// React · APIs · Cloud · DevOps

I'm Pari Arul

Java Full Stack Developer | MERN Stack Developer | Trainer

Java Full Stack Developer and MERN Stack Developer with 3+ years of experience in designing, developing, and deploying scalable web applications. Proficient in Java, Spring Boot, React.js, Node.js, Express.js, and MySQL. Experienced in building responsive UIs, RESTful APIs, authentication systems, and managing relational and NoSQL databases.

3+ Years ExperienceSpring Boot + ReactMERN ArchitectCI/CD & VPS Deploy
Full Stack Engineering

// 01. About

Who I Am

Passionate about writing clean, maintainable, and high-performance code across Java and JavaScript ecosystems. Experienced in building responsive user interfaces, developing RESTful APIs, implementing authentication and authorization systems, and managing relational and NoSQL databases end-to-end.

Great full stack engineering is invisible — reliable APIs, resilient databases, and interfaces that just work.

3+EXPERIENCE

Years Shipping Web Apps

Hands-on delivery of production-grade Java Spring Boot and MERN applications across training, enterprise, and workforce management domains.

Spring + ReactSTACK

Java Full Stack

Spring Boot, Spring Security, JWT, React.js, Redux Toolkit, REST APIs, and MySQL — end-to-end enterprise application delivery.

MERNSTACK

MongoDB · Express · React · Node

Full MERN pipelines with NestJS services, Docker containers, Nginx reverse proxies, and Firebase-backed realtime features.

DevOpsDEPLOYS

CI/CD & Cloud Hosting

GitHub Actions pipelines, Docker-based deployments, VPS + Nginx production hosting, and payment gateway integrations.

// Specializations

01Java Full Stack Developer
02MERN Stack Developer
03REST API Engineer
04Spring Security & JWT/OAuth
05DevOps & Cloud Deployment

// 02. Tech Stack

Core Arsenal

Java · Spring BootBackend
93%
React.js / Next.jsFrontend
90%
Node.js · Express · NestJSBackend
88%
MySQL · PostgreSQLDatabase
87%
MongoDB · FirebaseNoSQL
85%
Docker · CI/CD · VPSDevOps
84%

// 03. Portfolio

Recent Work

🏥
Spring BootReactMySQL

Hospital Management System

Role-based hospital platform with patient registration, appointment scheduling, Electronic Medical Records (EMR), Spring Security + JWT auth, dashboards, and optimized MySQL retrieval.

🧹
MERNNestDocker

Cleaning Workforce Management

Workforce attendance and task allocation platform with role-based access, dashboard analytics, employee tracking, and scalable Nest + Next.js architecture.

🎓
JavaTraining

Java Full Stack Training Program

Delivered end-to-end Java Full Stack training at Login360 — Core & Advanced Java, Spring Boot, React.js, MySQL, and industry-level capstone project mentoring.

// 04. Experience

My Journey

SEP 2025 — JUN 2026

Java Full Stack Trainer & Developer

Login360 Technologies

Delivering Java Full Stack training on Core Java, Advanced Java, Spring Boot, React.js, and MySQL. Building real-time apps, designing REST APIs, mentoring students, and shipping authentication systems with Spring Security and JWT.

MAR 2023 — AUG 2025

MERN Stack Developer

Veshcorp Technologies

Built scalable MERN + Java web apps, responsive React/Next.js UIs, secure REST APIs on Node/Express/NestJS/Spring Boot, JWT + OAuth authentication, Dockerized deployments, Nginx-hosted VPS, payment gateway integrations, and GitHub Actions CI/CD pipelines.

2017 — 2021

Bachelor of Engineering (Civil Engineering)

Jerusalem College of Engineering

Foundational engineering education that shaped a systems-thinking approach later channelled into full stack software architecture.