WEB platform visual part to clients is just a mountain peak in comparison how many technologies and experience required to ensure high quality results. As senior enterprise developer, I provide full cycle service. From business requirements architecture to final deployment configurations. Most common implementation strategy:

collect business requirements and form logic business architecture

produce solution > data > application > DB > infrastructure > security architectures

estimate time and price

development + weekly revisions

automate testing & deployment

In general I like to develop very high level performing applications. As a result, clients require significantly less hardware to run projects.