# backend-dev

Skill · `skill:backend-dev`

Favz census, built 2026-10-04. Tool names and counts only. No repo names. HTML page: https://favz.co/tools/skill-backend-dev.html

- Repos that have it now: 34
- Repos that ever had it: 38
- Still have it: 89%
- Share of census repos with any tool: 0.04%

## Repos with it, by month

From commit dates in each repo's history. The last few days always look low, because repos found later fill them in.

| Month | Repos at month end |
|---|---|
| 2025-11 | 1 |
| 2026-01 | 3 |
| 2026-02 | 7 |
| 2026-03 | 11 |
| 2026-04 | 13 |
| 2026-05 | 16 |
| 2026-06 | 27 |
| 2026-07 | 28 |
| 2026-08 | 32 |
| 2026-09 | 34 |

## Goes with

Tools found in the same repos, ranked by lift: 3× means the two show up together three times as often as chance would give. Only pairs sharing 5 or more repos.

| Tool | Kind | Repos with both | Lift |
|---|---|---|---|
| [frontend-dev](https://favz.co/tools/skill-frontend-dev.md) | Skill | 26 | 1855.3× |
| [scrum-master](https://favz.co/tools/skill-scrum-master.md) | Skill | 9 | 1192.7× |
| [ui-designer](https://favz.co/tools/skill-ui-designer.md) | Skill | 9 | 963.3× |
| [ux-designer](https://favz.co/tools/skill-ux-designer.md) | Skill | 9 | 808.0× |
| [tester](https://favz.co/tools/skill-tester.md) | Skill | 9 | 695.8× |
| [playwright-testing](https://favz.co/tools/skill-playwright-testing.md) | Skill | 6 | 695.8× |
| [content-marketer](https://favz.co/tools/skill-content-marketer.md) | Skill | 5 | 695.8× |
| [adr-writing](https://favz.co/tools/skill-adr-writing.md) | Skill | 6 | 667.9× |
| [project-manager](https://favz.co/tools/skill-project-manager.md) | Skill | 9 | 642.2× |
| [deployment](https://favz.co/tools/skill-deployment.md) | Skill | 12 | 556.6× |
| [orchestrator](https://favz.co/tools/skill-orchestrator.md) | Skill | 8 | 305.0× |
| [ponytail-help](https://favz.co/tools/skill-ponytail-help.md) | Skill | 6 | 194.2× |