Principal Engineer, Software - Java Full Stack [T500-20370]

ANSR is hiring for one of its clients.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 : As a Principal Software Engineer, you will lead system architecture, modernization, and backend engineering efforts for enterprise-scale document management platforms. You will define scalable designs, drive platform performance, and integrate AI-powered solutions that enable secure, stable, and fast digital operations at scale. Your influence will shape engineering standards, developer experience, and cross-team technical alignment.What You’ll Do : Define and architect scalable, high-performance solutions for financial and operational platformsLead system design for complex business logic and high-availability architectureDrive modernization and refactoring of legacy systems to meet cloud-native standardsSet coding standards and architectural patterns across Java / Spring Boot microservicesOwn CI / CD pipeline integration, DevOps workflows, and cloud deployment reliabilityChampion platform performance, observability, and cost-effective scalingLead integration with third-party platforms, internal APIs, and enterprise servicesMentor engineers, conduct design reviews, and enforce secure coding practicesSupport system tuning, production diagnostics, and full-stack debuggingAlign architecture strategy with business domain context and platform roadmapDrive data-driven decisions through performance analytics and usage patternsCollaborate with ML, platform, and SRE teams to define SLAs, escalation strategies, and platform-wide reliability goalsPresent engineering strategy, progress, and outcomes to senior leadershipWhat You’ll Bring : Bachelor’s degree in Computer Science, Engineering, or related field7-12 years of hands-on backend and microservice architecture experienceExpert-level knowledge in Java, Spring Boot, REST / gRPC APIs, and distributed systemsSQL experience, especially with Oracle DB; performance tuning and optimization3+ years of DevOps experience with GitLab / GitHub CI / CD pipelinesProficient in Kubernetes, container orchestration, and secure deploymentsStrong experience with data flow orchestration and event-driven integrationsFamiliar with Splunk, Grafana, and backend debugging at scaleSolid understanding of platform security, network protocols, and service resiliencyDemonstrated leadership in architecture decisions and cross-team collaborationPassion for mentoring, innovation, and scalable platform designMust Have Skills : Spring / JavaSQL knowledge with Microsoft SQL Server / OracleGrafana, Splunk, OTEL, HAProxy, AppDynamics, JIRAAIOps, Security, PythonKafka, Elastic RMQCI / CD(Git), Docker, K8, Azure ADAngular / React / Node.JSNice To Have : DocuSign e-signature, DocuSign CLM