About Me

Who I Am

Java Backend Developer

I am a passionate Java Backend Developer with hands-on experience in building secure and scalable web applications using Spring Boot, Spring Security, REST APIs, MySQL, Docker and AWS. I enjoy solving backend problems, designing APIs, and developing enterprise-grade applications.

Backend Development

Spring Boot, REST APIs, Hibernate

Cloud

AWS • Docker • Deployment

Networking Enthusiast

Besides software development, I have completed multiple Cisco Networking Academy courses and enjoy designing enterprise networks using Cisco Packet Tracer. I have practical knowledge of routing, switching, IPv4/IPv6 addressing, subnetting, DNS, DHCP, NAT and network troubleshooting.

Networking

TCP/IP • Routing • Switching

Cisco

Packet Tracer • Troubleshooting

Experience

My Journey

Java Backend Developer Intern

Shop Online New York

April 2025 – October 2025
  • Built secure REST APIs using Spring Boot & Spring Security.
  • Optimized database performance using Spring Data JPA.
  • Worked with Docker and AWS deployment.
  • Collaborated in Agile teams using Git & GitHub.

Web Developer Intern

Indian Oil Corporation Limited (IOCL)

December 2024 – January 2025
  • Developed a secure Role-Based Access Control (RBAC) system.
  • Built responsive web interfaces using HTML & CSS.
  • Worked within an enterprise IT environment.

Featured Projects

What I've Built
Flight Booking Platform

Full-Stack Flight Booking Platform

A scalable airline booking system built with Spring Boot, React and AWS. It includes JWT authentication, OAuth 2.0, WebSocket seat updates, Razorpay payment integration and cloud deployment.

Java Spring Boot React JWT OAuth 2.0 WebSocket AWS Docker MySQL
Source Code Live Demo
SpringAI

SpringAI Model Comparator

AI benchmarking platform comparing Llama 3 and DeepSeek-Coder using Spring Boot, React and Ollama for local inference.

Spring Boot React Ollama Llama 3 DeepSeek
Source Code
Networking

Cisco Networking Labs

A collection of Cisco Packet Tracer labs covering enterprise networking, routing, switching, IPv4/IPv6 addressing, subnetting, NAT, DNS, DHCP, SSH and troubleshooting.

Cisco Packet Tracer IPv4 IPv6 Routing Switching
View Repository

Networking Skills

Cisco Packet Tracer Labs

Enterprise Networks

Configured routers and switches using Cisco IOS CLI.

Routing & Switching

Static Routing, VLANs, Switching Fundamentals, Gateway Configuration.

IPv4 & IPv6

Addressing, Subnetting, VLSM, Neighbor Discovery.

Network Security

SSH, Telnet, Secure Remote Management, Basic Troubleshooting.

Network Services

DNS, DHCP, NAT, TCP/UDP, ICMP, ARP.

Troubleshooting

Ping, Gateway Verification, Connectivity Diagnostics, Packet Flow Analysis.

Cisco Certifications

Networking Academy

Networking Basics

Cisco Networking Academy

2026

Networking Devices & Initial Configuration

Cisco Networking Academy

2026

Network Addressing & Basic Troubleshooting

Cisco Networking Academy

2026

Getting Started with Cisco Packet Tracer

Cisco Networking Academy

2026

Scaling IP Addressing

Module Achievement

2026

Basic Cisco Configuration

Module Achievement

2026

Technical Skills

Technologies I Work With

Backend Development

Java Spring Boot Spring Security Spring Data JPA Hibernate REST APIs Microservices

Frontend

React HTML CSS JavaScript

Databases

MySQL JPA/Hibernate

Cloud & DevOps

AWS Docker

Networking

TCP/IP OSI Model IPv4 IPv6 Subnetting Routing Switching DNS DHCP NAT ARP ICMP

Tools

Git GitHub Postman Swagger Ollama Cisco Packet Tracer

Education

Academic Background

B.Tech in Computer Science & Engineering

Central Institute of Technology, Kokrajhar

Graduated in 2026

Get In Touch

Let's Connect

Let's Build Something Great Together 🚀

I'm currently looking for opportunities in Java Backend Development, Software Engineering, and Network Support. Feel free to contact me anytime.

basumatarydahal2@gmail.com
+91 9864958388
Kokrajhar, Assam, India