Senior Python/PHP Backend & AI Engineer

Senior software engineer and independent consultant with 15+ years of experience, primarily focusing on backend development in Python (Django, FastAPI, Flask) and PHP (Laravel, Drupal). Expertise includes API development and consumption, data pipeline work, and AI integration features such as RAG, LangChain/LangGraph, and vector databases. Possesses strong infrastructure and operations skills (Docker, CI/CD, Kubernetes, Linux) and is comfortable owning projects end-to-end and mentoring. Offers remote-first availability with a reliable 4-hour daily overlap with US business hours. Handles invoicing and tax administration independently. Holds work authorization in the US (SS/EIN) and Spain (NIE). Note: Spanish availability is limited due to DNV limitations of no more than 20% revenue sourced from Spanish companies.