A software team is a group of software engineers, software coders, software testers, documentation writers, etc. that work together on the design, development, testing, and documentation of a specific piece of software. Occasionally some people from nonsoftware fields (e.g. hardware technicians) may be attached to a software team (often for a short time) to assist with specific issues.

software process line and software product line

Give team members more control over process and technical decisions

The Microsoft Visual Studio Team System is used to help software engineers develop communication and collaboration components. This can include, item tracking, source control, process guidance and reporting.

Yes, most software engineers are working as part of a team.