---
title: 'Week 6'
description: 'Calibration onsites. Coding drops to maintenance. Mock #4 is the gate.'
sidebar:
  icon: target
---

**September 21–27, 2026.** Run the calibration onsites. Move coding to maintenance. Pass the Mock #4 gate. This is the week that counts. Do not arrive tired.

## Goals

- [ ] Move coding to maintenance, about 2 hours each day.
- [ ] Run the calibration onsites and absorb the feedback.
- [ ] Pass Mock #4: score "strong hire" twice in a row.
- [ ] Finish bug-squash drill 3.

:::note[Schedule shift]
Coding drops to about 2 hours each day. Merge the A-set and the B-set into one timed block. Spend the rest of the day on the onsites, the mock, and the pipeline.
:::

## Daily schedule

| Day | Coding — about 2h | System design — B4 | Pipeline |
|---|---|---|---|
| Mon | 2 timed Robinhood-tagged problems + all due B-set | Reverse-design rehearsal: defend webhooks against pub/sub, caching, and the database | Schedule the Robinhood onsite |
| Tue | 2 timed mixed problems + B-set | **Mock #4** — the gate | Ramp onsite |
| Wed | Speed drill: 2 mediums in 35 minutes | Polish the weakest 2 stories | Robinhood onsite |
| Thu | 2 timed Coinbase-tagged problems + B-set | Stripe API-design drill: versioning, partial failure, and idempotent retries | Brex values round |
| Fri | Gate day. | Bug-squash drill 3: Stripe format, about 200 lines, 5 to 7 bugs | Stripe, Plaid, and Circle screens |
| Sat | 2 timed mixed problems. Spot-check 3 green concepts. | Targeted reps from the onsite feedback | Confirm week 7: Stripe, Plaid, Circle, and Coinbase (Friday) |

## Friday gate

:::warning[Gate]
Score Mock #4 at "strong hire" twice in a row, counting Mock #3. Finish the calibration onsites. Absorb the feedback. Do not start the top-target onsites until you pass.
:::

:::danger[Coinbase last]
Keep Coinbase last. Confirm the Coinbase onsite for Friday of week 7.
:::

## Outputs

- The calibration onsites, done, with feedback absorbed.
- Mock #4 passed at "strong hire" twice in a row.
- Bug-squash drill 3, done.