Aman Kumar

Java Backend Developer

Bengaluru, Karnataka 0+ yrs exp 86 · Excellent

About

Java Backend Developer with hands-on experience building backend applications using Java, Spring Boot, Hibernate, and SQL/NoSQL databases. Skilled in designing RESTful APIs, implementing authentication and authorization, developing reliable backend services, and solving programming and data-structure problems. Experienced with JPA/JDBC, Spring Security, JWT, unit/integration testing, Git, and Agile development. Strong foundation in OOP, Collections, multithreading, exception handling, and database fundamentals, with an interest in scalable and high-performance backend systems.

Skills & Expertise (37)

SQL Intermediate

6.4/10

0.25

Years Exp

Java Intermediate

6.4/10

0.25

Years Exp

Spring Boot Intermediate

6.4/10

0.25

Years Exp

Hibernate Intermediate

6.4/10

0.25

Years Exp

JDBC Intermediate

6.4/10

0.25

Years Exp

Spring Data JPA Intermediate

6.4/10

0.25

Years Exp

Git Intermediate

6.4/10

0.25

Years Exp

REST APIs Intermediate

6.4/10

0.25

Years Exp

CRUD Operations Intermediate

6.4/10

0.25

Years Exp

MySql Intermediate

6.4/10

0.25

Years Exp

OOP Intermediate

6.4/10

0.25

Years Exp

code reviews Intermediate

5.4/10

0.25

Years Exp

CSS Intermediate

5.4/10

0.25

Years Exp

Maven Intermediate

5.4/10

0.25

Years Exp

Postman Intermediate

5.4/10

0.25

Years Exp

IntelliJ IDEA Intermediate

5.4/10

0.25

Years Exp

Eclipse Intermediate

5.4/10

0.25

Years Exp

VS Code Intermediate

5.4/10

0.25

Years Exp

Data Structures & Algorithms Intermediate

5.4/10

0.25

Years Exp

Multithreading Intermediate

5.4/10

0.25

Years Exp

Exception Handling Intermediate

5.4/10

0.25

Years Exp

Collections Framework Intermediate

5.4/10

0.25

Years Exp

HTML Intermediate

5.4/10

0.25

Years Exp

SDLC Intermediate

5.4/10

0.25

Years Exp

LINUX Intermediate

5.4/10

0.25

Years Exp

Docker Intermediate

5.4/10

0.25

Years Exp

Microservices Architecture Intermediate

5.4/10

0.25

Years Exp

JWT Authentication Intermediate

5.4/10

0.25

Years Exp

React.js Intermediate

5.4/10

0.25

Years Exp

Spring Security Intermediate

5.4/10

0.25

Years Exp

JavaScript Intermediate

5.4/10

0.25

Years Exp

MongoDb Beginner

4.4/10

0.25

Years Exp

Kubernetes Beginner

4.4/10

0.25

Years Exp

Python Beginner

4.4/10

0.25

Years Exp

Cd fundamentals CloudFormation AWS (S3

Work Experience

Java Developer Intern

Sentrex Consultancy

Apr 2026 - Jul 2026

Developed backend modules using Java, Spring Boot, Hibernate, and MySQL for web-based applications, following Agile practices with regular sprint standups and sprint reviews. Designed and implemented REST APIs for seamless communication between frontend and backend services. Wrote unit and integration tests using JUnit and Mockito to validate service and repository layers, improving code reliability and catching regressions early. Implemented CRUD operations, authentication, and database connectivity using Spring Data JPA and JDBC. Deployed and managed AWS resources using CloudFormation to support consistent, repeatable infrastructure provisioning. Participated in code reviews to maintain code quality, consistency, and adherence to team standards. Managed and processed application data using MySQL while ensuring data consistency and integrity. Used Git, Postman, and IntelliJ IDEA for API testing, version control, and day-to-day development workflows.

Education

B.Tech in Computer Science - Sagar Institute of Science & Technology

2022 - 2026 · Afghanistan

Higher Secondary (12th) - Holy Cross Public School

2020 - 2022 · Afghanistan

Certifications

Java Full Stack

CodeHunt · 2025

Java Programming Fundamentals

Infosys Springboard · 2024

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Profile Score Breakdown

📷 Photo 10/10

📄 Resume 10/10

💼 Job Title 10/10

✍️ Bio 10/10

🛠️ Skills 20/20

🎓 Education 10/10

⏱️ Experience 6/15

💰 Rate 0/5

🏆 Certs 5/5

✅ Verified 5/5

Total Score 86/100

Profile Overview

Member sinceSep 2026

Skills (37)

Click a skill to find developers with the same skill

SQL Java Spring Boot Hibernate JDBC Spring Data JPA Git REST APIs CRUD Operations MySql +27 more

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