Naveen Shaw

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.

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.

Bachelor of Technology - CSE - TECHNO INTERNATIONAL NEW TOWN (2019 - 2023) Kolkata, India

Class XII - NATIONAL HIGH SCHOOL (2017 - 2019) Kolkata, India