Sr Engineers, 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!

T-Mobile is America’s supercharged Un-carrier, delivering an advanced 4G LTE and transformative nationwide 5G network that will offer reliable connectivity for all. Sr. Engineers, Software is located in Bellevue, WA will research, design, and develop computer and network software or specialized utility programs.

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

• Analyze user needs and develop software solutions, applying principles and techniques of computer science, engineering, and mathematical analysis.
• Understand system protocols, how systems operate and data flows.
• Aware of current technology benefits.
• Develop a full software stack.
• Understand the building T Mobile blocks, interactions, dependencies, and tools required to complete software and automation work.
• Interact with architects and principal engineers to define system requirements.
• Drive engineering projects by developing software solutions, conducting tests and inspections, and preparing reports and calculations.
• Contribute to designs and new frameworks that implement new ideas that improve an existing or new system/process/service.
• Understands and can apply new industry perspectives to our existing business model.
• Reviews existing designs and processes to highlight more efficient ways to complete existing workload more efficiently through industry perspectives.
• Collaborates with technical teams and applies system expertise to deliver technical solutions.
• Maintains knowledge of existing technology documents.
• Writes basic documentation on how technology works.
• Crafts clear documentation for new code and systems used.
• Documents systems designs, presentations, and business requirements for consumption and consideration at the manager level.
• Contributes to new and existing technology options that support business goals.
• Translates business and functional requirements into documented backlog in partnership with Product Owner.

Master’s degree in Computer or Information Technology, Software Engineering, or related, and 3 years of relevant work experience.

Bachelor’s degree in Computer or Information Technology, Software Engineering, or related, and 5 years of relevant work experience.

Developing enterprise-scale, consumer-facing web applications end-to-end using Java, Spring Boot, JavaScript, Type Script, and modern front-end framework. Designing and building content-driven web solutions using Adobe Experience Manager, including Sites, HTL (Sightly), Sling Models, OSGi, JCR, Content/Experience Fragments, and Dispatcher caching. Creating RESTful services and data layers using Java, Spring Boot, JPA, and Hibernate; implementing security with Spring Security (JWT, OAuth2); and ensuring quality through unit testing with JUnit and Mockito.

Building dynamic user interfaces with Alpine.js, semantic HTML, and CSS:
Flexbox, and Grid; optimizing performance using Webpack or Vite; and ensuring compliance with WCAG 2.1 AA accessibility standards. Implementing CI/CD pipelines using Git Lab, containerizing and deploying applications with Docker and Kubernetes, and monitoring using Splunk, Splunk Observability, and Open Telemetry for distributed tracing and metrics. Applying OWASP-aligned secure coding practices to prevent CSRF and XSS; performing code reviews with static analysis tools such as Checkstyle and ESLint;

and optimizing system performance for TTFB, CLS, LCP, and API latency.

• Location:
  
  Bellevue, WA
• Telecommuting is…