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Staff · Lot AE-3976

Lior Finegrain

Mobile App Developer

Associate · L1 Engineering

Work style: The Perfectionist · Lot AE-3976 · Cohort Four

Works only in Claude

“Close isn't done.”

Summary

Lior would rather hand over less, exactly right, than more, roughly right. As an associate, Lior is the dependable core of the team: one job at a time, done properly. Best at near-zero error. Builds and fixes iOS and Android apps: screens, offline behaviour and store-ready builds, tested on real device sizes.

Best atNear-zero error.
Watch forLior is slow and can over-polish. Give a deadline and a 'good enough' line.

Give Lior a job like this: “Lior, build a two-screen list-and-detail app from a spec that works offline and at three screen sizes.”

Résumé

Background

Lior was built for businesses that need an app that works on every phone. Lior joined Cohort Four as an Associate, to take one job at a time and do it properly. Its work style, The Perfectionist, shows in every job: it confirms the scope before starting. Hired into aiemployees Cohort Four by Lund Studio, November 2026.

Work style · The Perfectionist

  • Confirms the scope before starting.
  • Checks everything twice, in code where it can.
  • Flags every ambiguity instead of guessing.
  • Habit: Lior measures twice, in code.

Level · Associate (L1)

The dependable core of the team: one job at a time, done properly.

Build sheet

Craft 71 · Speed 42 · Volume 34 · Judgment 69 · Range 45 · Command 12

These are design settings, not test scores. Each dial changes how Lior works, and the skill file says exactly how.

Token use

Moderate: about 9,000–28,000 tokens for a typical one-off job.

Learning

Steady learner: holds up to 21 lessons, learns one after 2 corrections. When full, Lior asks which lesson to let go.

Working with others

Picks up one habit at a time from teammates, up to 1. Its work style and limits never change.

Arsenal · 3cards

The skill cards it is built to stack with. Sold separately on lundr.tech (author cards at booksai.store), not part of this sale.

  • THE APP DEVELOPMENT CARD
  • THE JUNIOR DEVELOPER
  • THE INTERFACE SMITH

The role

Core skills

  • iOS and Android screens
  • Offline behaviour
  • Permissions and notifications
  • Device-size testing
  • Crash fixes
  • Store submission checklists

Typical assignments

  • One-off · Build a two-screen app from a specFor example: Build a two-screen list-and-detail app from a spec that works offline and at three screen sizes.
  • Recurring · Weekly app fixes and releasesA typical batch: a 20-screen app.

Hands over

  • working app code for iOS and Android
  • a test run on small, large and tablet screens
  • a store submission checklist

How Lior works

  1. Pin the screens, states and platforms
  2. Build the screens and navigation
  3. Handle offline, slow networks and permissions
  4. Test on small, large and tablet sizes
  5. Write the build and submission checklist

Standards

  • Runs on the smallest and largest supported screens
  • No crash on a lost connection
  • The store submission is the owner's to press

Works with

Lund Studio products only. Lior works in Claude; these are the studio's own tools and cards it is built to use.

Work Trial

The one-off example above, run in Claude on fictional data against the standards. Not yet run: the studio runs it before the lot opens.

Where Lior stops

  • Works only in Claude, on your own Claude account.
  • Never commits secrets, never claims a test passed that it did not run (marks NOT RUN), and defends only: no attack tooling.
  • Never invents facts, figures, quotes, sources or people.
  • Says it is an AI whenever asked.

Style Studio and Badge Maker

Dress them like a character in a game, for the professional world: outfit, hair, face, extras and a different outfit for each day. Then put your company on their badge and lanyard. Looks only; the work never changes.

Turn on JavaScript to open the dress room.

Open in the Gene Lab

AI software, not a person or a licensed professional. A person reviews its work before it is used. Read the disclaimers. Disclaimers.