Muhammad Nouman

Built and enhanced Java 21 / Spring Boot 3.x REST APIs, contributing to 10+ production endpoints following Clean Architecture principles. Supported refactoring of distributed microservices into a modular monolith, helping reduce deployment complexity by ~30% and improve system stability Optimized SQL-backed APIs, reducing response times by ~20%, and containerized services with Docker, integrating changes via GitLab CI/CD

Engineered scalable microservices with Java 11 & Spring Boot in cloud architectures, processing 5M+ daily transactions globally. Optimized backend payment systems in Agile teams. Championed TDD & test automation, achieving 95% code coverage with SonarQube. Streamlined CI/CD pipelines using blue-green deployments for zero-downtime releases. Enhanced observability & slashed latency by 60% by integrating API Gateways, Redis, and the ELK stack.

- Contributed to Nayapay’s backend development using Java 8, Spring Boot, Redis, and MongoDB. - Improved security and data integrity by developing a request validator filter** to restrict requests containing HTML tags. - Integrated Fly Jinnah APIs for ticket payments and Traffic Challan APIs for challan payments in Karachi and KPK through Nayapay. - Gained a comprehensive understanding of the project's technical aspects and business workflows.

1. Worked on the backend development of the Ehsaas project using Java 8, Spring Boot, and Hibernate. 2. Designed and developed RESTful APIs using Spring Boot. 3. Worked on Microservice Architecture. 4. Developed schedulers using cron expressions and fixed delay scheduling. 5. Collaborated in Agile environments with dev team and project managers for timely project delivery. 6. Assisted in debugging and troubleshooting issues during the testing and deployment phases.

• Worked extensively with the backend which comprises of Java 11, Microservices, Spring Boot, Hibernate and JPA. • Used Spring Rest Template for consuming 3rd party APIs. • Designed and Developed Restful APIs for different modules in the project as per the requirement. • Worked on Spring Security to generate JWT (JSON Web Token). • Performed the tasks with minimal direction and supervision. • Worked closely with the team for understanding and requirements gathering from the client.

1. Develop and maintain Java applications using Spring Boot, Java 8, Hibernate, JPA, and Spring Security. 2. Implement RESTful APIs, services, and controllers, ensuring efficient and secure functionality. 3. Collaborate with the team to identify and fix bugs, and optimize code performance. 4. Participate in code reviews, write unit tests, and contribute to documentation for codebase integrity