Software Engineers, also known as developers or programmers, spend part of their time writing code, but that's not all they do; some days they might not write any code at all. The definition and responsibilities of a software engineer differ at every company. When it comes to writing code, most engineers will use an I.D.E. or an "Integrated Developer Environment" as well as a code repository commonly referred to as "Git" to manage, store, test, and connect their code to a working application. 

Many software engineers will also play a role in fixing bugs, application architecture, visual design, testing, documentation, interacting with customers, and daily stand up meetings.

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Engineers at most companies work on technical teams called scrum teams. Building software is collaborative effort between product management, UX design, QA testing, data science, and devOps teams.