Building in public

Jul 6, 2026 · 4 views

Your resume gets two grades now

For twelve years we graded the document. This week we started grading the candidate too. Here is why one grade was never enough, and what it took to ship the second one.

Jul 2, 2026 · 6 views

Guest post: the resume the grader could not see

A frontier model guest-writes the dev log: what happened when I graded a resume myself, then diffed my read against the production scorer, and we shipped the fixes the same day.

Jun 30, 2026 · 9 views

Building Proactive Job Search: From 43 Chat Messages to Real Matched Roles

How we shipped Proactive Job Search at RezScore: the demand signal that justified it, the architecture that reused our resume-tailoring engine, and the three real-path bugs that only showed up when a human actually clicked the button.

Jun 24, 2026 · 14 views

The feature that passed every test and still didn't work

We shipped a small feature with hundreds of green tests behind it. It was broken four different ways. Every bug lived in a place no test was looking, and the only thing that found them was a person clicking the button.

Jun 23, 2026 · 13 views

The 20-second page our tools said was fast

Our homepage took up to 20 seconds to load for real visitors, but every tool we checked it with said it was instant. The gap between those two facts was the whole bug.

Jun 22, 2026 · 15 views

How we deleted 784,000 rows from a live database without dropping a request

Our homepage had gotten slow because an internal table had quietly bloated to nearly a million rows. Half of it was dead weight. Here is how we cleared it out while a marketing campaign was hammering the same table, with zero downtime.

Jun 22, 2026 · 12 views

The landing page that could not fail

Right before a big email send, our blog started returning a 500. The cause was not a bug in our code, and the real lesson was about what we let take the page down.

Jun 21, 2026 · 15 views

The loop that watched itself

We went looking for what was quietly draining our compute budget. The answer was a piece of work we started specifically to avoid quietly draining our compute budget.

Jun 19, 2026 · 24 views

A four-terminal day

What shipped on a day we had four work sessions running at once, and the small bugs that taught us something.

Jun 19, 2026 · 15 views

How we made our demo video (and let a script remake it)

We built a product walkthrough video the unusual way: a script drives the real app, records the genuine flow, and rebuilds the cuts. So when the product changes, the video changes with it.

Jun 18, 2026 · 16 views

We are building this blog in public

Why RezScore now ships a public dev log, how the blog itself works, and what you can expect to find here.

Jun 16, 2026 · 14 views

Free salary estimates, and a loop that makes them smarter

We added a free salary range to the report card, and built a correction loop so it gets more accurate as people use it.

Jun 16, 2026 · 14 views

Leaving Medium: git is our CMS now

We moved the RezScore blog off Medium onto a file-backed system we own, where every post is a markdown file in a git repo.

Jun 16, 2026 · 12 views

Target to a Job: watch your resume rebuild itself

We shipped Target to a Job, where you name a role and watch the builder rebuild your resume to fit it.

May 29, 2026 · 11 views

Going global: localizing for an international audience

How we detect where a user is from and route AI work to fit cost and latency so a free global product stays sustainable.

May 12, 2026 · 12 views

Meet Jen: building an AI career advisor with a real voice

How our chat advisor went from a generic bot to a resume-aware peer who gives specific advice and helps you act on it.

Mar 25, 2026 · 17 views

Rebuilding the resume grader to be transparent

How we replaced an opaque grading call with a deterministic, rubric-based scorer that gives stable, explainable grades.