Sr Engineers, Software

About the role

Sr Engineers, Software at T-Mobile will understand system protocols, how systems operate and data flows.

Responsibilities

• Design and build systems that allow millions of connected IoT devices to send and receive data securely using cloud services.
• Develop and support software that handles large volumes of information being transmitted in real time from remote IoT devices.
• Create software solutions to organize, store, and retrieve different types of data effectively for business use.
• Build system components that can grow easily as the number of devices or users increases, without slowing down or failing.
• Set up automated processes that help deliver software updates and infrastructure changes quickly and reliably.
• Monitor the health, speed, and reliability of systems and take action when issues are detected.
• Work closely with other teams to understand business needs and turn them into working software solutions.
• Provide guidance on how to build and maintain large-scale systems that meet business, technical, and security standards.
• Research and apply new tools and techniques that make systems better, faster, and easier to manage.
• Write documentation and share knowledge with other engineers to support teamwork and long-term success.

Qualifications

Primary requirements: Bachelor's degree in Computer Engineering, or a related field, or its foreign equivalent, and 5 years of relevant work experience.

Alternative requirements: Master's degree in Computer Engineering, or a related field, or its foreign equivalent, and 3 years of relevant work experience.

Skills

• Building scalable applications using .NET Core, ASP.NET Core, and C#, with experience handling structured and unstructured data using PostgreSQL, MongoDB, and Cosmos DB.
• Designing and managing cloud-native systems using Microsoft Azure (IoT Hub, Functions, DevOps), with infrastructure automation via Terraform and Helm.
• Working with high-volume data pipelines using Apache Kafka, Event Hub and Azure Stream Analytics to support real-time device communication.
• Working with system observability through Azure Monitor, Grafana, and Application Insights to maintain reliability, detect bottlenecks, and ensure service continuity across millions of connected devices.
• Optimizing performance and scalability of IoT systems supporting millions of connected devices through distributed design and intelligent resource management using Kubernetes and Redis.

Pay

Washington Pay Range: $206,086.00 to $211,086.00/year.

Schedule

Telecommuting is permitted, but applicant must work from the worksite location at least 3-4 days per week. Work hours: 40 hours/week. No additional national or international travel is anticipated.

Benefits

All team members receive a competitive base salary and compensation package. 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.

Employees in regular, non-temporary roles are eligible for an annual bonus or periodic sales incentive or bonus based on their role. Most Corporate employees are eligible for a year-end bonus based on company and/or individual performance. Certain positions in Customer Care are eligible for monthly bonuses based on individual and/or team performance, while Retail and Business Sales roles are eligible for monthly or quarterly sales incentives.

Every employee at T-Mobile is eligible for an Annual Stock Grant.

Benefits include medical, dental and vision insurance, flexible spending account, 401(k), employee stock grants, employee stock purchase plan, paid time off and up to 12 paid holidays (about 4 weeks for new full-time employees and about 2.5 weeks for new part-time employees annually), paid parental and family leave, family building benefits, back-up care, enhanced family support, childcare subsidy, tuition assistance, college coaching, short- and long-term disability, voluntary AD&D coverage, voluntary accident coverage, voluntary life insurance, voluntary disability insurance, voluntary long-term care insurance, mobile service & home internet discounts, pet insurance, and commuter and transit programs.

Location: Bellevue, WA