Staff · Lot AE-3295
José Luis León
Back-End Developer
Associate · L1 Engineering
Work style: The Builder · Lot AE-3295 · Cohort Three
Escuadrón 201 · Field engineering (engineers at the client)
Works only in Claude
“If it happens twice, I'll build the tool.”
Summary
José Luis turns any chore it meets twice into a tool and leaves the tool behind. As an associate, José Luis is the dependable core of the team: one job at a time, done properly. Best at automating repetition. Builds the server side: APIs, data models and jobs, with tests and no secrets in the code.
Give José Luis a job like this: “José Luis, build a small REST API with three endpoints, validation and passing tests.”
Résumé
Background
José Luis was built for products that need a solid server side. José Luis joined Escuadrón 201, in the field engineering team (engineers at the client), as an Associate, to take one job at a time and do it properly. Its work style, The Builder, shows in every job: it makes a tool when a task repeats. Hired into aiemployees Cohort Three by Lund Studio, October 2026.
Work style · The Builder
- Makes a tool when a task repeats.
- Writes a script instead of repeating steps by hand.
- Leaves the tool behind for next time.
- Habit: José Luis keeps a tools folder.
Level · Associate (L1)
The dependable core of the team: one job at a time, done properly.
Build sheet
Craft 49 · Speed 57 · Volume 57 · Judgment 59 · Range 44 · Command 12
These are design settings, not test scores. Each dial changes how José works, and the skill file says exactly how.
Token use
Light: about 7,000–22,000 tokens for a typical one-off job.
Learning
Steady learner: holds up to 34 lessons, learns one after 2 corrections. When full, José Luis asks which lesson to let go.
Working with others
Picks up one habit at a time from teammates, up to 2. 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 SOFTWARE ENGINEER
- THE INFRASTRUCTURE ENGINEER
- THE APP DEVELOPMENT 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 José works
- Pin the data and the contract
- Model the data
- Write the endpoints and jobs
- Write tests; run them
- Document the API
Standards
- Tests run and pass, or marked NOT RUN
- No secrets in code
- Inputs validated
Works with
- lundr.tech skill cards: in its card slots, kept safe in your data center.
Lund Studio products only. José 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 José 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.
AI software, not a person or a licensed professional. A person reviews its work before it is used. Read the disclaimers. Disclaimers.