Available for freelance & full-time

Full-stack systems, from interface to infrastructure.

Full-stack development and automation engineering in Budapest. Production web apps, APIs, AI workflows, payments, and the self-hosted infrastructure they run on, designed, deployed, and maintained end to end.

Python · FastAPI Node.js · REST AI agents & automation Self-hosted infrastructure
Live production systems live
smartraderbot.comSaaS platform
vpn.szosyan.comVPN dashboard
Smart Trader Botsignal channel
Headlix-backendnews scraping
WatchVFS_BOTVFS auto-booking
One Windows VPS · NSSM · Caddy · TLS. Self-hosted and maintained.

15+
Years in software
7+
Self-hosted services
2
Products on the MQL5 market
End-to-end
Architecture → deployment → operations

Selected work

Built for production,
not presentation.

Live systems spanning SaaS, automation, AI, payments, data pipelines, and financial software. Every link goes to a running product.

Humanitarian · Payments

IranAid Relief

A bilingual (EN/FA) donation platform with Stripe Payment Element, automated Nodemailer receipts, and Caddy routing. Deployed and maintained as a self-hosted service.

Node.jsStripeEN/FA
Automation · AI agents

Automation pipelines

n8n workflows and Telegram bots that run unattended: VFS visa-slot auto-booking behind Turnstile, and a fully automated video generator and publisher that produces and posts on its own.

n8nSeleniumLLM
Engineering stack

The tools behind the systems.

Backend & APIs

PythonFastAPIFlaskNode.jsExpressREST APIsWebSocketsStripeSMTP / Nodemailer

Frontend & Web

JavaScriptHTML / CSSResponsive UIFirebaseFirestoreWordPressE-commerce

AI & Automation

LLM / AI agentsn8nPlaywrightSeleniumData pipelinesWeb scraping

Data & Infrastructure

MySQLSQL ServerMQL5 · MT5Windows VPSCaddyNSSMCloudflareDNS
Infrastructure

Simple infrastructure.
Full operational control.

Production services are self-hosted on a single Windows VPS, managed as persistent services under NSSM behind one Caddy reverse proxy with TLS. Application hosting, APIs, automation workers, and data pipelines, all in one place.

Experience

Built across software,
finance, and quantitative work.

Since 2020

Full-Stack Developer & Market Analyst

Smart Trader · Budapest

Designed, built and maintained the company's website and SaaS trading platform end to end. Python for market-data collection, back-testing and automated reporting, wired to live terminals via webhooks and APIs. Everything self-hosted and running unattended.

Since 2008

Independent Developer & Consultant

Freelance · Budapest

Custom software and automation for real business workflows: accounting and inventory systems, a bilingual donation platform, and AI and workflow-automation tools. Delivered across the full lifecycle, from architecture and code to payments, DNS, deployment, and maintenance. Also teaching university-level programming, maths, and physics in English.

2017–2019

Financial & Administrative Consultant

ABS Petroleum · Kazan

Built financial reporting and data tools for budgeting, cash-flow and management reporting in a multi-currency, international environment.

2012–2017

Founder & Developer

Tetris Travel Kft · Budapest

Wrote a custom Python accounting system for bookings, invoices and multi-currency cash flow, and ran daily operations with international clients and suppliers.

Foundations

M.Sc. Geophysics · B.Sc. Geology

ELTE University, Budapest · University of Tabriz

A quantitative, science-led background that shaped an engineering approach built on analytical thinking, reliability, and structured problem-solving. English fluent, Farsi native, Hungarian basic.

Contact

Need a system that
actually ships?

Full-stack product development covering frontend, backend, automation, payments, deployment, and infrastructure. Available for freelance and full-time work.

© 2026 Parham Roshani · Budapest, Hungary Full-Stack Developer · AI Agent & Automation · Python / FastAPI