Legacy modernization

Migrate from Selenium to Playwright without losing control

Replace a fragile rewrite with an evidence-driven migration program that protects delivery while the new platform earns trust.

The real migration risk is operational

A successful migration changes more than the browser driver. It aligns test boundaries, ownership, CI signals, fixtures, data, and team habits around a maintainable TypeScript platform.

Big-bang rewrites stall because the old suite still carries release knowledge. TestShift maps that knowledge, selects a representative pilot, and creates explicit retirement criteria before legacy coverage is removed.

What the engagement establishes

A migration map

Inventory suites by business risk, runtime, ownership, and maintenance cost so sequence follows evidence rather than file count.

A production-grade foundation

Define TypeScript conventions, fixtures, authentication, test data, reporting, and CI boundaries before parallel delivery scales.

A controlled cutover

Use pilot acceptance criteria, parity decisions, quality gates, and explicit deletion rules to retire Selenium safely.

How the work moves

  1. Architecture and portfolio review

    Review suite topology, failure signals, CI constraints, product risk, and team ownership.

  2. Representative pilot

    Build one end-to-end slice that proves conventions, runtime behavior, evidence, and operability.

  3. Sequenced migration system

    Turn the pilot into repeatable patterns, review gates, ownership boundaries, and a retirement backlog.

Best suited for

  • R&D leaders carrying a slow or unreliable Selenium estate
  • QA architects who need a migration path rather than a tool demo
  • Platform teams standardizing Playwright and TypeScript across squads

Legacy modernization

Turn migration uncertainty into an engineering plan

Bring the current suite, constraints, and release risks. Leave with the decisions that should shape the first safe phase.

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