Sr Engineer, Software - Platform [T500-20285]

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