Are you someone that likes new challenges? Do you want to explore new technologies and help solve some of the world's most difficult problems, like air quality and safety solutions? At TSI, these opportunities are real. Our engineers work with industry-leading experts both internally and externally. We encourage and enable our engineers to get into the field with customers to better understand their issues and solve their problems. At TSI, you make a difference - every day. Sr. Principal Software Engineer - Supervisor at TSI TSI is reimagining their business and customer experience by delivering game changing digital solutions across a variety of market segments. TSI is using leading-edge technologies on a SaaS platform and the Internet of Things (IoT) to solve complex problems. The teams are using web stack technologies including JavaScript, HTML5, CSS3/SCSS, and Golang running on the Google Cloud Platform with Mongo Atlas, Kubernetes, ClearBlade IoT Core, Redis, Terraform, Apigee, and many more cloud services.