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Senior Software Engineer

https://www.t-mobile.com Logo

T-Mobile

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Location:
United States , Bellevue

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

113600.00 - 205000.00 USD / Year
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Job Description:

We're searching for a Senior Software Engineer to work with a team of other software engineers, network and systems engineers to design, implement, and deploy software which meet customer's requirements, scales easily, removes the limitations of traditional networking solutions, and supports deployment in highly available environments. The Software Engineer participates and leads in architecture and design of various software components focused on creating applications that leverage technologies such as virtualization, micro services technologies. They work on technical assignments that are semi routine or greenfield in nature but recognizes that need for occasional deviation from accepted practice. They normally follow established procedures on routine work and require instructions only on new assignments. As a Software Engineer, you will design, develop, test, and maintain software solutions that meet business needs. You’ll collaborate with cross-functional teams to deliver high-quality products, drive innovation, and continuously improve development processes.

Job Responsibility:

  • Develop, test, and deploy high-quality software solutions using Java and Spring Boot
  • Design and implement RESTful APIs, ensuring compliance with best practices and standards
  • Work with structured data formats including JSON and XML
  • understand and apply XSD and YAML where necessary
  • Integrate and support systems using REST and related standards
  • Collaborate on API documentation using Swagger
  • Build and maintain message-driven, event driven architectures using Kafka
  • Manage codebases and collaborate effectively using git, gitlab
  • Participate in code reviews, agile ceremonies, and contribute to team knowledge sharing
  • Troubleshoot and resolve complex software issues in a timely manner
  • Collaborates with technical teams and uses system expertise to deliver technical solutions
  • Continuously learns new technologies
  • Writes documentation on how technology works
  • Contributes clear documentation for new code and systems used
  • Documenting systems designs, presentations, and business requirements for consumption at the engineer level
  • Contributes to emerging technologies to deliver business goals
  • Demonstrates an understanding of current technologies that support business goals
  • Presents new ideas which improve an existing system/process/service using new frameworks
  • Express new perspectives based on independent study of the industry
  • Review current company processes to highlight questions that may drive process refinement

Requirements:

  • 6+ years technical engineering experience
  • Java & Spring Boot programming experience
  • Strong experience in building scalable, high performing REST APIs and micro services
  • Solid understanding of JSON and XML
  • Experience working with Kafka, JMS and Messaging
  • Use of Swagger for API documentation
  • Proficiency with Git version control and gitlab
  • Proficiency in CI/CD, deployment automation
  • Experience in building test automation using Junit, Karate etc
  • Experience with Postman for API testing and integration
  • Excellent problem-solving, analytical, and communication skills
  • Previous experience working in Agile/Scrum environments
  • Experience with databases (Oracle, MySQL etc.) and developing SQLs, PL/SQLs
  • Experience with Snowflake
  • Experience with containerization and orchestration tools (Docker, Kubernetes)
  • Strong experience in creating design documents, sequence diagrams, technical documentation
  • Strong experience using telemetry tools such as Splunk, App Dynamics, Grafana etc
  • Experience implementing Privacy state laws such as CCPA, CPRA, Compliance regulations such as TCPA
  • Bachelor's Degree Computer Science, Engineering or similar field of study
  • At least 18 years of age
  • Legally authorized to work in the United States
What we offer:
  • Competitive base salary and compensation package
  • Annual stock grant
  • Employee stock purchase plan
  • 401(k)
  • Access to free, year-round money coaches
  • Annual bonus or periodic sales incentive or bonus
  • Medical, dental and vision insurance
  • Flexible spending account
  • Employee stock grants
  • Employee stock purchase plan
  • 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

Additional Information:

Job Posted:
January 03, 2026

Employment Type:
Fulltime
Work Type:
On-site work
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