Senior Software Engineer, Platform Job at T-Mobile (Philadelphia)

Senior Software Engineer, Platform

T-Mobile

Location:
United States , Philadelphia ▼
New York

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

116000.00 - 209300.00 USD / Year

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Job Description:

This role is essential for developing and optimizing platform services that support the software development lifecycle and cloud infrastructure. It involves designing, deploying, and enhancing platform architecture with a focus on security, cost-efficiency, and operational excellence. The position requires collaboration with engineering, data, and product teams within an Agile environment to improve platform capabilities. Success is measured by the robustness, efficiency, and automation of platform services that enhance developer and customer experience. The work directly impacts the technological framework that supports organizational objectives and customer solutions.

Job Responsibility:

Design and deploy platform services to improve infrastructure performance, security, and cost-efficiency
Optimize existing platform services to efficiently handle core data workloads
Collaborate with engineering, data, and product teams to advance platform capabilities
Implement automation and operational improvements to enhance developer experience
Ensure robust platform architecture through practical engineering solutions
Participate in code review sessions to ensure the quality and security of code and configuration
Triage and remediate alerts from service monitoring and security events
Work within an Agile environment to streamline processes and increase productivity
Also responsible for other duties/projects as assigned by business management as needed

Requirements:

Bachelor's Degree plus 3 years of related work experience
OR advanced degree with 1 year of related work experience
OR combination of education and experience deemed equivalent
Acceptable areas of study include Computer Science or Related Field
4-7 years Developing and deploying platform services with a focus on automation and operational excellence
4-7 years Optimizing infrastructure for performance, security, and cost-efficiency in a cloud environment
Expertise in applying Agile practices and principles
Ability to lead platform engineering teams, providing technical guidance and support
Strong analytical skills to solve complex technical issues
Effective in working cross-functionally with various teams
In-depth understanding of cybersecurity principles
Knowledge of cloud services and architectures to support scalable and secure platform solutions, AWS highly preferred
Skilled in automating processes to enhance platform efficiency
Experience with any (2) of the following languages: Go, Java, Scala, Python, JavaScript
At least 18 years of age
Legally authorized to work in the United States

Nice to have:

4-7 years Collaborating with engineering, data, and product teams in an Agile environment to advance platform capabilities
Skilled in automating processes to enhance platform efficiency
Certified Kubernetes Administrator (CKA)
AWS Certified Solutions Architect
Certified Information Systems Security Professional (CISSP)

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
Medical, dental and vision insurance
Flexible spending account
Paid time off and 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:
March 19, 2026

Employment Type:

Fulltime

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