From Manual Tester to SDET in 30 Days: The No-Shortcut Transition Blueprint
Most manual-to-SDET transitions fail for three reasons: distraction (chasing 50 tutorials instead of following one path), lack of structure (random learning without deliverables), and shortcut mentality (trying to learn everything in 10 days before an interview).
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This 30-day blueprint is structured, deliverable-focused, and realistic. Follow it and you will have a portfolio that gets you shortlisted.
Contents
Week 1: Programming + Git + CLI
- Day 1-3: JavaScript fundamentals — variables, functions, loops, arrays, objects
- Day 4-5: Async/await and Promises (critical for Playwright)
- Day 6: Git basics — clone, branch, commit, push, pull, merge
- Day 7: Command line — navigation, file operations, running scripts
- Deliverable: GitHub account with 3 small JS projects pushed
Week 2: Playwright + Page Object Model
- Day 8-9: Playwright installation, first test, locator strategies
- Day 10-11: Assertions, screenshots, test configuration
- Day 12-13: Page Object Model — create 3 page classes for a demo app
- Day 14: Run full suite, fix any failures, commit to GitHub
- Deliverable: 15+ automated tests with POM on GitHub
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Week 3: API Testing + Postman
- Day 15-16: REST API concepts, HTTP methods, status codes
- Day 17-18: Postman — collections, environments, test scripts
- Day 19-20: Playwright API testing — request context, GET/POST/PUT/DELETE
- Day 21: Hybrid test: create data via API, validate via UI
- Deliverable: API test suite covering a public API (JSONPlaceholder or Reqres)
Week 4: CI/CD + Portfolio + Interview Prep
- Day 22-23: GitHub Actions — create a workflow that runs your tests on every push
- Day 24-25: Add green CI badge to README, write project documentation
- Day 26-27: Update resume: add GitHub link, CI/CD experience, Playwright skills
- Day 28-30: Practice 15 common SDET screening questions out loud
- Deliverable: Complete portfolio project with green badge + updated resume
Resume Transformation
| Before | After |
|---|---|
| “Manual test execution” | “Built 15+ automated E2E tests with Playwright TypeScript” |
| “Bug reporting in Jira” | “API + UI hybrid test automation with CI/CD integration” |
| “Test case writing” | “Page Object Model framework with GitHub Actions pipeline” |
| No GitHub link | github.com/yourname with green CI badge |
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