I will build custom ai agents full stack apps using replit agent

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Karoly Nyisztor

About this gig

What I can build for you:

  • AI Agents: Custom LLM-powered bots that handle tasks, analyze data, or interact with users.
  • Backend Automation: Python-based scripts that automate your business workflows.
  • Full-Stack Replit Apps: Flask/FastAPI backends with modern React/Tailwind frontends.
  • Database Integration: Seamless PostgreSQL setup within the Replit environment.


Bring your most complex ideas to life with the power of Replit Agent and expert AI orchestration.


Do you need an application that doesn't just look good but "thinks" and "acts"? I specialize in building autonomous agents, automation workflows, and full-stack applications using Replit Agent. Unlike simple UI builders, Replit allows for deep backend logic, complex database management, and 24/7 cloud hosting.


I use Replit Agent to rapidly prototype the logic, then manually refine the code to ensure security, efficiency, and scalability. You get a "Repl" that is live and ready to use immediately.


Why hire me?

  • Deployment Ready: Your app is hosted and live on Replit before I deliver.
  • Logic Expert: I handle the "hard" stuffAPIs, Webhooks, and Data Processing.
  • Post-Delivery Support


Lets build something intelligent.

Get to know Karoly Nyisztor

Karoly Nyisztor

Values and problem solving

  • FromColombia
  • Member sinceMar 2025
  • Avg. response time1 hour
  • Languages

    English, Spanish
A developer of several successful iOS apps featured by Apple as 'New and Noteworthy' and 'Best Travel Apps,' Karoly is deeply passionate about teaching and aims to inspire students to discover hidden talents and explore the world of startups and programming.

My Portfolio