2. What's the difference between junior engineers and assistant engineers in architecture? Theoretically, it is the same as in real life, because it involves popular terms. The so-called engineers are divided into junior, intermediate, deputy senior and senior. In daily life, junior engineers are called assistant engineers, or "helpers" for short. 3. Engineers are called intermediate engineers, and senior engineers are actually deputy senior engineers. Senior engineers will directly say that they are senior engineers. In fact, people often call them that for the convenience of life, especially in the jargon of professional institutions such as professional titles.