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NITHISH // SOFTWARE_ENGINEER
ReactNext.jsReact Native (Expo)Node.jsTypeScript

I am Nithish Koriyar, Software Developer & Freelancer

About My Engineering Experience

I am a Full Stack Developer with 3.7+ years of professional experience building scalable applications. I focus on bridging robust logic with clean, efficient implementation. I specialize in building cross-platform web and mobile systems, ensuring high performance, clean APIs, and modern architecture.

Scroll to explore journey
Chronology of Scale

ProfessionalJourney

Developing high-performance digital products from foundation to architecture, prioritizing testable structures and scalable engineering systems.

Ordrio Technologies

FRONTEND DEVELOPER • JULY 2025 - JUNE 2026

Enterprise Multi-Tenant SaaS & Mobile Platforms

Worked on a customer-facing Expo React Native application and a multi-tenant SaaS admin dashboard built with Next.js, Tailwind CSS, ShadCN UI, and Redux-Saga. Also contributed through daily PR reviews and product documentation.

Expo React Native Mobile App (iOS & Android)
Next.js Admin Dashboard Panel (Redux-Saga)
Multi-tenant SaaS dashboard
Product Documentation & PR Reviews
Cursor & Claude Code in daily development workflows
Interactive Platform Switcher
Ordrio Admin Panel
Ordrio SaaS Admin Dashboard · Next.js + Redux-Saga

ATOZ Automation Solutions

FULL STACK DEVELOPER • SEPT 2022 - JUNE 2025

Health Systems, eCommerce, & Full Stack Migrations

Built a real-time Health Management Platform using MERN stack and Socket.io with OpenAI API insights. Developed cross-platform Expo React Native eCommerce app for iOS, Android, and Web, migrated legacy PHP video platforms to MERN, and mentored 15+ junior developers.

MERN Web Platform (OpenAI & Socket.io)
Expo React Native eCommerce (iOS, Android, Web)
Legacy PHP to MERN Migration
Twilio SMS Notification Dispatcher
REST API Development & Git Workflows
Mentored 15+ junior developers & freshers
Health Platform
Video Platform
eCommerce App
Selected Work

FeaturedProjects

Grind

Personal Project

PERSONAL • DAILY USE • LIVE

Personal task and time tracking app built to organize daily routines, track progress on expected tasks, and ensure personal work is completed on schedule. Available on Android, iOS, and Web as a PWA.

Tech used
ExpoReact NativeSQLiteExpo NotificationsPWA
Grind preview
Grind preview preview (web)

CYPH·IDE

Personal Project

PERSONAL • DAILY USE • LIVE

An ultra-handy, mobile-first JavaScript IDE designed for quick problem-solving and practicing DSA code snippets on the go with a lightweight, accessible workflow.

Tech used
JavaScriptCodeMirrorPWA
CYPH·IDE preview
CYPH·IDE preview preview (preview)

Health Management Platform

Company Project

MERN • SOCKET.IO • OPENAI API

A production health-management platform with AI-driven insights, real-time updates, SMS notifications, and a responsive Tailwind CSS interface.

Tech used
ReactNode.jsExpress.jsMongoDBSocket.ioOpenAI APITailwind CSSVPS Deployment

Multi-Tenant SaaS Platform

Company Project

NEXT.JS • TAILWIND CSS • SHADCN UI • REDUX-SAGA

A white-label SaaS platform with an Expo React Native customer app and a Next.js admin dashboard for multiple client brands. After promotion, I also contributed backend features in the existing NestJS microservices architecture.

Tech used
Next.jsTypeScriptTailwind CSSShadCN UIRedux-SagaExpo React NativeNestJSPrisma ORMPostgreSQL
Platform views
Platform views preview (panel)

Cross-Platform eCommerce App

Company Project

EXPO • REACT NATIVE • WEB

BuyNbites is a cross-platform eCommerce application built with Expo React Native for Android, iOS, and web. Socket.io supports push notifications, with Node.js, Express, and MongoDB powering the backend.

Tech used
Expo React NativeSocket.ioNode.jsExpress.jsMongoDB
BuyNbites web preview
BuyNbites web preview preview (web)

Video Platform Migration

Company Project

PHP TO MERN • NODE.JS • SOCKET.IO

A legacy video-serving platform migrated from PHP to a Node.js, Express.js, and MongoDB architecture, with Socket.io for real-time video interactions.

Tech used
PHPReactNode.jsExpress.jsMongoDBSocket.io
Technical Matrix

TechnicalExpertise

A breakdown of my engineering capabilities across frontend, backend, databases, real-time sync, and AI integrations.

Navigate Technical Domains

Frontend Engineering

React

Building responsive, reusable user interfaces for web applications.

Next.js

Developing multi-tenant SaaS dashboards and modern web experiences.

TypeScript

Writing clearer, safer application code and API integrations.

Tailwind CSS & ShadCN UI

Creating consistent, responsive interfaces efficiently.

Mobile Development

React Native & Expo

Developing cross-platform customer and eCommerce applications for Android, iOS, and web.

Backend Engineering

Node.js & Express

Building full-stack features and server-side APIs.

REST APIs

Connecting web and mobile apps with backend services.

PHP to MERN Migration

Helped migrate a legacy video-serving platform to a MERN stack.

Databases & Storage

MongoDB

Used in MERN applications and health-management platform work.

MySQL, PostgreSQL & SQLite

Previously used databases; not presented as current core expertise.

Real-Time Systems

Socket.io

Used for real-time updates in a health-management platform and legacy-platform migration.

DevOps & Tooling

Git, GitHub Actions & Vercel

Version control, deployment, and delivery workflows.

Railway, Render & Firebase

Platforms used to deploy and support web and mobile products.

Core Beliefs

EngineeringPhilosophy

The practical habits I follow to build interfaces that are clear, consistent, and easier to maintain.

Architecture

Clear, Maintainable Code

I aim for code that is easy to read, update, and hand over. Clean structure helps a product keep moving after the first release.

Frontend

Reusable UI Components

When patterns repeat, I build shared components so the interface stays consistent and future changes take less effort.

Planning

Blueprint Before Code

Before building, I clarify the user flow, data needs, and edge cases. A small plan prevents avoidable rework.

Clean Code

Practical Structure

I keep UI, API calls, and data handling organized so features are easier to test, change, and extend.

Delivery

Thoughtful Delivery

I focus on the details that make a feature useful: responsive interfaces, reliable behavior, and clear communication during development.

Ownership

Product Mindset

Engineering isn't just about writing code; it's about solving real-world customer problems. I optimize features to deliver true business utility and value.

Evolution of Stack

EngineeringTimeline

A chronological timeline of my technical progression, architectural changes, and platform scope.

2020 - 2022

Diploma in CS&E

Completed a Diploma in Computer Science & Engineering at Vivekananda Polytechnic, Puttur.

PHPJavaScriptHTML5CSS3MySQL
SEP 2022 - JUN 2025

Full Stack Developer — ATOZ Automation Solutions

Built a health-management platform and cross-platform eCommerce application, helped migrate a legacy PHP video-serving platform to MERN, and mentored junior developers.

MERNReact NativeExpoSocket.ioOpenAI API
JUL 2025 - JUN 2026

Frontend Developer — Ordrio Technologies

Worked on an Expo React Native customer app and a multi-tenant SaaS admin dashboard using Next.js, Tailwind CSS, ShadCN UI, and Redux-Saga.

React NativeExpoNext.jsTailwind CSSRedux-Saga
JUL 2025 - JUL 2027

BCA — Ongoing

Pursuing an online Bachelor of Computer Applications at Jain (Deemed-to-be University).

BCAOnlineOngoing