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T-Mobile Logo T-Mobile · IT - Software Development

Sr Software Engineer

United States, Frisco Employment contract 113600.00 - 205000.00 USD / Year · Job Posted June 30, 2026
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Job Description

We are seeking a highly skilled and experienced Senior Software Engineer to join our dynamic engineering team. The ideal candidate will lead the design, development, and deployment of scalable microservices, manage cloud infrastructure on AWS, and ensure robust API performance. This is a hands-on leadership role that requires strong technical savvy and the ability to collaborate with multi-functional teams across geographies.

Job Responsibility

  • Develop software solutions and conduct tests to drive engineering projects and ensure quality deliverables
  • Contribute to design innovations that improve systems, processes, or services using new frameworks and industry standards
  • Collaborate with technical teams to deliver solutions and mentor others through knowledge sharing and training sessions
  • Support technology strategy by evaluating and applying current technologies that align with business goals
  • Create clear documentation for software code, system designs, and business requirements to support knowledge sharing
  • Also responsible for other duties/projects as assigned by business management as needed

Requirements

  • Bachelor's Degree plus 5 years of related work experience OR Advanced degree with 3 years of related experience (Required)
  • Acceptable areas of study include Computer Science, Software Engineering, Information Management or equivalent experience in field (Required)
  • 4-7 years Technical engineering experience. (Required)
  • 4-7 years of progressive software engineering experience, including architectural leadership and complex system integration
  • Software design and development - advanced expertise in Java and Spring Boot for secure, scalable microservices
  • strong API design (REST/GraphQL) and contract testing
  • Deep knowledge of AWS, containers/Kubernetes, CI/CD, and DevOps/SRE principles
  • Experience with event-driven architectures (e.g., Kafka), API orchestration, and distributed systems
  • Proficiency with SQL/NoSQL, caching (Redis), and end-to-end observability (browser RUM, logs/metrics/traces with Splunk/Datadog)
  • Strong front-end engineering expertise with Angular and React: TypeScript, RxJS (Angular), React Hooks, and state management
  • Performance optimization: code-splitting, lazy loading, hydration/SSR with Next.js or Angular Universal
  • Accessibility (WCAG) and web security (CSP, OAuth/OIDC flows)
  • Proficient with AI coding assistants (GitHub Copilot, Claude, Cursor, or equivalent) to accelerate development velocity and reduce boilerplate
  • Experience integrating LLM APIs (OpenAI, Anthropic, or equivalent) into production services and applications
  • Familiarity with prompt engineering patterns, retrieval-augmented generation (RAG), and agentic workflow design
  • Exceptional collaboration and communication across cross-functional, globally distributed teams
  • Also Required: Analytical Thinking, Technical Writing, Analytics, Mentorship, Customer Service
  • At least 18 years of age
  • Legally authorized to work in the United States
  • Travel Required (Yes/No): Yes

Nice to have

  • AWS Solution Architect and/or Kubernetes certification
  • AI/ML certification or coursework (e.g., AWS ML Specialty, Google Professional ML Engineer, DeepLearning.AI)
  • Routing, forms, and enterprise-scale module federation/micro-frontends
  • Experience in telecom or other highly regulated industries
  • Salesforce integration experience
  • Experience leading design systems, micro-frontend platforms, and multi-repo/monorepo strategies at scale
  • Contributions to open-source AI tooling or demonstrated AI project portfolio

What we offer

  • Competitive base salary and compensation package
  • Annual stock grant
  • Employee stock purchase plan
  • 401(k)
  • Free, year-round money coaches
  • Medical, dental and vision insurance
  • Flexible spending account
  • Paid time off
  • Up to 12 paid holidays
  • 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
  • Access to commuter and transit programs
  • Annual bonus or periodic sales incentive or bonus (based on role)
  • Year-end bonus (based on company and/or individual performance for most Corporate employees)
  • Monthly bonuses (for certain positions in Customer Care)
  • Corporate Bonus Target: 15%
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