Worker/Services/TestingService.cs
index db37283..7ee9203 100644
--- a/src/LiquidCode.Tester.Worker/Services/TestingService.cs
+++ b/src/LiquidCode.Tester.Worker/Services/TestingService.cs
@@ -88,6 +88,17 @@ public class TestingService : ITestingService
 
             _logger.LogInformation("Compilation successful");
 
+            // Check for limit overrides (for testing purposes)
+            var timeLimitOverride = request.TimeLimitMs;
+            var memoryLimitOverride = request.MemoryLimitMb;
+
+            if (timeLimitOverride.HasValue || memoryLimitOverride.HasValue)
+            {
+                _logger.LogInformation("Using limit overrides - TimeLimit: {TimeLimit}ms, MemoryLimit: {MemoryLimit}MB",
+                    timeLimitOverride?.ToString() ?? "default",
+                    memoryLimitOverride?.ToString() ?? "default");
+            }
+
             // Send testing status
             await SendStatusAsync(request, State.Testing, ErrorCode.None, "Running tests", 0, package.TestCases.Count);
 
@@ -100,12 +111,16 @@ public class TestingService : ITestingService
                 await SendStatusAsync(request, State.Testing, ErrorCode.None,
                     $"Running test {testCase.Number}", testCase.Number, package.TestCases.Count);
 
+                // Use override limits if provided, otherwise use test case limits
+                var timeLimit = timeLimitOverride ?? testCase.TimeLimit;
+                var memoryLimit = memoryLimitOverride ?? testCase.MemoryLimit;
+
                 // Execute solution
                 var executionResult = await executionService.ExecuteAsync(
                     compilationResult.ExecutablePath!,
                     testCase.InputFilePath,
-                    testCase.TimeLimit,
-                    testCase.MemoryLimit);
+                    timeLimit,
+                    memoryLimit);
 
                 // Check for execution errors
                 if (executionResult.TimeLimitExceeded)