Sr Engineer, Software

• Design, develop, and maintain full stack applications with expertise in both front-end and back-end technologies, with a focus on retail-facing systems
• Build and maintain back-end retail applications using Java, including RESTful API design, microservices architecture, and integration with enterprise systems
• Develop responsive, modern front-end experiences using JavaScript frameworks including React, React Native, and Angular
• 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 cross-functionally with engineering teams to deliver end-to-end software solutions across the full application stack, mentor junior engineers, and drive knowledge sharing sessions
• Support technology strategy by evaluating and applying current technologies that align with business goals
• Support high-availability, scalable production environments and proactively resolve technical issues using independent judgment
• 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

• 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)
• Experience using enterprise AI tools to support coding, documentation, and engineering workflows (Preferred)

Knowledge, Skills and Abilities:

• Full Stack Development - React, React Native, Angular (front-end); Java (back-end) (Preferred)
• JavaScript frameworks and modern front-end architecture (Preferred)
• Back-end retail application development and microservices (Preferred)
• RESTful API design and integration (Preferred)
• React Native for cross-platform mobile development (Preferred)
• Angular for enterprise-scale front-end applications (Preferred)
• Programming Languages (Required)
• Software Design and Development (Required)
• Communication (Required)
• Customer Service (Required)
• Collaboration (Required)
• Mentorship (Required)
• Analytics/Analytical Thinking (Required)
• Technical Writing (Required)
• System Integration (Required)

Licenses and Certifications:

• At least 18 years of age
• Legally authorized to work in the United States

$113,600 - $205,000Corporate Bonus Target: 15% life insurance, vision insurance, flexible benefit account, paid time off, paid holidays, tuition assistance, 401(k) United States, Washington, Bothell 22309 30th Dr Se (Show on map) May 21, 2026

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! Job Overview This role is essential for designing, implementing, and deploying scalable software solutions that meet customer requirements and support high availability environments. The role involves collaborating with engineers to develop software components using technologies such as virtualization, microservices, software-defined networking, network functions virtualization, and big data. It requires independent judgment to resolve technical issues and make recommendations for software design and implementation. Success is measured by the ability to deliver effective software solutions that integrate with system protocols and meet business and technical requirements. The work impacts organizational capabilities by enabling advanced software systems that improve operational efficiency and customer experience., Base Pay Range: $113,600 - $205,000 Corporate Bonus Target: 15%

The pay range above is the general base pay range for a successful candidate in the role. The successful candidate's actual pay will be based on various factors, such as work location, qualifications, and experience, so the actual starting pay will vary within this range. At T-Mobile, employees in regular, non-temporary roles are eligible for an annual bonus or periodic sales incentive or bonus, based on their role. Most Corporate employees are eligible for a year-end bonus based on company and/or individual performance and which is set at a percentage of the employee's eligible earnings in the prior year. Certain positions in Customer Care are eligible for monthly bonuses based on individual and/or team performance. To find the pay range for this role based on hiring location, click here.

At T-Mobile, our benefits exemplify the spirit of One Team, Together! A big part of how we care for one another is working to ensure our benefits evolve to meet the needs of our team members. Full and part-time employees have access to the same benefits when eligible. We cover all of the bases, offering medical, dental and vision insurance, a flexible spending account, 401(k), employee stock grants, employee stock purchase plan, paid time off and up to 12 paid holidays - which total about 4 weeks for new full-time employees and about 2.5 weeks for new part-time employees annually - 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, and voluntary long-term care insurance. We don't stop there - eligible employees can also receive mobile service & home internet discounts, pet insurance, and access to commuter and transit programs! To learn about T-Mobile's amazing benefits, check out www.t-mobilebenefits.com.