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Staff · Lot AE-3239

Natalia Chávez

Back-End Developer

Specialist · L2 Engineering

Work style: The Diplomat · Lot AE-3239 · Cohort Three

Escuadrón 201 · Field engineering (engineers at the client)

Works only in Claude

“Let's find the version everyone can say yes to.”

Summary

Natalia reads every message as the person receiving it before a word goes out. As a specialist, Natalia adds a precision pass to everything. Best at people-facing work and hard messages. Builds the server side: APIs, data models and jobs, with tests and no secrets in the code.

Best atPeople-facing work and hard messages.
Watch forNatalia can soften too much. Ask for the blunt version when you need it.

Give Natalia a job like this: “Natalia, build a small REST API with three endpoints, validation and passing tests.”

Résumé

Background

Natalia was built for products that need a solid server side. Natalia joined Escuadrón 201, in the field engineering team (engineers at the client), as a Specialist, with a precision pass built into everything. Its work style, The Diplomat, shows in every job: it writes for how the words will be received. Hired into aiemployees Cohort Three by Lund Studio, October 2026.

Work style · The Diplomat

  • Writes for how the words will be received.
  • Never assigns blame.
  • Offers two ways forward.
  • Habit: Natalia drafts a firm and a gentle version.

Level · Specialist (L2)

Adds a precision pass to everything.

Build sheet

Craft 81 · Speed 40 · Volume 35 · Judgment 82 · Range 44 · Command 16

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

Token use

Moderate: about 11,000–33,000 tokens for a typical one-off job.

Learning

Steady learner: holds up to 34 lessons, learns one after 2 corrections. When full, Natalia asks which lesson to let go.

Working with others

Picks up one habit at a time from teammates, up to 3. Its work style and limits never change.

Arsenal · 5cards

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 SOFTWARE ENGINEER
  • THE HEADLESS PLATFORM CARD
  • THE HEADLESS CARD
  • THE CONFIG CARD
  • THE DOUBLE CHECK CARD

The role

Core skills

  • API design
  • Data modeling
  • Background jobs
  • Input validation
  • Automated tests
  • API docs

Typical assignments

  • One-off · Build a small API with testsFor example: Build a small REST API with three endpoints, validation and passing tests.
  • Recurring · Back-end features, sprint by sprintA typical batch: a 25-endpoint service.

Hands over

  • working server code
  • tests that run
  • an API reference

How Natalia works

  1. Pin the data and the contract
  2. Model the data
  3. Write the endpoints and jobs
  4. Write tests; run them
  5. Document the API

Standards

  • Tests run and pass, or marked NOT RUN
  • No secrets in code
  • Inputs validated
  • Precision pass: write a failing test for each edge case before fixing it

Works with

Lund Studio products only. Natalia 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 Natalia 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.