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rafiq15/README.md

Hi there 👋, I'm Rafiqul Islam

Java Spring Boot Developer

Senior Software Engineer with 9+ years of experience designing, developing, and maintaining scalable backend systems using Java, Spring Boot, and a variety of DevOps and cloud-native tools.

I specialize in building robust, high-performance, and secure backend services. My focus is on writing clean, maintainable code, optimizing system performance, and delivering production-grade solutions that scale. I’m a strong advocate for collaboration, continuous improvement, and automation.

Currently working at BJIT Ltd as a Senior Software Engineer, where I:

  • Design and optimize distributed and fault-tolerant systems
  • Develop microservices and RESTful APIs with Spring Boot
  • Manage containerized environments with Docker and Kubernetes
  • Leverage AWS services like Lambda, CloudSearch, EC2, S3 for cloud integration
  • Work closely with cross-functional teams and mentor junior developers

Technical Skills

  • Languages & Frameworks: Java, Spring Boot, Grails, Laravel, Lumen
  • Frontend Technologies: JSP, JavaScript, jQuery, HTML5, CSS3
  • ORM & Database Access: Hibernate, JPA, Entity Framework
  • API Design: RESTful APIs, GraphQL
  • Messaging & Streaming: Apache Kafka
  • Databases: PostgreSQL, MySQL
  • DevOps & Infrastructure: Docker, Kubernetes, NGINX, Keepalived, Linux-based deployments
  • Cloud Services: AWS Lambda, S3, EC2, CloudSearch, RDS, IAM (and other AWS integrations)
  • Build & Automation: Maven, Gradle, Jenkins, GitLab CI/CD
  • Monitoring & Logging: Prometheus, Grafana, Promtail & Loki
  • Version Control: Git, SVN
  • IDEs & Tools: IntelliJ IDEA, Eclipse, NetBeans

Pinned Loading

  1. health-ai-assistant health-ai-assistant Public

    🏥 AI-powered health assistant using fine-tuned LLaMA 3.2 model with Spring Boot API and beautiful web interface. Provides intelligent medical guidance with proper disclaimers.

    HTML 1

  2. kafka-pub-sub kafka-pub-sub Public

    Real-time Kafka Publisher-Subscriber System with WebSocket Integration

    Java

  3. mcp-server-and-client-with-spring-ai mcp-server-and-client-with-spring-ai Public

    MCP (Model Context Protocol) server and client with Spring AI

    Java

  4. nlq-to-sql-ai-assistant nlq-to-sql-ai-assistant Public

    🤖 AI-powered Business Intelligence Assistant that converts natural language queries to SQL using Ollama/Llama 3.2. Built with Spring Boot, PostgreSQL, and modern web technologies.

    Java

  5. RedisPubSub RedisPubSub Public

    PowerShell

  6. spring-ai-mcp spring-ai-mcp Public

    Spring AI integration with MCP (Model Context Protocol)

    Java