Open to backend roles

LUCKY
SEN

Backend developer building secure REST APIs with Java and Spring Boot 3.

Backend developer based in Rewa, Madhya Pradesh, working with Java, Spring Boot 3 and Spring Security. I focus on stateless authentication, role-based access control and clean data layers.

bash — ~/lucky-sen
~/lucky-sen$ whoami
Lucky Sen
~/lucky-sen$ cat role.txt
Backend Developer — Java · Spring Boot 3
~/lucky-sen$ ls ./focus
REST-APIs/ JWT-Auth/ RBAC/ Hibernate-JPA/
~/lucky-sen$
~/lucky-sen$./about

Backend-focused. Detail-driven.

A short introduction.

I'm a Computer Science undergraduate working primarily on the server side of the stack. Most of my time goes into Java and the Spring ecosystem — designing endpoints that behave predictably and keeping authentication layers clean.

My approach is layered: separate the concerns, secure the boundary, then optimize the data path. That's the shape of my main project — a library management API with a custom security filter chain, role-based access control, and centralized exception handling.

Currently deepening my understanding of Spring Boot 3 internals, JPA query optimization and containerized deployment with Docker.

$ locationRewa, MP, India
$ roleBackend Developer
$ stackJava · Spring Boot 3
$ degreeB.Sc. (Hons.) CS
$ graduation2028
$ statusOpen to work
~/lucky-sen$./skills --list

Technical skills

Tools I work with, grouped by where they sit in the stack.

01 Languages

Java Python SQL HTML CSS JavaScript (basics)

02 Frameworks & APIs

Spring Boot 3 Spring Security Hibernate / JPA RESTful APIs Servlets JDBC

03 Databases & tools

MySQL Maven Postman Git GitHub Docker

04 Core concepts

JWT Authentication Role-Based Access Control Inversion of Control OOP
~/lucky-sen$./projects --featured

Featured project

One project, built end to end.

A RESTful backend for managing library inventory and user access.

  • ▸ Built a REST API for library inventory and user management with separate admin and user operations.
  • ▸ Implemented JWT-based authentication with a custom Spring Security filter chain to protect internal endpoints.
  • ▸ Applied role-based access control to manage permissions and admin workflows.
  • ▸ Added centralized exception handling to return consistent HTTP responses across the API.
  • ▸ Integrated Spring Data JPA and Hibernate with MySQL for persistence and query handling.
// request flow
CLIENT
JWT FILTER
SECURITY CHAIN
CONTROLLER
SERVICE
JPA / HIBERNATE
MySQL
Java Spring Boot 3 Spring Security JWT Hibernate / JPA MySQL Maven
~/lucky-sen$cat ./education ./certifications

Education & certifications

Academic background and completed coursework.

// certification

Oracle Cloud Infrastructure AI foundation Associate Certification

Oracle
▸ Focus: Foundational knowledge of Artificial Intelligence and Machine Learning ▸ Status: Completed
// certification

Java Programming Certification

SoloLearn

Completed coursework covering core Java syntax, object-oriented programming principles and data structures.

▸ Focus: OOP · syntax · data structures ▸ Status: Completed
// education

B.Sc. (Hons.) in Computer Science

Awadhesh Pratap Singh University (APSU)

Coursework in Computer Science

▸ Location: Rewa, Madhya Pradesh ▸ Expected graduation: 2028
~/lucky-sen$./contact --init

Get in touch

Open to backend internships and junior Java roles.

iamluckysen@yahoo.com