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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer, Platform - **Company:** T-Mobile Us, Inc. - **Location:** Philadelphia, PA, United States - **Experience:** Expert - **Salary:** $116,000.0 - $209,300.0 - **Contract:** Internship / Graduate position - **Skills:** Java (Programming Language), JavaScript (Programming Language), Agile Methodology, Amazon Web Services, Business Process Modeling, Cloud Computing, Code Review, Cyber Security, Distributed Systems, Information Systems Security Architecture Professional, Python (Programming Language), Cloud Services, Scala (Programming Language), Software Engineering, Cloud Platform System, Core Data, Kubernetes, Information Technology - **Published:** August 9, 2026 - **Apply:** https://www.wayup.com/i-Telecommunications-j-Senior-Software-Engineer-Platform-T-Mobile-998543842231160/ ## About the Role + 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 (Required) + Acceptable areas of study include Computer Science or Related Field (Preferred) + 4-7 years Developing and deploying platform services with a focus on automation and operational excellence (Required) + 4-7 years Collaborating with engineering, data, and product teams in an Agile environment to advance platform capabilities (Preferred) + 4-7 years Optimizing infrastructure for performance, security, and cost-efficiency in a cloud environment (Required) Knowledge, Skills and Abilities: + Agile Methodologies - Expertise in applying Agile practices and principles to improve the efficiency and effectiveness of software development projects. (Required) + Technical Leadership - Ability to lead platform engineering teams, providing technical guidance and support in a dynamic environment. (Required) + Problem Solving - Strong analytical skills to solve complex technical issues and optimize platform performance and security. (Required) + Collaboration - Effective in working cross-functionally with various teams to enhance platform capabilities and achieve business goals. (Required) + Security - In-depth understanding of cybersecurity principles to safeguard platform integrity and data privacy. (Required) + Cloud computing - Knowledge of cloud services and architectures to support scalable and secure platform solutions, AWS highly preferred. (Required) + Automation - Skilled in automating processes to enhance platform efficiency and reduce manual workload (Preferred) + Experience with any (2) of the following languages: Go, Java, Scala, Python, JavaScript Licenses and Certifications: + Certified Kubernetes Administrator (CKA): Certification that validates the ability to design, build, configure, and expose native cloud applications for Kubernetes, an essential skill for platform engineers working with container orchestration. (Preferred) + AWS Certified Solutions Architect: Certification demonstrating proficiency in designing distributed systems and applications on the AWS platform, which is crucial for optimizing platform services in cloud environments. (Preferred) + Certified Information Systems Security Professional (CISSP) An advanced-level certification for IT pros serious about careers in information security, focusing on managing and securing corporate environments, aligning with the security aspects of the role. (Preferred) + At least 18 years of age + Legally authorized to work in the United States ## Description 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! 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., + 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 ## Related Videos - [Platform Engineering vs. DevOps Why not both?](https://www.wearedevelopers.com/videos/885-platform-engineering-vs-devops-why-not-both) - [From Messy Queries to Scalable Systems - How Data Engineering actually works](https://www.wearedevelopers.com/videos/100203-from-messy-queries-to-scalable-systems-how-data-engineering-actually-works) - [Understanding Kubernetes in a visual way](https://www.wearedevelopers.com/videos/100085-understanding-kubernetes-in-a-visual-way) - [Are Code Reviews Worth It? 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