Naveen Shaw

Java Backend Developer

Talent

BengaluruMember since May 23, 2026

JavaC++DartSQLSpring BootMicroservicesREST APIsIBM MQKafkaPostgreSQLFlutterJWTJPAGitSTSAgileWaterfallServer-Sent EventsJavaMailSenderBloc/CubitFeignClientAPI GatewayEureka Service Registry

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JavaC++DartSQLSpring Boot

About

Results-driven Java Backend Developer specializing in Spring Boot microservices, REST APIs, JWT security, Kafka, IBM MQ, JPA, and PostgreSQL, with a GCP ACE certification and strong problem-solving and debugging skills. Experienced in Agile and Waterfall methodologies with additional hands-on exposure to cross-platform mobile development using Flutter and Dart.

Experience

Software Engineering - Persistent Systems - Kolkata, India

(2023-09)

Designed and developed scalable backend services using Java and Spring Boot, implementing RESTful APIs for seamless integration with frontend systems.
Implemented JWT-based authentication and security measures, ensuring secure communication and compliance with industry standards.
Integrated Apache Kafka and Server-Sent Events (SSE) for real-time notification delivery, ensuring low-latency updates across connected clients.
Automated email notifications using JavaMailSender, eliminating manual communication efforts and improving operational efficiency.
Developed cross-platform Flutter app with reusable UI components, REST API integration, and Bloc/Cubit state management, maintaining 90%+ test coverage across unit and widget tests.

Dev-Test-Support Digital Banking - CLS Bank

(2026-02)

Secured TradeAPI endpoints using JWT Spring Security, processed message queues via IBM MQ, resolved high and low priority bugs, and maintained 95%+ JUnit test coverage.

Java, Spring Boot - MasterSOW-UHG-ProjectETSE-EER-HLS-Offshore-PSL

(2025-02 - 2026-01)

Built full-stack microservices applications using Spring Boot and React, leveraging Kafka (event streaming), SSE (real-time notifications), FeignClient (inter-service communication), API Gateway (centralization load balancing), Eureka Service Registry (service discovery), JWT Spring Security (endpoint protection), JavaMailSender (automated emails), and handled exceptions globally.

App Development - Zebra One

(2024-03 - 2025-01)

Managed app state using Bloc/Cubit, resolved critical bugs, Integrated REST APIs and maintained 90%+ unit and widget test coverage for a stable production release.