About TMUS Global Solutions T-Mobile is America s supercharged Un-carrier challenging conventions and setting current standards in wireless With the nation s largest and fastest 5G network T-Mobile delivers advanced connectivity and unmatched value to millions across the U S We re unwaveringly obsessed with providing the best possible service experience driven by a spirit of disruption that fuels competition and innovation in wireless and beyond Disclaimer TMUS India Private Limited is a subsidiary of T-Mobile US Inc and operates as TMUS Global Solutions TMUS India Private Ltd and T-Mobile US Inc do not provide telecommunication services in India About the Role The Senior Site Reliability Engineer Performance is a hands-on engineering role focused on ensuring that customer-facing and internal applications deliver optimal performance scalability and resiliency This role goes beyond traditional testingprofiling Java Spring Boot applications tuning Kubernetes workloads analyzing network issues and applying cloud-native best practices to drive systemic improvements The engineer designs and automates performance tests formulates hypotheses and uses data-driven insights to recommend or implement fixes at code infrastructure and architecture levels With an automation-first mindset they embed performance engineering into CI CD pipelines and partner with developers architects and SREs to create a performance-first culture What Youll Do Profile and optimize Java Spring Boot microservices diagnosing memory leaks GC issues thread contention and improving latency and throughput Design and execute performance tests load stress spike endurance using tools such as JMeter k6 Gatling Locust or LoadRunner Develop reusable test frameworks and integrate performance tests into CI CD pipelines Build load capacity models and design experiments to test scalability under real-world conditions Analyze and optimize Kubernetes workloads EKS AKS GKE tuning autoscaling pod configs and Helm charts Use observability tools AppDynamics Prometheus Grafana Splunk and tracing to identify performance bottlenecks Conduct performance diagnostics across network layers TCP IP gRPC HTTP REST Mentor engineers and participate in design reviews to embed performance practices from the start What Youll Bring 47 years of experience in performance engineering or backend system optimization Strong Java Spring Boot development background Hands-on experience with Kubernetes-based environments and container optimization Familiarity with AWS preferred Azure or GCP acceptable Experience with performance load testing tools JMeter k6 Gatling Locust or LoadRunner Ability to conduct network analysis and work with observability tools Experience in embedding performance tests into CI CD pipelines Strong collaboration and mentoring skills Must Have Skills Java Spring Boot Kubernetes EKS AKS GKE Performance testing tools JMeter k6 Gatling LoadRunner Observability Prometheus Grafana AppDynamics Splunk CI CD integration e g GitLab Jenkins JVM profiling tools JFR JProfiler VisualVM Nice To Have Cloud AWS preferred Azure GCP Distributed tracing Open Telemetry Jaeger Helm Terraform Network-level analysis HTTP 2 gRPC TLS optimization Experience mentoring SRE or developer teams on performance best practices Performance-related certifications Java Kubernetes AWS

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