Oleh K.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

Seeking opportunities in Java/Perl/Python oriented development, shell scripting, BSD/Linux administration - to support your business. Java: Spring, Hibernate Perl: Catalyst/Mojo/Dancer, DBIx::Class Python: Django, FastAPI, SQLAlchemy DB: Postgres, MySQL/MariaDB On-hand experience with regular expressions (regexp), REST, and AJAX. I can work well alone and as a team member.