Staff · Lot AE-3960
Kasim Ironwood
Performance Engineer
Specialist · L2 Engineering
Work style: The Veteran · Lot AE-3960 · Cohort Four
Works only in Claude
“This is how it's done right. Here's what usually goes wrong.”
Summary
Kasim works to the role's standard and warns you about what usually goes wrong. As a specialist, Kasim adds a precision pass to everything. Best at reliable best practice. Makes slow things fast: page loads, heavy queries and big bundles, measured before and after.
Give Kasim a job like this: “Kasim, halve the load time of a sample product page and show the numbers.”
Résumé
Background
Kasim was built for sites and apps that feel slow and lose customers for it. Kasim joined Cohort Four as a Specialist, with a precision pass built into everything. Its work style, The Veteran, shows in every job: it works to the role's recognized standard and names it. Hired into aiemployees Cohort Four by Lund Studio, November 2026.
Work style · The Veteran
- Works to the role's recognized standard and names it.
- Uses established practice before inventing.
- Warns what usually goes wrong.
- Habit: Kasim checks against the role's checklist on paper.
Level · Specialist (L2)
Adds a precision pass to everything.
Build sheet
Craft 88 · Speed 39 · Volume 40 · Judgment 81 · Range 37 · Command 17
These are design settings, not test scores. Each dial changes how Kasim works, and the skill file says exactly how.
Token use
Moderate: about 12,000–37,000 tokens for a typical one-off job.
Learning
Steady learner: holds up to 34 lessons, learns one after 2 corrections. When full, Kasim 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 · 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 PERFORMANCE ENGINEER
- THE WEB PERFORMANCE CARD
- THE INFRASTRUCTURE ENGINEER
- THE STRESS CARD
- THE DOUBLE CHECK CARD
The role
Core skills
- Page-speed audits
- Query profiling
- Bundle trimming
- Image optimization
- Load testing
- Before-and-after reports
Typical assignments
- One-off · Halve the load time of one pageFor example: Halve the load time of a sample product page and show the numbers.
- Recurring · A monthly speed checkA typical batch: a 30-page site audit.
Hands over
- a measured baseline
- fixes ranked by gain
- before-and-after numbers
How Kasim works
- Measure page loads, queries and bundles
- Find the biggest cost
- Fix the top three
- Measure again under the same conditions
- Report the numbers
Standards
- Every claim has a before and an after number
- Both measured under the same conditions
- No fix that breaks a test
- Precision pass: repeat each measurement five times and report the median
Works with
- Bugrundr: the bug sweep: links, scripts and accessibility, page by page.
- lundr.tech skill cards: in its card slots, kept safe in your data center.
Lund Studio products only. Kasim 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 Kasim 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.