Senior Python/PHP Software Engineer & Consultant

Senior software engineer and independent consultant with 15+ years of experience, specializing in backend development with Python (Django, FastAPI, Flask) and PHP (Laravel, Drupal). Proficient in API development, data pipelines, and AI integration (RAG, LangChain/LangGraph, vector DBs). Strong infrastructure and operations skills (Docker, CI/CD, Kubernetes, Linux). Comfortable owning projects end-to-end and mentoring. Remote-first, with a reliable 4-hour daily overlap with US business hours. Handles invoicing/tax admin. Work authorization in 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.