Is Tomas Grindley a real person

No. He is invented for this page, and so are Ashvale Mutual, Keldonbrook Insurance and Marrowby Digital. No real reporting stack is described and no hire is claimed.

Did the product really write this letter

Yes. The evidence list was posted to the same endpoint the Write the letter button posts to, and the reply is printed above unchanged. The engine reported three selected paragraphs, five claimed skills and two gaps.

Why does the fit sentence mention customer retention

Because the matcher read it in the SQL line, where the sentence says retention report, and the posting asks for retention work. It is a fair match rather than a keyword trick: the line and the posting are about the same thing.

What does “Use this example” do

It opens the cover letter builder on 02 · Details with the role, the company, the posting and the four evidence groups already loaded. No letter and no application record exists until you press Write the letter.

Should an analyst letter show code or tools

Show what the query changed. A run time from 40 minutes to 90 seconds is a sentence a hiring analyst will want to hear the method behind, which is the point of a letter. Screenshots and repositories belong in the portfolio.

Which design is this example in

Column, which sets the metadata beside the story. Any of the 12 designs carries the same words.

Example · Data

A data analyst cover letter, ranked by how well each line answers the posting

One data analyst cover letter, printed exactly as the builder wrote it. The analyst and the insurer are invented. The ranking and the two gaps came out of the product.

ConxfolioPublished 2026-09-13

— forty minutes to ninety seconds. that is the sentence.

The Conxfolio cover letter builder on step 02 Details, opened by this page's own door, with the role Data Analyst, the company Ashvale Mutual, the posting and the four evidence groups loaded — The Details step exactly as the door left it: Data Analyst at Ashvale Mutual, the posting, and 17 evidence lines across profile, experience, achievements and skills, each one removable. No letter and no application record exists at this point.

Analytics applications tend to list tools and stop there, which tells a hiring manager nothing about what the tools were pointed at. This page shows the alternative. Tomas Grindley is invented, Ashvale Mutual is invented, and so are both of his employers. The letter is real output: the evidence below was handed to the cover letter builder and the reply is printed word for word.

The role, and the evidence the letter may use

An invented person. Not a real document, and not yours.

The role
Data Analyst · Ashvale Mutual

The posting
Ashvale Mutual is hiring a data analyst for its retention team. You will write SQL and Python, build dashboards in Power BI, and design A/B testing for retention offers. The warehouse runs on Snowflake with dbt models maintained by the analytics team.

What the letter may claim

Built 14 Power BI dashboards that replaced a weekly spreadsheet pack sent to 40 people.
Rewrote the SQL behind the retention report and cut its run time from 40 minutes to 90 seconds.
Ran 18 A/B testing experiments on renewal offers and stopped 6 of them early on the evidence.
Automated a monthly Python job that saved 3 days of manual work every month.
Trained 7 colleagues to read the churn dashboard without asking for an export.

Where it happened

Data Analyst · Keldonbrook Insurance · 2021 — present
Junior Analyst · Marrowby Digital · 2019 — 2021

Skills it may name

SQL
Python
Power BI
Tableau
Microsoft Excel
statistics
A/B testing

The letter the builder wrote

Direct voice, the one the door opens with. Three of the eight paragraphs are Tomas's own sentences.

Dear Ashvale Mutual Hiring Team,

I'm applying for the Data Analyst role at Ashvale Mutual.

Built 14 Power BI dashboards that replaced a weekly spreadsheet pack sent to 40 people.

Rewrote the SQL behind the retention report and cut its run time from 40 minutes to 90 seconds.

Ran 18 A/B testing experiments on renewal offers and stopped 6 of them early on the evidence.

The posting asks for Dashboards, Power BI, SQL and Customer Retention — all of which I've worked with directly.

I'd welcome the chance to talk through any of this.

Tomas Grindley

Where each paragraph came from

Lines 5, 6 and 7 of the evidence list. The first two scored highest on this page of any example here: each matched two named requirements at once and carried figures as well. Eight requirements were recognised in the posting and the three paragraphs claimed five of them between them.

The Python automation line and the training line stayed out. The Python line matched a named language and lost on the duplicate rule: once a paragraph has claimed a requirement, a later line that claims nothing new is skipped, so the letter does not argue the same point twice. Evidence tracing shows the same reasoning inside the product.

What it refused to claim

Two gaps: dbt and Snowflake. The posting names both as the warehouse the team works on, and Tomas's evidence mentions neither, so the letter mentions neither. He writes SQL every day and the engine still will not translate that into warehouse experience he has not evidenced. Reading your own gaps list turns two items like these into two honest sentences for the interview.

No language model is involved. The ranking is deterministic code over his own lines, and the reply says so in its own payload.

What an analyst's letter has to prove

That the work changed a decision. Fourteen dashboards that replaced a spreadsheet pack sent to forty people is a decision changed. Eighteen experiments of which six were stopped early is a judgment shown, and stopping something early is the part most analysts leave out of their applications.

Second, the sizes. Forty minutes to ninety seconds, three days a month saved, seven colleagues who no longer ask for an export: those are the numbers a data lead recognises as real work rather than a course project. Numbers you can actually get covers where to find them.

The same evidence in the other two voices

Three voices ship with the builder, and changing one rewrites the connectors rather than the evidence. The ranking never sees the voice, so the same lines are selected in the same order in all three. Run on this page's own evidence, the warm voice opens "I'd like to be considered for the Data Analyst role at Ashvale Mutual." and closes "I'd be glad to walk through any of this with you." The formal voice opens "I am writing to apply for the position of Data Analyst at Ashvale Mutual." and closes "I would welcome the opportunity to discuss my application further." The middle connector changes with it: warm writes "You mention Dashboards, Power BI, SQL and Customer Retention; those have been the centre of my recent work." and formal writes "The role calls for Dashboards, Power BI, SQL and Customer Retention, each of which I have applied in practice." In the product, switching voice keeps the draft you already have as a version before it writes the new one, so nothing is lost by trying the other two.

The design, and what the door does

The same Details step on a 390 pixel phone screen, showing the role, the company and the posting loaded from the example — The same door on a phone. The role, the company and the posting arrive filled in, and the evidence groups sit below them.

Column sets the metadata beside the story, which suits a letter that carries a lot of proper nouns. The paper changes and the words do not, across all 12 designs in the gallery.

The door below opens 02 · Details with the role, the company, the posting and the four evidence groups loaded and removable. Nothing is composed until you press Write the letter. Put your own queries and dashboards in, paste the real posting, and the same ranking runs on your lines. The matching data analyst résumé example holds the document those lines come from.

Open it on the Details step

Loads Tomas's role, company, posting and evidence into the cover letter builder in the Column design. Nothing is written until you press Write the letter. Free, no account.

Use this example See the letter designs

Questions

Is Tomas Grindley a real person: No. He is invented for this page, and so are Ashvale Mutual, Keldonbrook Insurance and Marrowby Digital. No real reporting stack is described and no hire is claimed.
Did the product really write this letter: Yes. The evidence list was posted to the same endpoint the Write the letter button posts to, and the reply is printed above unchanged. The engine reported three selected paragraphs, five claimed skills and two gaps.
Why does the fit sentence mention customer retention: Because the matcher read it in the SQL line, where the sentence says retention report, and the posting asks for retention work. It is a fair match rather than a keyword trick: the line and the posting are about the same thing.
What does “Use this example” do: It opens the cover letter builder on 02 · Details with the role, the company, the posting and the four evidence groups already loaded. No letter and no application record exists until you press Write the letter.
Should an analyst letter show code or tools: Show what the query changed. A run time from 40 minutes to 90 seconds is a sentence a hiring analyst will want to hear the method behind, which is the point of a letter. Screenshots and repositories belong in the portfolio.
Which design is this example in: Column, which sets the metadata beside the story. Any of the 12 designs carries the same words.

Conxfolio is a free set of four career tools: a résumé builder with 37 rendered layouts, an ATS résumé checker that prints its own arithmetic, a cover letter builder that traces every proof paragraph back to the line it came from, and a portfolio builder with 20 authored designs. There is no account to create, nothing is held back for a paid plan, and no language model is used anywhere in the product, so the readers, the score and the letter are deterministic code you can check.