At T-Mobile, we invest in YOU! Our Total Rewards Package ensures that employees get the same big love we give our customers. All team members receive a competitive base salary and compensation package - this is Total Rewards. Employees enjoy multiple wealth-building opportunities through our annual stock grant, employee stock purchase plan, 401(k), and access to free, year-round money coaches. That’s how we’re UNSTOPPABLE for our employees! Are you ready for the next chapter in your Uncarrier journey? If so, our team is looking for a Principal Software Engineer (PSE) to mentor a team of software engineers, network and systems engineers to craft, implement, and deploy software meeting customer's requirements, scales easily, removes the limitations of traditional networking solutions, and supports deployment. The PSE at times leads or at a minimum is an active participant in architecture and design of various software components and composed on crafting applications that leverage technologies such as virtualization, micro services, SDN, NFV, and Big Data platforms and technologies. We work on technical assignments that are difficult, requiring judgment in resolving issues and/or making recommendations. You'll determine methods and procedures, and we work with assignments requiring considerable judgment and initiative! We pride ourselves on encouraging a culture of innovation, advocating for agile methodologies, and promoting transparency in all that we do. Join us in embodying the spirit of the 'Un-carrier' and make a tangible impact!