A Mingle using Scrum developer is part of an Agile team that uses Mingle, a project management software, to manage Scrum workflows. This involves planning, tracking, and implementing software development projects. They participate in daily stand-ups, sprint planning, and retrospective meetings. They use Mingle to create user stories, track progress, identify bottlenecks, and ensure transparency among team members. They also use Mingle's visualization tools to monitor project progress. They collaborate closely with other team members, such as product owners and Scrum masters, to deliver high-quality software products within the agreed timeline.