About
Java Backend Developer with 3.5 years of experience in telecom domain specializing in backend service development, telecom billing systems, and scalable microservice architectures. Strong experience in Core Java, Spring Boot, Microservices, Hibernate, REST APIs, and database development. Proven ability to design, develop, and optimize backend applications handling large-scale telecom billing and subscription management systems.
Skills & Expertise (26)
Work Experience
Software Engineer
6D Technologies
Jan 2023 - Present
Designed and developed scalable backend services for telecom billing and subscription management systems using Java and Spring Boot. Worked on both legacy monolithic applications and modern Microservices Architecture, contributing to system modernization and service modularization. Designed and implemented RESTful APIs using Spring Boot for telecom product catalog management, subscriber services, and billing platforms. Developed microservices-based backend systems to handle telecom customer data, billing transactions, and service provisioning within distributed environments. Implemented telecom billing business logic including charge calculation, discount processing, billing adjustments, billing frequency management, invoice scheduling, and automated invoice generation workflows. Utilized Hibernate and JPA ORM frameworks for database interaction and optimized complex SQL queries to improve database performance and application efficiency. Containerized backend applications using Docker and deployed microservices in Kubernetes environments to support scalable and resilient deployments. Implemented CI/CD pipelines using Jenkins, enabling automated build, integration, and deployment processes. Worked in Agile development environments (Scrum & Kanban) participating in sprint planning, backlog grooming, daily stand-ups, and retrospectives. Provided production support by analyzing application logs, debugging backend services, identifying root causes, and resolving critical production issues. Improved invoice generation performance by 30% by optimizing Hibernate queries and implementing batch processing techniques. Collaborated with cross-functional teams including product managers, QA engineers, and DevOps teams to deliver high-quality backend solutions.
Education
Bachelor of Engineering (Computer Science) - Channabasaveshwara Institute of Technology
2018 - 2022 · Afghanistan
Pre-University Course (PUC) - Sri Siddartha First Grade College
2016 - 2018 · Afghanistan
