Python Developer for Hire in Madrid

About

Need a Python developer for your Madrid-based project? I am Kirill Strelnikov, a freelance backend developer specializing in Python, Django, and AI integrations. While I am based in Barcelona, I work remotely with clients across Spain, including Madrid, and have delivered 15+ commercial projects for businesses of all sizes. Whether you need a SaaS platform, an AI-powered chatbot, a REST API for your mobile app, or a custom business automation tool, I can help.

What I Build

• Custom web applications with Django
• REST APIs for mobile and web
• SaaS platforms with multi-tenant architecture
• AI chatbots with OpenAI and LangChain
• Database design and optimization (PostgreSQL)
• Business process automation
• Telegram and WhatsApp bots

My tech stack: Python, Django, Django REST Framework, PostgreSQL, Redis, Celery, Docker, OpenAI API, LangChain, Telegram Bot API, Stripe, FastAPI, Nginx, Git, Linux.

How I Work

1. Free consultation — we discuss your project, requirements, and timeline. I provide a fixed-price estimate within 24 hours.

2. Development — iterative sprints with demos every 1-2 weeks. You see working software early and provide feedback.

3. Launch — deployment, monitoring, documentation. I handle the entire DevOps stack.

4. Support — ongoing maintenance, bug fixes, feature additions. Many clients continue on a retainer.

Learn more: Django Developer Services

Why Work With Me

• Fixed pricing — you know the cost upfront. No hourly surprises.
• Production-tested stack — Django, PostgreSQL, Docker. Proven across 15+ projects.
• Fast communication — Telegram, WhatsApp, email. Average reply under 2 hours.
• Registered in Spain — official autónomo in Barcelona. European invoicing, GDPR-compliant.
• Full ownership — you own 100% of the code. No vendor lock-in.