All Services Programming & Development C# API development $5/hr · Starting at $25 Develop C# libraries and APIs. Have built API interfaces for a number of companies that worked with mobile and web front ends. About $5/hr · Ongoing Download Resume Develop C# libraries and APIs. Have built API interfaces for a number of companies that worked with mobile and web front ends. Skills & Expertise API DevelopmentC#Software Development 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts Software DevelopersSQL DevelopersMicrosoft SQL Server ManagersMicrosoft Access ProgrammersC# ProgrammersData ManagersDatabase DevelopersServer AdministratorsAPI DevelopersMySQL Developers