Senior Engineer

T-Mobile

Sr Engineer at T-Mobile responsible for designing, implementing, and deploying software solutions. Collaborating with engineers and delivering effective software in high availability environments.

Posted 5/6/2026full-timeFrisco • Kansas, Texas, Washington • 🇺🇸 United StatesSenior💰 $113,600 - $205,000 per yearWebsite

Tech Stack

Tools & technologies

AWSAzureCloudDockerHibernateJavaJUnitMicroservicesMockitoNoSQLSpringSpring BootSpringBootSQL

About the role

Key responsibilities & impact

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 best practices
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

What you’ll need

Bachelor's Degree plus 5 years of related work experience OR Advanced degree with 3 years of related experience
Acceptable areas of study include Computer Science, Software Engineering, Information Management or equivalent experience in field
4-7 years Technical engineering experience
Strong Java experience with Spring Boot and building RESTful APIs / microservices
Solid understanding of API design, HTTP protocols, and backend architecture patterns
Experience with databases (SQL + JPA/Hibernate; NoSQL is a plus)
Familiarity with cloud platforms (AWS/Azure) , Docker , and CI/CD pipelines
Knowledge of security (Spring Security, OAuth2, JWT) and API best practices
Experience with testing frameworks (JUnit, Mockito) and API testing tools

Benefits

Comp & perks

medical, dental and vision insurance
flexible spending account
401(k)
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

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

JavaSpring BootRESTful APIsmicroservicesAPI designHTTP protocolsbackend architecture patternsSQLJPAHibernate

Soft Skills

collaborationmentoringknowledge sharingcommunicationdocumentation