OpenBet Salaries trends. 6 salaries for 1 jobs at OpenBet in Athens. Salaries posted anonymously by OpenBet employees in Athens. OpenBet Hellas S.A. develops software and platform for sports betting and gaming industry. The company was founded in and is based in Greece. OpenBet provides a great opportunity for a software developer." Development Lead Senior Software Engineer L3, Casino Lotteries Bingo, Athens, Greece.