All Services Programming & Development Software developer $15/hr · Starting at $45 Proficient in Java and C#. Familiar with SQL. Familiar with Android development. Proficient in Constraint Programming and relevant tools such as Google OR-Tools. About $15/hr · Ongoing Download Resume Proficient in Java and C#. Familiar with SQL. Familiar with Android development. Proficient in Constraint Programming and relevant tools such as Google OR-Tools. Skills & Expertise AndroidC#Constraint ProgrammingDeveloperJavaSoftware DesignSQL 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts Java DevelopersC# ProgrammersSQL Developers