Sr Engineer, Software

Overview

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. 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 to join the Un-carrier movement?

We’re looking for a Senior Software Engineer who not only builds high-quality software but also ensures that it runs reliably and scales in production. This role blends advanced full-stack development with systems reliability practices, giving you end-to-end ownership—from architecture to code, deployment, observability, and mentoring. Join us to deliver innovative, cloud-native systems that power T-Mobile’s customer experiences—and lead the way in shaping our engineering culture!

• Software Development
  :
  Architect, design, and maintain full-stack web solutions, including front-end (Angular), back-end (Java/Spring Boot, microservices), and databases (Postgres, Oracle, SQL).
• Extend and optimize data storage mechanisms across relational and non-relational stores; provide performance tuning and schema design guidance.
• Independently design and implement complete software stacks that meet business and customer needs with long-term scalability in mind.
• Drive adoption of modern frameworks, reusable libraries, and engineering best practices across teams.
• Collaborate in Agile teams, break down complex features into stories, and ensure clear technical documentation.

• Dev Ops / Systems Reliability
  :
  Lead deployment and operations of applications across non-production and production environments with strong focus on resilience, scalability, and security.
• Design and implement CI/CD pipelines with Jenkins, Git Lab, and infrastructure as code (Terraform/Ansible).
• Build and maintain monitoring dashboards to track application and infrastructure health.
• Use Grafana (APM/observability) and Splunk (logging) to monitor, troubleshoot, and improve system reliability.
• Work with Kubernetes, Docker, and cloud-native patterns to enable scalable, automated deployments.
• Continuously apply monitoring feedback and incident postmortems to improve service quality and prevent future issues.

• Technical Leadership & Innovation
  :
  Collaborate with engineers, architects, and system teams to define and deliver scalable technical solutions.
• Mentor junior and mid-level engineers through code reviews, design discussions, and technical coaching.
• Introduce new patterns, frameworks, and cloud services that improve delivery, performance, and reliability.
• Influence technical direction, ensure adherence to engineering standards, and advocate for automation and quality-first practices.
• Continuously learn and apply emerging technologies in both software engineering and Dev Ops, bringing innovative ideas to T-Mobile.

• Bachelor's Degree in Computer Science, Engineering, or equivalent experience (Required).
• 5-8+ years of software engineering experience in Agile/Dev Ops environments.
• Strong programming skills in Java, Spring Boot, Angular
  , plus experience with C, C#, Python, Go
  , or scripting (Shell/Perl).
• Hands-on experience with CI/CD tools (Jenkins, Git Lab), containers & orchestration (Docker, Kubernetes).
• Expertise in monitoring & logging tools (Grafana, Splunk, App Dynamics).
• Strong architectural design, communication, collaboration, and technical writing skills.

• Preferred / Nice-to-Have Skills
  :
  
  Experience with business intelligence/reporting tools, especially Jaspersoft
  .
• Familiarity with cloud service providers (
  AWS, Azure, or GCP
  ) and infrastructure as code.
• Proven experience mentoring engineers and driving technical initiatives.

* At least 18 years of age

* Legally authorized to work in the United States

Note: T-Mobile requires U.S. citizenship for certain roles within the organization. This role requires U.S. citizenship. Individuals hired into this role will be required to submit documentation proving U.S. citizenship within the first 7 days of hire; failure to do so will…