*
Following

*



*


*
A1: Beginner
A2: Basic
B1: Intermediate
B2: Advanced Intermediate
C1: Advanced
C2: Proficient

*

*

*

*
3–4 years
5–7 years
8–10 years
10+ years

*
Less than 3 years
3–5 years
5–7 years
8+ years

*
Yes, extensive experience
Yes, some experience
Limited experience
No experience

*
Yes, with all of them
With some of them
Limited experience
No experience

*
Yes, independently
Yes, as part of a team
No

*
Yes, built from scratch
Yes, maintained or extended existing frameworks
Only standard unit/integration tests
No experience

*
Yes, extensive experience
Yes, some experience
Academic or personal projects only
No experience

*
Strong practical knowledge
Working knowledge
Basic familiarity
No experience

*
Yes, in production
Yes, in research or academic projects
Limited exposure
No experience

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