What Principal Backend Jobs Ask For
Across 25 open Principal Backend postings that list skills, the ones mentioned most often are kafka, api, java.
Updated October 27, 2026
25 open Principal Backend postings. The percentages below are measured over the 25 of them that list skills at all.
| Skill | Mentioned in |
|---|---|
| kafka | 72% |
| api | 60% |
| java | 60% |
| observability | 56% |
| ai | 52% |
| ci-cd | 48% |
| cloud | 48% |
| aws | 44% |
| microservices | 44% |
| event-driven-architecture | 40% |
| kubernetes | 40% |
| distributed-systems | 36% |
| grpc | 32% |
| cloud-native | 28% |
| llm | 28% |
| spring | 28% |
| agile | 24% |
| automation | 24% |
| cryptocurrency | 24% |
| nosql | 24% |
| python | 24% |
| web3 | 24% |
| gcp | 20% |
| kotlin | 20% |
| redis | 20% |
| scala | 20% |
| sql | 20% |
"Mentioned in" counts postings that name the skill anywhere — including as a nice-to-have — so treat it as the ceiling, not the bar.
Browse 25 open Principal Backend jobs →
Across all Backend levels
Most Backend postings never state a level. This wider list covers them too.
- ai 458
- api 452
- aws 376
- distributed-systems 364
- python 363
- cloud 362
- kubernetes 326
- java 241
- postgresql 234
- observability 228
- docker 189
- ci-cd 187