"professionally active" is correct and can be used in written English.
You can use it to describe someone who is active in their profession, or is involved in professional activities. For example, "She is a professionally active nurse who volunteers her time at a local health clinic."
Among the professionally active persons, the mean degree of professional activity was 95.4% in males and 74.4% in females.
The Faculty Services Librarian participates in library planning committees and task forces and engages in campus, regional, and national professional organizations and collaborative activities, and is expected to be professionally active.
More than 80% of the professionally active pharmacists in Poland (over 17 thousand professionals) take part in courses carried out with the use of e-learning platforms.
All the respondents (except five), independently of their gender, age, or work status, mentioned the interruption to daily activities (i.e., whether they were professionally active or not, and whether they had an independent or dependent work status).
After his retirement, Kanner remained professionally active.
She retired in 1945, although she remained professionally active.
My father remains professionally active; he still writes and travels the world.
Widely published, he remained professionally active with numerous organizations to the end.
Crandall was professionally active as an engineering consultant and a member of many technical societies.
Furthermore, although Egyptian women tend to be educated and professionally active, society at large is overwhelmingly conservative.
He encouraged her to remain professionally active, so she wrote a column for Newsday, often chronicling her encounters with celebrities.
