Full-Stack Developer & Technical Consultant

I bring your idea to life. From concept to launch, no surprises

Full-stack NodeJS and Python development with cutting-edge technologies and AI to improve quality, reduce time, without inflated prices and with zero surprises.

Simone Costa - Full-Stack Developer
15+ Years Exp.
50+ Projects

Hi, I'm Simone. Nice to meet you.

Technical Partner & Developer

Full-stack developer with over 15 years of experience, I integrate into teams as a technical partner: I combine strategic vision, planning, and development to transform ideas into concrete, productive products.

I work on backend with Node.js and Python, modern frontend with Next.js, and integrate AI for intelligent automation, advanced search, and efficient data management.

I don't just code: I act as project manager, consultant on processes and organization, ensuring technology and goals stay aligned.

Powered by modern robust stack

Python
Next.js
Stripe

Backend for SaaS & APIs

Node.js (Fastify), Python. Authentication (OAuth, JWT), role policies, rate limiting, microservices.

AI-Ready Database

PostgreSQL with pgvector for RAG. Supabase for auth and DB. Complex queries, transactions, performance.

AI Workflows & Automation

RAG, LangChain, AI agents, n8n orchestration. Local models (Ollama), OpenAI API.

Modern & Performant Frontend

Next.js, React, TypeScript. Optimized for SEO and performance.

Payments & API Integrations

Full Stripe (shop, subscriptions, wallet). External API integration.

Containerization & Deployment

Docker, CI/CD. VPS deployment, Ubuntu hardening, automatic SSL.

How I can help you

Technical expertise applied to business growth. No jargon, just results.

Full-Stack Development

Scalable web applications built with Next.js, Python, and Node.js. From MVP to enterprise scale.

AI & Automations

Custom RAG agents, workflow automation (n8n), and AI integration to boost business efficiency.

Technical Consulting

Strategic guidance on architecture, tech stack selection, and process optimization.

Selected Work

Building complex systems, simplifying.

I don't just write code. I solve business problems with scalable, secure, and performant technology.

Ready to build something great?

Whether you need a technical partner for your next big idea or strategic advice to scale, let's discuss how we can achieve your goals.