Dundur Lama

About Dundur Lama

Professional Java Full-Stack Developer with experience in analysis, design, development, and testing of web and distributed multi-tier applications using Java and J2EE technologies. Expertise in designing, developing applications using MVC-based frameworks Struts framework, Angular framework and Spring MVC.Key Contributions:1.⁠ ⁠Microservices & Cloud Excellence: Built and deployed cloud-native microservices on AWS (EC2, S3, RDS, ELB) using Spring Boot for scalable business solutions.2.⁠ ⁠End-to-End Full Stack Development: Expertise in Java, Spring MVC, Hibernate ORM, REST APIs, Angular, React – delivering robust front-end and back-end systems.3.⁠ ⁠Enterprise-Grade Systems: Developed and optimized mission-critical applications with Struts, Spring Modules (AOP, LDAP, Scheduler), and database solutions (Oracle PL/SQL, SQL Server).

Experience

1. Full-stack Developer

   T-Mobile

   Feb 2022 — Present · Bellevue, WA, US

   Full Stack Developer at T-Mobile, driving end-to-end development of a scalable eSIM activation platform using Angular, Spring Boot, Microservices, and AWS. Proven expertise in developing RESTful APIs, Spring Batch jobs, and third-party API integrations. Hands-on with Docker, Jenkins CI/CD, and Oracle DB, ensuring secure, reliable, and high-performance solutions. Adept at Spring Security, Hibernate, UML Modeling, and white-box testing with JUnit.Key Achievements: Spearheaded the development and deployment of T-Mobile’s eSIM activation platform, enhancing customer experience and improving system reliability by 35%.Built microservices architecture with Spring Boot and Spring Eureka to optimize API routing and system scalability, improving service uptime and performance.Automated batch data processing with Spring Batch & Quartz Scheduler, reducing manual intervention and accelerating data ingestion efficiency by 40%.Established secure REST API authentication using Spring Security, safeguarding sensitive user data and ensuring regulatory compliance.Streamlined CI/CD pipeline with Docker and Jenkins, enabling faster deployment cycles and reducing production release time by 25%.

Education

• IIMS College

  Information Technology