proficient
/pɹəˈfɪʃ.ənt/adjective
Skilled and capable at doing something, usually through practice.
Example sentences
- “After two years abroad, she became proficient in Spanish.”
- “You need to be proficient with spreadsheets to apply for this job.”
'Proficient in' a language or skill is standard resume wording. It means solidly competent, a notch below expert.