I will build a full stack web application

R
roman_zaichenk0
R
roman_zaichenk0
Roman Zaichenko
build a full stack web application
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build a full stack web application

About this gig

Looking for a reliable Full-Stack Engineer to turn your idea into a fast, scalable, and production-ready web application?


I specialize in building custom, end-to-end web solutions using the modern TypeScript ecosystem. Unlike developers who rely on rigid templates, I architect clean, maintainable code tailored to your exact business logic.


What I Deliver: - Modern, responsive Frontend built with React, Next.js (App Router), and Tailwind CSS. - Robust Backend architecture using Node.js, REST APIs, and strict TypeScript. - Scalable Database design with PostgreSQL, Prisma ORM, or Firebase. - Secure Authentication (Auth.js / NextAuth, OAuth, role-based access). - Clean, modular architecture and deployment to Vercel, AWS, or VPS.


Why Choose Me? - Full product ownership from database schema to polished UI. - High performance, SEO-friendly structure, and clean code standards. - Clear communication and regular progress updates.


Please message me before placing an order so we can discuss your project requirements and choose the best tech approach!

  • Programming language

    • TypeScript

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Performance
    • Security
    • Databases

  • Frontend framework

    • jQuery
    • Next.js
    • React.js
    • Tailwind CSS

  • Backend framework

    • Django
    • FastAPI
    • Next.js
    • Node.js
    • .NET Framework

  • AI & low/no code builders

    • Claude

Get to know Roman Zaichenko

Roman Zaichenko
  • FromUkraine
  • Member sinceDec 2023

  • Languages

    English, Ukrainian, Russian
I help startups and businesses build fast, scalable, and AI-powered web applications from scratch - turning complex product requirements into clean, production-ready software. With a strong Software Engineering background, I specialize in the modern TypeScript ecosystem. I am equally comfortable architecting high-performance frontend interfaces in React and Next.js as I am designing robust backend services, database schemas, and multi-runtime architectures.

My Portfolio

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