I will build a full stack web app, saas application or ai web app

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appdevlab
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appdevlab
Nikita G

About this gig

Looking for a reliable full stack developer to build a modern web app, SaaS application, or AI web app?


I build custom, secure, responsive, and scalable full stack web applications tailored to your business, startup, or product ideafrom frontend and backend to APIs, database, authentication, and deployment.


What I can build:


  • Custom web applications & SaaS platforms
  • Startup MVPs & AI-powered web apps
  • Admin dashboards & client portals
  • CRM, booking & management systems
  • REST APIs & third-party API integration
  • Authentication, user roles & payments
  • AI chatbots, AI agents, RAG & LLM integration
  • Database-driven applications


Tech stack: React, Next.js, TypeScript, Node.js, Express, Python, FastAPI, MongoDB, PostgreSQL, MySQL, Firebase, Supabase, Tailwind CSS & AWS.


Why work with me?


  • Clean, maintainable & production-ready code
  • Responsive modern UI
  • Scalable backend architecture
  • Clear communication & milestone updates
  • On-time delivery & post-delivery support


Have an idea? Message me before ordering and let's discuss the right solution for your project.

Get to know Nikita G

Nikita G

Turning Ideas into High Performance Apps and Websites

  • FromGermany
  • Member sinceJul 2026
  • Avg. response time1 hour
  • Languages

    German, English, Spanish, French, Italian
I help startups, businesses, and entrepreneurs turn ideas into high-performance mobile apps and custom websites that are built to scale. Specialising in Flutter, I develop responsive Android and iOS apps with clean architecture, intuitive UI, Firebase, API integration, and reliable performance. I also create modern, conversion-focused websites tailored to your business goals. My focus is on quality, clear communication, and delivering solutions that are secure, user-friendly, and built for long-term growth.

My Portfolio