Teja Ch

Senior Software Engineer @T-Mobile

Frisco, TX, US

Architected and led backend microservices in Node.js (TypeScript, Express.js) and Java Spring Boot for T-Mobile’s authentication platform serving 10M+ customers.Directed a team of 5 developers, driving code quality, mentoring juniors, and ensuring zero-defect production deployments with no rollbacks.Implemented enterprise-wide authentication workflows with OAuth 2.0 and JWT session tokens, reducing login failures by 30% across web and mobile platforms.Streamlined AWS infrastructure provisioning using Terraform with services like EC2, S3, IAM, Lambda, and API Gateway, cutting setup time from weeks to hours and achieving 99.9% uptime.Optimized RESTful APIs in Node.js and Spring Boot, improving performance and lowering latency by 20% for downstream applications.Instituted automated testing and CI/CD practices with Postman, Sauce Labs, Charles Proxy, Android Studio, Jenkins, and Docker, accelerating release cycles by 40% while sustaining production stability.Championed Agile/Scrum practices, maintaining a 95% sprint success rate through effective sprint planning, retrospectives, and cross-functional collaboration.Environment: Node.js, TypeScript, Express.js, Java Spring Boot, Angular (MEAN stack), AWS (EC2, S3, IAM, Lambda, API Gateway, CloudFormation), Terraform, Postman, Sauce Labs, Charles Proxy, Android Studio, Jenkins, Docker, OAuth 2.0, JWT, Git, Agile/Scrum

Gudlavalleru Engineering College, Seshadri Rao Knowledge Village, Gudlavalleru, PIN-521356(CC-48)

Bachelor's degree