Sr Engineer, Software

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 is a subsidiary of T-Mobile US, Inc. and operates as TMUS Global Solutions.

About the Role

The Senior Platform Engineer is a key technical leader responsible for designing, developing, deploying, and optimizing platform services that support critical data workloads. This role blends platform architecture with hands-on engineering — focusing on performance, security, automation, cost-efficiency, and a stellar developer experience. Working within agile teams, this engineer collaborates cross-functionally with engineering, data, and product stakeholders to advance platform capabilities and align infrastructure with business strategy.

This position plays a crucial role in enabling operational excellence, innovation, and strategic growth through robust platform solutions.

What You’ll Do

• Design, develop, and deploy platform services to improve performance, security, and cost optimization
• Enhance and maintain infrastructure to efficiently handle core data workloads
• Collaborate across engineering, data, and product teams to expand platform capabilities
• Build automation pipelines to support deployment and developer experience at scale
• Ensure the security and resilience of platform architecture and implementation
• Work within Agile frameworks to streamline platform engineering and delivery
• Contribute to cross-functional projects and support strategic technology initiatives
• Participate in platform lifecycle planning, observability, and cost management
• Perform other responsibilities and projects as assigned by leadership

What You’ll Bring

• Bachelor’s degree in Computer Science, Software Engineering, or a related technical field (Master’s preferred)
• 4–7 years of experience in platform engineering, cloud infrastructure, or DevOps
• Strong background in cloud computing (AWS, GCP, Azure) and infrastructure automation
• Proven ability to lead and implement scalable platform solutions in enterprise settings
• Hands-on experience in Kubernetes, CI/CD, scripting, and infrastructure-as-code
• Proficiency in Agile development and cross-functional collaboration
• Deep understanding of platform security, performance tuning, and operational optimization
• Certifications (preferred): CKA, AWS Solutions Architect, CISSP

Must Have Skills

• Experience in Platform Engineering
• Proficiency in programming languages such as TypeScript, Java (Spring Boot), or Python
• Experience with monitoring tools (Splunk preferred, but others are acceptable)
• Solid understanding of both SQL and NoSQL database systems
• Hands-on experience with Kubernetes , Docker , and CI/CD pipelines.
• Proficiency in Helm Deployment Strategy and Distributed Caches (Redis/Hazelcast) and Entra Integration, OAUTH/RBAC

Nice To Have

• Experience with developer platforms and internal platform-as-a-service models
• Familiarity with platform telemetry tools (e.g., Grafana, OTEL, Splunk)
• Proficiency in languages like Go
• Knowledge of service mesh, container orchestration, and GitOps practices
• Exposure to FinOps or platform cost governance strategies