Application Developer: designs, creates, deploys and updates programs for a particular device, the web or a specific operating system. Technical Specialists in this Job Role have expertise in translating IT requirements in the design, development, and assembly of components to create custom information systems. Typical examples of the deliverables are functional and technical designs, models, components, code, unit tests, and documentation.Application Developer: designs, creates, deploys and updates programs for a particular device, the web or a specific operating system. Technical Specialists in this Job Role have expertise in translating IT requirements in the design, development, and assembly of components to create custom information systems. Typical examples of the deliverables are functional and technical designs, models, components, code, unit tests, and documentation.