Application Programming Interface (API), CSS (Cascading Style Sheet), Distributed Computing, Distributed Control Systems (DCS), Git, Internet Application, Internet Security, JavaScript, JavaScript Frameworks, Microservices, Microsoft SQL Server, NoSQL, REST (Representational State Transfer), React.js, Relational Databases (RDBMS), Software Engineering, Source Code/Configuration Management (SCM), System Architecture, User Interface/Experience (UI/UX)