I build and maintain multi-tenant SaaS platforms with PHP & Symfony — from domain-rich data models to the reporting, integrations and AI tooling layered on top.
I'm a senior backend engineer with 5+ years' experience building reliable, well-modelled systems for complex business domains. My day-to-day is a large multi-tenant commodity-trading platform built on PHP 8.5, Symfony 7 and Doctrine ORM, where I work across domain modelling, reporting, database views and integrations.
I care about domain-driven design, clean vertical-slice architecture, and code that's boring in the best way — simple, testable and self-documenting.
A real-time multi-asset dashboard from public keyless APIs — a crypto portfolio (CoinGecko), live FX rates with a 30-day trend (ECB/Frankfurter), and gold/silver spot. Hand-drawn SVG charts, CVD-safe palette, editable holdings; fully client-side.
An in-app AI agent that answers business questions over live tenant data using queryable database views and a curated tool set.
A reporting layer built on encapsulated SQL views — commercial position lists, stock and contract-planning quantities across tenants.
A PHP client library for the Qbil trading API — typed request/response models and helpers for integrating with the platform.
Sample applications demonstrating how to consume the API — practical, copy-ready integration examples.