Senior Python Backend Developer

==================================================================================================================== 🐍 Senior Python Backend Developer 🏢 Web Design Sun - Spain | 🌍 Remote WebDesignSun.com is looking for a Senior Python Backend Developer 🚀 to join the Text AI Humanizer project (North America). 💼 Responsibilities — Architect, develop, and maintain a high-load SaaS platform using Python (Django/DRF/FastAPI) — Build and support microservice architecture and the project core — Work with databases (MongoDB, PostgreSQL, MySQL, SQLite) via ORM — Ensure performance, scalability, and reliability — Implement security best practices (anti-leak, anti-DDoS, general security) — Participate in client meetings and present technical solutions 🧠 Requirements — 5+ years of experience with Python, including 3+ in high-load SaaS — Strong skills with Git (GitHub/GitLab), Celery, Docker, CI/CD, AWS, Redis/RabbitMQ — Proficiency in REST API design & documentation (OpenAPI/Swagger) — Experience with testing (pytest), automation, and coverage — Familiarity with monitoring/logging tools (Prometheus, Grafana, ELK/OpenSearch) — English — C1+, Ukrainian/Russian — C1+/Native — Residence outside Russia, Belarus & Ukraine ⭐️ Nice to have React.js/Vue.js, ML/NLP/LLM (scikit-learn, TensorFlow/Keras), OpenAI API, Kubernetes, GCP/Azure, Terraform/Ansible, Tech/Team Leading 🎁 We offer — Fully remote, full-time position — $3000–4000 USD, depending on experience — 20 paid vacation days + 5 sick days + additional days off