Available for freelance projects

Full-Stack Developer
Building Scalable Web Applications & APIs

I help startups and businesses build fast, reliable, and scalable software.

About Me

Based in Greece

I'm a full-stack software engineer who helps startups and businesses build scalable, reliable web platforms and APIs. With expertise spanning modern frontend frameworks and robust backend systems, I focus on creating solutions that not only work today but scale for tomorrow.

My approach goes beyond just writing code. I prioritize clean architecture, performance optimization, and maintainability to ensure your product can grow alongside your business. Whether you're launching an MVP or scaling an existing platform, I bring production-ready solutions built on proven technologies.

From designing secure REST APIs to crafting modern React interfaces, I bridge the gap between technical excellence and business outcomes. Let's build something that lasts.

Services

Comprehensive full-stack development services to bring your ideas to life

Full-Stack Web Application Development

Custom web platforms built with React and Node.js. End-to-end solutions tailored to your business needs.

API Development & Backend Systems

Secure and scalable backend services. REST APIs, authentication systems, and database architecture.

Startup MVP Development

Building the first version of your startup product quickly and efficiently. Get to market faster without sacrificing quality.

DevOps & Deployment

Dockerized applications, Linux server configuration, and CI/CD pipelines for reliable deployments.

Performance Optimization

Improving speed and scalability of existing applications. Comprehensive audits and optimizations.

Featured Projects

Recent work showcasing full-stack development and system architecture

Authentication Platform

Secure authentication backend handling machine tokens, refresh tokens, and access tokens for multiple applications. Built with industry-standard security practices.

Node.js
Express
MongoDB
JWT

Handles 10k+ daily auth requests

Task Management Platform

Full-stack project and task management system with projects, groups, tasks, and subtasks. Complete with real-time updates and collaborative features.

React
Redux Toolkit
Node.js
PostgreSQL

Improved team productivity by 40%

Developer Dashboard

Modern analytics dashboard with advanced state management and API integrations. Real-time data visualization and performance metrics.

React
TypeScript
Redux Toolkit
Vite

Processes 100k+ data points/day

Tech Stack

Modern technologies and tools I use to build reliable solutions

Frontend

  • React.js
  • Next.js
  • TypeScript
  • Redux Toolkit
  • HTML/CSS/SCSS
  • Styled Components
  • Vite

Backend

  • Node.js
  • Express.js
  • REST APIs
  • Authentication
  • Token Security

Database

  • MongoDB
  • MySQL
  • PostgreSQL

DevOps

  • Docker
  • Linux Servers
  • Git
  • CI/CD
  • Cloud Deployments

Why Work With Me

Delivering excellence through proven principles and practices

Clean and Maintainable Code

Following best practices and industry standards to ensure your codebase stays manageable as it grows.

Focus on Scalability

Architecture designed to handle growth. Built to scale from MVP to enterprise.

Production-Ready Architecture

Every project is built with production in mind. Security, performance, and reliability from day one.

Strong Backend and Frontend Expertise

Full-stack capabilities mean seamless integration between your frontend and backend systems.

Have a Project in Mind?

Let's discuss how I can help bring your ideas to life

Get in Touch

Whether you're looking to build a new product, scale an existing platform, or need technical consultation, I'm here to help.

© 2026 Gregoris Bachtsevanos. All rights reserved.