Revin - DEV Community

Revin

Nov 9

I replayed 48 commits of one OpenAPI file: 11 of them removed a required field after clients were live

#api #architecture #softwaredevelopment #softwareengineering

5 min read

Revin

Nov 5

11 tools in my MCP server, 3 of them did 91% of the calls: what I ask before adding a 12th

#agents #llm #mcp #productivity

3

4

5 min read

Revin

Oct 30

I grepped 61 merged pull requests for three tells: 9 had a test file with zero assertions

#softwaredevelopment #llm #testing #ai

1

5 min read

Revin

Oct 14

A screen took 14 seconds with the server at 12% CPU: I measured the wait before approving two more instances

#architecture #backend #performance #softwareengineering

4 min read

Revin

Oct 5

I asked production which commit it was running: 23 behind main, the oldest waiting 19 days

#cicd #devops #kubernetes #monitoring

1

5 min read

Revin

Sep 30

I ran git log on every rule function for 12 months: a shade over 3% of the branches took every change

#architecture #codequality #git #softwareengineering

5 min read

Revin

Sep 18

An OpenAI model went looking for exposed API keys in testing. I assume my coding agent will too

5 min read

Revin

Sep 9

I summed CPU time by user agent for 7 days: 63% went to clients that never load a second page

#analytics #backend #performance

1

5 min read

Revin

Sep 4

One copy change touched 12 files: I grepped the repo and found the same discount rule written 5 times

4 min read

Revin

Sep 2

I stopped Postgres and /health kept returning 200 in 4 of 6 services

5 min read

Revin

Aug 31

1,043 branches in a pricing service: 34 changed last year, 9 disagree with the spreadsheet

6 min read

Revin

Aug 28

I counted scope changes with gh and jq: 41 of 118 issues arrived after the freeze, 3 got a new date

5 min read

Revin

Aug 26

I ran git blame on the files that touch money: 87% of the commission logic had one author

5 min read

Revin

Aug 24

PHPCompatibility flagged 217 errors in a PHP 5.6 app. The one that cost money wasn't in the report

5 min read

Revin

Aug 21

I pointed an AI reviewer at a 2019 order service: 63 comments, and none of them was the IDOR

4 min read

Revin

Aug 19

An agent wrote 14 tests for a module I knew was broken. Mutation score came back 41%

4 min read

Revin

Aug 14

I inherited an undocumented codebase: 2.5 days to boot it, ~400 silent errors a day

6 min read

Revin

Aug 12

The code that passes the pitch and fails due diligence

#softwareengineering #founders #softwaredevelopment #startup

5 min read

Revin

Aug 10

I changed one number in the URL and saw another customer's orders

#softwareengineering #softwaredevelopment #product #founders

5 min read

Revin

Aug 7

High test coverage is where production bugs hide best

#softwareengineering #softwaredevelopment #product #founders

5 min read

Revin

Aug 6

Security isn't a feature you bolt on. It's how the team works.

#softwareengineering #founders #product #softwaredevelopment

6 min read

Revin

Aug 5

It was fast in the demo. Then the data grew.

#softwareengineering #softwaredevelopment #product #startup

5 min read

Revin

Aug 4

Why EU startups are trading Poland/Romania for Brazil in 2026

#softwareengineering #founders #startup #softwaredevelopment

3 min read

Revin

Aug 3

The estimate that wins the deal is the one that slips the most

#softwareengineering #founders #product #softwaredevelopment

5 min read

Revin

Aug 1

Threat modeling in 1 hour: the method senior squads use for teams without a security engineer

#softwareengineering #softwaredevelopment #founders

3 min read

Revin

Jul 31

Hard conversation: how the CTO communicates the product needs a rewrite

#softwareengineering #founders #product

4 min read

Revin

Jul 31

Who Found the Outage First — You or Your Customer?

#softwareengineering #softwaredevelopment #product #startup

6 min read

Revin

Jul 29

Why I almost never approve a full rewrite of your product

#softwareengineering #founders #product #softwaredevelopment

5 min read

Revin

Jul 27

The team they sold you isn't the team that ships your code

#softwareengineering #softwaredevelopment #founders #startup

6 min read

Revin

Jul 27

Squad as a service: what it is and when it makes sense

#softwareengineering #product #startup #softwaredevelopment

5 min read

Revin

Jul 27

How much does a development squad cost in 2026?

#softwareengineering #founders #startup #softwaredevelopment

5 min read

Revin

Jul 24

Your last vendor is still logged into your production

#softwareengineering #softwaredevelopment #founders #startup

6 min read

Revin

Jul 23

The 5 third-party SaaS nobody audits (and that become attack doors)

#softwareengineering #softwaredevelopment #founders

3 min read

Revin

Jul 22

How to measure real seniority (without trusting resumes)

#softwareengineering #softwaredevelopment #founders #product

3 min read

Revin

Jul 21

I turned down a $480k contract. I'd do it again.

#softwareengineering #founders #startup #softwaredevelopment

4 min read

Revin

Jul 17

The stack you never update sends its bill without warning

#softwareengineering #softwaredevelopment #product #startup

5 min read

Revin

Jul 17

Tech debt is a risk spreadsheet, not an engineering complaint

#softwareengineering #softwaredevelopment #founders #product

4 min read

Revin

Jul 15

I inherited a 50-minute deploy, and it was the best news in the audit

#softwareengineering #founders #product #softwaredevelopment

5 min read

Revin

Jul 10

I paid for the same feature three times. The money was the least of it

#softwareengineering #founders #softwaredevelopment #product

5 min read

Revin

Jul 7

Who actually owns your code? The answer is usually worse than you think

#softwareengineering #founders #startup #softwaredevelopment

5 min read

Revin

Jul 5

We audited 31 broken codebases. The same numbers keep coming back.

#softwareengineering #founders #product #softwaredevelopment

5 min read