diff --git a/packages/core/src/job/job.test.ts b/packages/core/src/job/job.test.ts
index c0ec02b..52804cf 100644
--- a/packages/core/src/job/job.test.ts
+++ b/packages/core/src/job/job.test.ts
@@ -1,5 +1,7 @@
 import { CompletedResult, RetryResult, SnoozeResult } from "@sidequest/core";
-import { Job } from "./job";
+import path from "path";
+import { pathToFileURL } from "url";
+import { Job, resolveScriptPath } from "./job";
 
 export class DummyJob extends Job {
   // eslint-disable-next-line @typescript-eslint/no-unused-vars
@@ -113,3 +115,32 @@ describe("job.ts", () => {
     });
   });
 });
+
+describe("resolveScriptPath", () => {
+  it("should return the input if it is already a file URL", () => {
+    const fileUrl = "file:///some/path/to/file.js";
+    expect(resolveScriptPath(fileUrl)).toBe(fileUrl);
+  });
+
+  it("should convert an absolute path to a file URL", () => {
+    const absPath = path.resolve("/tmp/test.js");
+    const expected = pathToFileURL(absPath).href;
+    expect(resolveScriptPath(absPath)).toBe(expected);
+  });
+
+  it("should resolve a relative path to a file URL based on import.meta.dirname", () => {
+    const relativePath = "test/fixtures/job-script.js";
+    const baseDir = import.meta?.dirname ? import.meta.dirname : __dirname;
+    const absPath = path.resolve(baseDir, relativePath);
+    const expected = pathToFileURL(absPath).href;
+    expect(resolveScriptPath(relativePath)).toBe(expected);
+  });
+
+  it("should handle relative paths with ./ and ../", () => {
+    const relativePath = "../test/fixtures/job-script.js";
+    const baseDir = import.meta?.dirname ? import.meta.dirname : __dirname;
+    const absPath = path.resolve(baseDir, relativePath);
+    const expected = pathToFileURL(absPath).href;
+    expect(resolveScriptPath(relativePath)).toBe(expected);
+  });
+});
diff --git a/packages/core/src/job/job.ts b/packages/core/src/job/job.ts
index 5190d1e..d979ef9 100644
--- a/packages/core/src/job/job.ts
+++ b/packages/core/src/job/job.ts
@@ -1,4 +1,5 @@
 import { access } from "fs/promises";
+import path from "path";
 import { pathToFileURL } from "url";
 import { logger } from "../logger";
 import { ErrorData, JobData, JobState } from "../schema";
@@ -237,12 +238,12 @@ export abstract class Job implements JobData {
  * Attempts to determine the file path where a given class is exported by analyzing the current call stack.
  *
  * This function inspects the stack trace of a newly created error to extract file paths,
- * then checks each file to see if it exports the specified class. If found, returns the file path
- * as a `file://` URI. If not found, returns the first file path in the stack as a fallback.
+ * then checks each file to see if it exports the specified class. If found, returns the relative path
+ * from the current working directory. If not found, returns the first file path in the stack as a fallback.
  * Throws an error if no file paths can be determined.
  *
  * @param className - The name of the class to search for in the stack trace files.
- * @returns A promise that resolves to the `file://` URI of the file exporting the class, or the first file in the stack.
+ * @returns A promise that resolves to the relative path of the file exporting the class, or the first file in the stack.
  * @throws If no file paths can be determined from the stack trace.
  */
 async function buildPath(className: string) {
@@ -263,19 +264,54 @@ async function buildPath(className: string) {
   for (const filePath of filePaths) {
     const hasExported = await hasClassExported(filePath!, className);
     if (hasExported) {
-      logger("Job").debug(`${filePath} exports class ${className}`);
-      return `file://${filePath}`;
+      const relativePath = path.relative(import.meta.dirname, filePath!);
+      logger("Job").debug(`${filePath} exports class ${className}, relative path: ${relativePath}`);
+      return relativePath.replaceAll("\\", "/");
     }
   }
 
   if (filePaths.length > 0) {
-    logger("Job").debug(`No class ${className} found in stack, returning first file path: ${filePaths[0]}`);
-    return `file://${filePaths[0]}`;
+    const relativePath = path.relative(import.meta.dirname, filePaths[0]!);
+    logger("Job").debug(`No class ${className} found in stack, returning first file path: ${relativePath}`);
+    return relativePath.replaceAll("\\", "/");
   }
 
   throw new Error("Could not determine the task path");
 }
 
+/**
+ * Resolves a relative script path (as stored in job.script) to an absolute file URL
+ * that can be used for dynamic imports.
+ *
+ * This function takes a relative path that was generated by buildPath() and converts
+ * it back to an absolute file URL by resolving it relative to this file's directory.
+ * It also handles edge cases where the path might already be absolute or a file URL.
+ *
+ * @param relativePath - The relative path stored in job.script
+ * @returns The absolute file URL that can be used for dynamic import()
+ *
+ * @example
+ * ```typescript
+ * const scriptUrl = resolveScriptPath("../../../examples/hello-job.js");
+ * const module = await import(scriptUrl);
+ * ```
+ */
+export function resolveScriptPath(relativePath: string): string {
+  // If it's already a file URL, return as-is
+  if (relativePath.startsWith("file://")) {
+    return relativePath;
+  }
+
+  // If it's already an absolute path, convert to file URL
+  if (path.isAbsolute(relativePath)) {
+    return pathToFileURL(relativePath).href;
+  }
+
+  // Otherwise, resolve relative to this file's directory
+  const absolutePath = path.resolve(import.meta.dirname, relativePath);
+  return pathToFileURL(absolutePath).href;
+}
+
 /**
  * Checks if a given file exports a class with the specified name.
  *
diff --git a/packages/engine/src/shared-runner/runner.test.ts b/packages/engine/src/shared-runner/runner.test.ts
index ace420e..bac6c85 100644
--- a/packages/engine/src/shared-runner/runner.test.ts
+++ b/packages/engine/src/shared-runner/runner.test.ts
@@ -36,7 +36,7 @@ describe("runner.ts", () => {
     jobData.script = "invalid!";
     const result = (await run({ jobData, config })) as FailedResult;
     expect(result.type).toEqual("failed");
-    expect(result.error.message).toMatch(/Cannot find package 'invalid!'/);
+    expect(result.error.message).toMatch(/Cannot find module/);
   });
 
   sidequestTest("fails with invalid class", async ({ config }) => {
diff --git a/packages/engine/src/shared-runner/runner.ts b/packages/engine/src/shared-runner/runner.ts
index 1f6969b..1581ed9 100644
--- a/packages/engine/src/shared-runner/runner.ts
+++ b/packages/engine/src/shared-runner/runner.ts
@@ -1,4 +1,4 @@
-import { Job, JobClassType, JobData, JobResult, logger, toErrorData } from "@sidequest/core";
+import { Job, JobClassType, JobData, JobResult, logger, resolveScriptPath, toErrorData } from "@sidequest/core";
 import { EngineConfig } from "../engine";
 import { importSidequest } from "../utils";
 
@@ -14,7 +14,11 @@ export default async function run({ jobData, config }: { jobData: JobData; confi
   let script: Record<string, JobClassType> = {};
   try {
     logger("Runner").debug(`Importing job script "${jobData.script}"`);
-    script = (await import(jobData.script)) as Record<string, JobClassType>;
+
+    // Convert relative path to absolute file URL for dynamic import
+    const scriptUrl = resolveScriptPath(jobData.script);
+
+    script = (await import(scriptUrl)) as Record<string, JobClassType>;
     logger("Runner").debug(`Successfully imported job script "${jobData.script}"`);
   } catch (error) {
     const errorMessage = `Failed to import job script "${jobData.script}": ${error instanceof Error ? error.message : String(error)}`;