# data-engineer

Skill · `skill:data-engineer`

Favz census, built 2026-10-05. Tool names and counts only. No repo names. HTML page: https://favz.co/tools/skill-data-engineer.html

- Repos that have it now: 20
- Repos that ever had it: 24
- Still have it: 83%
- Share of census repos with any tool: 0.02%

## 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 |
|---|---|
| 2026-02 | 3 |
| 2026-03 | 11 |
| 2026-04 | 13 |
| 2026-05 | 15 |
| 2026-06 | 18 |
| 2026-07 | 19 |
| 2026-09 | 20 |

## 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 |
|---|---|---|---|
| [ai-engineer](https://favz.co/tools/skill-ai-engineer.md) | Skill | 14 | 3847.4× |
| [spark-optimization](https://favz.co/tools/skill-spark-optimization.md) | Skill | 13 | 3572.6× |
| [startup-metrics-framework](https://favz.co/tools/skill-startup-metrics-framework.md) | Skill | 13 | 3572.6× |
| [ui-visual-validator](https://favz.co/tools/skill-ui-visual-validator.md) | Skill | 13 | 3572.6× |
| [ai-agents-architect](https://favz.co/tools/skill-ai-agents-architect.md) | Skill | 12 | 3462.7× |
| [airflow-dag-patterns](https://favz.co/tools/skill-airflow-dag-patterns.md) | Skill | 12 | 3462.7× |
| [bazel-build-optimization](https://favz.co/tools/skill-bazel-build-optimization.md) | Skill | 12 | 3462.7× |
| [data-quality-frameworks](https://favz.co/tools/skill-data-quality-frameworks.md) | Skill | 12 | 3462.7× |
| [dbt-transformation-patterns](https://favz.co/tools/skill-dbt-transformation-patterns.md) | Skill | 12 | 3462.7× |
| [defi-protocol-templates](https://favz.co/tools/skill-defi-protocol-templates.md) | Skill | 12 | 3462.7× |
| [employment-contract-templates](https://favz.co/tools/skill-employment-contract-templates.md) | Skill | 12 | 3462.7× |
| [gitlab-ci-patterns](https://favz.co/tools/skill-gitlab-ci-patterns.md) | Skill | 12 | 3462.7× |