However later, having been working for more than 15 years, I was constantly self-educating.
However later, having been working for more than 15 years, I was constantly self-educating.
user
Однак згодом, професійно працюючи понад 15 років й одночасно з роботою на проектах, я все ж таки займався самоосвітою.
assistant