How to scope TypeScript refactoring with an offshore developer

Begin with a result someone can inspect

A useful brief for Leads carrying a growing TypeScript codebase names the result before it names a technology. For this guide, the result is a smaller, safer refactor with behavior preserved. That gives the developer a concrete target and gives the reviewer something more useful than a status update to assess.

Write the starting condition, desired condition, affected users, and acceptance evidence in the same ticket. If an assumption is still open, record it as a question instead of letting it become an invisible decision.

• Name one decision owner.
• State what is out of scope.
• Choose a review date before work begins.

Shape the work around invariants, type errors, and regression coverage

Break the first assignment into a few related pieces rather than sending a broad backlog. The developer should be able to explain how each piece contributes to the result and where the handoff occurs.

A narrow assignment also makes candidate evaluation fairer: every finalist can discuss the same kind of evidence, trade-off, and unfinished edge case.

• Before-and-after type-check results
• A regression test for the preserved behavior

A practical acceptance record

Scroll sideways to read every column on a small screen.

Set access and review boundaries early

Start with named accounts, the smallest repository or environment needed, and synthetic data where possible. Keep credentials, production approvals, architecture choices, and accepted risk with the client-side owner.

Agree on the pull-request reviewer, response expectations, and stop conditions. A developer should pause and ask when a requested change would expand access, alter a public contract, or affect data handling.

Ask for evidence, not activity

The evidence for this assignment should show a smaller, safer refactor with behavior preserved and the checks behind it. A short screen recording is optional; the durable record should be the diff, test output, decision note, and known limitation.

Reviewers can then judge correctness, clarity, and risk without counting messages or commits. That is especially helpful when teams work across a Philippines and North American schedule.

• Link the change to its acceptance criteria.
• Show both the successful and rejected cases where relevant.
• Record what was not tested and why.

Make the handoff easy to resume

At the end of the working day, leave four items: what changed, what passed, what is blocked, and the smallest next decision. Use the team’s normal ticket and pull-request records so the next person can continue without a second discovery meeting.

Use local time only for scheduled overlap. Put durable events, release notes, and incident timestamps in UTC so the record stays unambiguous.

Review the first two weeks

After the first few tickets, review accepted outcomes, rework, review turnaround, handoff quality, and unresolved risks. Do not widen the role simply because the developer is responsive; widen it when the evidence supports the next responsibility.

Choose one of three outcomes: keep the same boundary, add one clearly defined responsibility, or change the assignment. Write the reason and next review date so the decision remains understandable.

Questions about assessing Philippine developers