Legacy System Modernization - Next.js, MERN, or .NET Core by Jack KollarLegacy System Modernization - Next.js, MERN, or .NET Core by Jack Kollar

Legacy System Modernization - Next.js, MERN, or .NET CoreJack Kollar

Cover image for Legacy System Modernization - Next.js, MERN, or .NET Core

Upgrade outdated systems to modern stacks like Next.js, MERN, or .NET Core. Improve performance, maintainability, and scalability while preserving core business logic and minimizing downtime.

👉 Converts well with established companies.

Example work

🎓 FSC Professor Ratings Scraper

Blue Venture (Startup SaaS Platform

Jack's other services

Cover image for 📊 Data Dashboard & Internal Automation MVP Development

📊 Data Dashboard & Internal Automation MVP Development$75 /hr

Cover image for Subscription-Based SaaS MVP - Full Stack React/Node/Express

Subscription-Based SaaS MVP - Full Stack React/Node/Express$75 /hr

Starting at$75 /hr

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Tags

AWS

JavaScript

Next.js

Node.js

React

Backend Engineer

Dot Net Backend Developer

Fullstack Engineer

Software Engineer