Principal Software Engineer

About T-Mobile :

T-Mobile US, Inc. (NASDAQ : TMUS), headquartered in Bellevue, Washington, is America’s supercharged Un-carrier, connecting millions through its strong nationwide network and flagship brands, T-Mobile and Metro by T-Mobile. Customers benefit from an unmatched combination of value, quality, and exceptional service experience.

About TMUS Global Solutions :

TMUS Global Solutions is a world-class technology powerhouse accelerating the company’s global digital transformation. With a culture built on growth, inclusivity, and global collaboration, the teams here drive innovation at scale, powered by bold thinking.

TMUS India Private Limited operates as TMUS Global Solutions.

About the Role :

The Senior Software Engineer plays a critical role in designing and building scalable software systems that solve complex business and technical challenges. This individual works closely with software, network, and systems engineering teams to create solutions that support modern infrastructure patterns such as virtualization, microservices, SDN, NFV, and cloud computing. The role is hands-on and requires autonomy, innovation, and collaboration, with a strong focus on clean, maintainable, and high-performance code.

This engineer is also responsible for contributing to the overall architecture and strategy of technical systems, mentoring junior engineers, and ensuring solutions are aligned with T-Mobile's business and technical goals

What You’ll Do :

• Lead design, development, and deployment of software that meets business and technical requirements.
• Develop full-stack solutions using modern frameworks and platforms.
• Contribute to system architecture, infrastructure design, and service-oriented approaches.
• Guide junior engineers and conduct peer reviews to maintain code quality.
• Collaborate with DevOps teams to ensure seamless CI / CD integration and deployment automation.
• Drive innovation by recommending new technologies, frameworks, and tools.
• Document systems, APIs, infrastructure, and architecture decisions.
• Maintain ownership of project deliverables and resolve complex technical challenges.
• Perform additional duties and strategic projects as assigned.

What You’ll Bring :

Must Have Skills :