About T-Mobile:

T-Mobile US, Inc. (NASDAQ: TMUS), headquartered in Bellevue, Washington, is America’s supercharged Un-carrier, connecting millions through its solid 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.

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.

Senior Engineer – Telecom Billing

About the Role:

As a Senior Engineer – Telecom Billing, you will design, build, and support scalable, highly available software systems that power T-Mobile’s billing and customer service platforms. You will work hands-on with core telecom billing applications, contributing to system modernization, performance, and reliability, while exercising strong engineering judgment to diagnose and solve complex,



often ambiguous technical problems.

In this role, you are expected to operate with a high degree of autonomy—working through unclear requirements and evolving problem spaces without reliance on step-by-step direction. You will make thoughtful design choices across distributed systems, balancing performance, reliability, maintainability, and scalability trade-offs in mission-critical environments.

You will collaborate closely with cross-functional engineering teams to deliver well-integrated solutions that align with business objectives and technical standards, while also influencing system design, production stability, and long-term architectural direction of T-Mobile’s billing platforms.

What You’ll Do:
- Design, develop, test, and deploy software solutions supporting large-scale telecom billing and customer service platforms.
- Diagnose and resolve complex, systemic, and unclear production issues across distributed

📌 Sr Engineer, Software (Hyderabad)
🏢 TMUS Global Solutions
📍 Hyderabad