Shivam Naiknavare

Java Developer and Backend Engineer with 2+ years of experience at Tech Mahindra building production-grade microservices and RESTful APIs for global telecom clients AT&T and MTN. Delivered a telecom NOC complaint management system serving 100+ users with 99.9% uptime — reducing database load by 60% through Redis caching and cutting complaint search response time by 40%. Currently working on AT&T's Broadband Network Management System (Light Speed) implementing TMF-compliant REST APIs in an event-driven Spring Boot/Kafka/PostgreSQL microservices architecture.

Strong expertise in Java 8/17, Spring Boot, Spring Cloud, Apache Kafka, Redis, MySQL, PostgreSQL, Docker, AWS EC2, JUnit 5, Mockito, and Swagger/OpenAPI. Recognized with Tech Mahindra PatOnTheBack Award for outstanding delivery excellence.

Software Engineer - Tech Mahindra - Pune, Maharashtra

(2023-12)

Telecom Domain

AT&T – Light Speed (BBNMS) – Service Catalog Microservice - Tech Mahindra - Pune, Maharashtra

(2025-10)

Working on the Service Catalog microservice within AT&T's BBNMS Light Speed (Broadband Network Management System) platform — a mission-critical service managing all specifications and configuration data required to create new broadband service orders for AT&T's network.

• Designed and implemented TMF-standard REST APIs to manage and validate catalog states — ensuring accurate service definitions and consistent data integrity across the distributed network management system.
• Built production-grade backend services using Java 17, Spring Boot, Hibernate, PostgreSQL, and Apache Kafka in an event-driven microservices architecture, handling real-time broadband service order events at scale.
• Maintained 80%+ unit and integration test coverage using JUnit 5 and Mockito — reducing production defects and ensuring reliability across all service endpoints.
• Deployed microservices across multiple environments using Jenkins CI/CD pipelines ensuring consistent and reliable delivery of application builds.
• Achieved 95% on-time sprint delivery rate following SAFe Agile methodology — actively participating in sprint planning, backlog grooming, and daily Scrum ceremonies.
• Defined and maintained Swagger/OpenAPI contracts for all REST APIs — enabling clear, consistent integration contracts across microservices and improving cross-team collaboration.

MTN – Complaint Management System - Tech Mahindra - Pune, Maharashtra

(2024-01 - 2025-09)

Designed and delivered a fully digital, scalable complaint management platform for MTN's Telecom NOC — transforming a manual Excel-based process into a centralized system serving 100+ NOC users, processing 500+ daily complaints with 99.9% uptime.

• Reduced database load by 60% through strategic Redis caching and optimized MySQL queries — cutting complaint search response time by 40% and improving dashboard load time from 8 seconds to 2 seconds.
• Developed and documented 20+ REST APIs using Java 17, Spring Boot, and Spring Data JPA — validated through Postman with full Swagger/OpenAPI specification coverage.
• Deployed application builds on AWS EC2 for staging validation and contributed across the full development lifecycle under SAFe Agile — including sprint ceremonies and live client demonstrations.
• Recognized with the Tech Mahindra PatOnTheBack Award for outstanding delivery and contributions to the MTN project.

Bachelor of Technology (B.Tech) - Electronics & Telecommunication Engineering - DBATU University, Lonere, Maharashtra (2019-09 - 2023-07)