All Services Engineering & Architecture Big data & many user & troubleshooting $30/hr · Starting at $500 20 years experinced with big data and 5000 users. I know C C++ C#. ALso tunnig databases and querys. About $30/hr · Ongoing Download Resume 20 years experinced with big data and 5000 users. I know C C++ C#. ALso tunnig databases and querys. Skills & Expertise CC#C++Troubleshooting 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts C++ DevelopersC ProgrammersC# ProgrammersTroubleshooting Experts