I will build a custom app for your business using google antigravity ai

J
john_john1222
J
john_john1222
John S
Alcune informazioni sono riportate in lingua inglese.
build a custom app for your business using google antigravity ai
Schermo intero
build a custom app for your business using google antigravity ai

Informazioni su questo servizio

Senior Software Engineer | SaaS & POS Systems Architect

I design and architect high performance digital solutions using Clean Architecture, building scalable, secure, and production ready software for startups and enterprises.

Core Expertise

SaaS MVP Development

End to end full stack applications built for speed, scalability, and growth.

POS & Business Systems

Cloud-based inventory, sales, and business management software tailored for modern operations.

Animated & Interactive Web Experiences

Immersive 3D websites and modern web applications built with advanced development tools.

I prioritize engineering excellence, performance optimization, and maintainable code to ensure your product is built to last.


Lets turn your vision into a robust, scalable product.

Contact me for a technical consultation.


  • Tipo di applicazione

    • Applicazione web

  • Framework desktop

    • Electron
    • Windows Presentation Foundation (WPF)
    • JavaFX
    • WinForms
    • GTKSharp
    • Uno Platform
    • Flutter per desktop
    • Ultimate++
    • NW.js

  • Tipo IA

    • Chat
    • Acquisti
    • Prenotazione
    • Ristorante
    • Salute e Benessere
    • Istruzione
    • Spettacolo
    • Finanza
    • Medico
    • Viaggi
    • Lifestyle
    • Streaming
    • News
    • Strumenti di produttività
    • E-commerce
    • Bambini
    • Settore immobiliare
    • Gaming
    • App Wallet

  • Linguaggio di programmazione

    • C
    • C#
    • C++
    • Dart
    • Java
    • JavaScript
    • Swift
    • TypeScript
    • React

  • Framework Web

    • React
    • Angular
    • Django
    • Flask
    • Ruby on Rails
    • ASP.NET

  • Builder no e low-code

    • Lovable
    • Base44
    • Replit

Scopri di più su John S

John S

Got a broken app or a big idea? I fix one and build the other

5,0(9)
  • DaNigeria
  • Membro dalug 2025
  • Tempo di risposta medio1 ora
  • Ultima consegna2 mesi

  • Lingue

    Inglese, Francese, Tedesco, Spagnolo
Hey, I’m John 👋, An Experienced Full Stack Developer, Base44 Expert, and Automation Specialist offering custom web app development, SaaS solutions, API integrations, Shopify integration, QA testing, bug fixing, dashboard development, browser automation, Selenium bots, social media automation, and scalable business systems. I help startups and businesses build high-converting platforms, streamline operations, and launch powerful digital products with clean UX, reliable performance, and professional results. Non technical or advanced, doesn’t matter. Message me and let’s get it working, fast.

Il mio portfolio

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