Acceptance Testing, Access Control, Application Integration, Cloud Computing, Code Reviews, Customer Support/Service, Design Patterns Programming Methodologies, Docker, IBM DB2, Java, Java Platform Enterprise Edition (Java EE/J2EE), Knowledge Management, Linux Operating System, Maintenance Services, Microservices, Microsoft SQL Server, Oracle Database, Performance Tuning/Optimization, Production Support, REST (Representational State Transfer), SOAP (Simple Object Access Protocol), SQL (Structured Query Language), Software Design, Technical Leadership, Technical Writing, User Documentation