ZEESHAN ALAM KHAN

fastapi-crud-mysql

April 14, 2026 – Present

The system follows a layered architecture where incoming requests pass through middleware layers first—correlation middleware establishes a traceable request context, followed by logging middleware which logs all requests with correlation IDs. Authentication is handled using a dependency-based interceptor for JWT validation.

spring-ai-rag-local

January 28, 2026 – Present

This project demonstrates a Retrieval-Augmented Generation (RAG) system built using Spring Boot + Spring AI + Ollama, designed to answer questions from a local Java interview Q&A PDF.

flight-booking-system

February 17, 2020 – February 19, 2020

The Flight Ticket Booking (FTB) provides a solution for online flight ticket booking. It will have functionalities like schedule flights, search flight, book flight for customers, and verify flight ticket. The system should be convenient and user-friendly.

spring-boot-jpa-h2-crud

December 3, 2019 – December 4, 2019

spring-boot-jpa-h2-crud — GitHub repository

spring-boot-data-jpa-one-to-one-join

November 11, 2019 – November 11, 2019

Establishing OneToOne mapping between two entities and fetching custom data from Two tables using JOIN

spring-boot-file-upload-download-rest-api-example

May 16, 2019 – May 18, 2019

spring-boot-file-upload-download-rest-api-example — GitHub repository

spring-boot-multiple-datasource

April 17, 2019 – April 17, 2019

explore the configurations to set up multiple data sources with Spring Boot, using Spring Data JPA system with multiple databases.

spring-boot-oracle-rest-example

February 3, 2019 – May 2, 2019

spring-boot-oracle-rest-example — GitHub repository

jpa-demo-with-spring-boot

November 27, 2018 – February 28, 2019

jpa-demo-with-spring-boot — GitHub repository

spring-boot-email-freemarker

November 15, 2018 – November 15, 2018

Sending email using Spring boot and Freemarker