This is the 15949th most frequent Russian word.
профессиональные
Professional.
The word 'профессиональными' is used to describe the methods as being of a professional standard or quality.
Он работает профессиональными методами.
He works with professional methods.
Here, 'профессиональные' characterizes the skills as related to one's profession or industry-specific.
Профессиональные навыки важны для успешного трудоустройства.
Professional skills are important for successful employment.
In this sentence, 'профессиональными' describes the achievements as being tied to professional activities or accomplishments.