Principal Engineer, Telecom Billing Software

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 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 Principal Software Engineer 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!

• Drives engineering projects and team members by developing software solutions; conducting tests and inspections; preparing reports and calculations. Expected to supervise base through senior level engineers as needed.
• Presents project improvement scenarios to management for consideration.

• Monitor and influence relevant industry technologies and standards.
• Present highly technical concepts to both technical and non‑technical decision‑makers.
• Continuously learns, creates content, and teaches others specific subject areas.
• Informally coaches and contributes to the development of others through mentoring or in‑house workshops and learning sessions. Develops engineers across functional teams on technology decisions.
• Influence technology and policy decisions made across the VP organization.
• Understand financial decisions, including NPV and ROI, based on customer experience/business drivers.

• Evaluates new and existing technological options that support business goals.
• Understands current technology that supports business goals. Understands system protocols, how systems operate and data flows. Aware of current technology benefits. Expected to independently develop a full software stack. Understands the building blocks, interactions, dependencies, and tools required to complete software and automation work. Independent study of current technology is expected. Interact with system engineers to define system requirements and/or necessary requirements for automation.

• Develops, designs, and implements new ideas which utilize new frameworks to improve an existing or new system/process/service.
• Investigative independent study and problem solving for non‑routine tasks.
• Analyze existing processes and vendor roadmaps to highlight upcoming technology changes that would make the processes or tools more effective within a given VP function.
• Contributes to the creation of company IPR.

• Writes advanced documentation, architecture, capabilities, limitations, and advantages for technologies. Creates and modifies clear documentation for new code and systems used.
• Documenting systems designs, presentations, and business requirements for consumption and consideration at the director level.
• Contributes to industry professional norms.
• Contributes to the protection of company IPR.

• Telecom Billing Domain experience (Preferred)
• Experience developing telecom billing customer service management tools (Preferred)
• Bachelor's Degree Computer…