Full-Stack Developer (React, Laravel, Node.js)

Koushik Dutta

Raiganj, West Bengal 760-***-**** ***************@*****.***

Portfolio: https://cloth-karate-22269700.figma.site/ Professional Summary

Full Stack Developer with 8+ years of experience building scalable SaaS platforms, enterprise admin systems, and workflow-driven web applications using React.js, Laravel, Node.js, PHP, and MySQL. Experienced in GST compliance systems, AI-powered applications, RBAC architecture, dashboard development, and modular backend systems. Strong focus on modern UI/UX, performance optimization, and building business-centric digital solutions. Core Expertise

React.js • Laravel • Node.js • PHP • MySQL • SaaS Platforms • GST Systems • AI Integration • RBAC Systems • Dashboard UI/UX • REST APIs • Workflow Automation

Technical Skills

Frontend: React.js, JavaScript, HTML5, CSS3, Tailwind CSS, Bootstrap, jQuery Backend: Node.js, PHP, Laravel 12, CodeIgniter, Symfony Database & Cloud: MySQL, AWS Lambda, AWS S3

Tools & Practices: Git, REST APIs, RBAC, OOP, Modular Architecture AI & Automation: OpenAI GPT, Speech-to-Text, Text-to-Speech Key Achievements

Built GST Invoice Matching System to automate reconciliation and mismatch detection workflows.

Developed AI-powered English Communication Tutor using OpenAI GPT integration.

Designed reusable Laravel modular architecture and RBAC systems.

Built enterprise admin dashboards and workflow-heavy business applications.

Worked across product-based, SaaS, and service-oriented companies. Featured Projects

GST Invoice Matching System

Developed reconciliation workflows between purchase and supplier invoices.

Implemented mismatch detection for GSTIN, invoice number, taxable values, and taxes.

Built validation dashboards and exception tracking systems.

Tech Stack: React.js, Node.js, MySQL

AI-Powered English Communication Tutor

Built conversational AI learning platform using OpenAI GPT.

Integrated speech-to-text and text-to-speech communication workflows.

Implemented adaptive grammar correction and conversation tracking.

Tech Stack: Laravel, JavaScript, OpenAI APIs

Professional Experience

Adzguru Exports LLP Full Stack Developer Feb 2026 – Present

Built GST invoice matching application for automated reconciliation and compliance workflows.

Developed dashboards, validation systems, and reporting modules.

Tech Stack: React.js, Node.js, JavaScript, MySQL DS42 LTD (United Kingdom) Full Stack Developer (Contractual) Apr 2025 – Jun 2025

Developed enterprise admin panels using React.js and Laravel 12.

Implemented RBAC systems using Spatie Laravel Permission.

Built recursive category systems and reusable modular packages.

Created custom Filament components and dynamic UI workflows. Indus Net Technologies Pvt Ltd Software Engineer Sep 2022 – Sep 2024

Developed responsive pharmaceutical workflow applications using React.js and Node.js.

Managed large-scale MySQL database workflows and AWS Lambda automation.

Led coordination with team members and client requirement discussions. Indus Net Technologies Pvt Ltd Software Engineer Dec 2021 – Jul 2022

Maintained commerce platform using Symfony Framework and MySQL.

Implemented new features and client-requested workflow improvements. Exyte Solution Pvt Ltd PHP Developer Jul 2021 – Dec 2021

Built APIs and collaborated with design teams for product improvements.

Developed demo applications using React.js.

Han River Technology Pvt Ltd Software Engineer Jan 2021 – Jun 2021

Worked on backend systems using CodeIgniter and MySQL.

Contributed to frontend development using React.js. RK Web Solution Software Developer Jan 2018 – Apr 2020

Developed full-stack business applications using PHP and React.js. Muvi Entertainment Pvt Ltd Software Developer Feb 2017 – Sep 2017

Worked on Video-on-Demand platform backend using Yii Framework and MySQL. Education

MCA – KIIT University (2016)

B.Sc in Information Technology – North Bengal University (2012)

Class 12 – Raiganj Coronation High School (2009)

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