Algorithms, Application Programming Interface (API), Certified in Production and Inventory Management (CPIM), Concurrency, Customer Relations, Data Structures, Design Patterns Programming Methodologies, Distributed Computing, Git, HTTP (HyperText Transport Protocol), JSON, Memory Debugging, Memory Management, Mobile Applications, Mobile Applications Development, Mock Up, Network Administration/Management, Network Debugging, Network Protocols, Objective-C Programming Language, Operating Systems, Product Design, Prototyping, REST (Representational State Transfer), Relational Databases (RDBMS), Software Development, Software Development Lifecycle (SDLC), Source Code/Configuration Management (SCM), Sports, Sports Software, Testing, User Interface/Experience (UI/UX), XML (EXtensible Markup Language), iOS