BACKEND DEVELOPER

Back-End: Python (OOP, Async, Multithreading, Multiprocessing),
Django (DRF), Flask, FastAPI, Microservices & Monolithic
Architectures, Elasticsearch, Celery, Redis, RabbitMQ
(Asynchronous Task Processing), Web Scraping & Automation.

Database: PostgreSQL (advanced queries, indexing, optimization,
partitioning), MongoDB, MySQL (transactions, triggers, stored
procedures), Redis (caching, pub/sub, persistence strategies),
Elasticsearch (full-text search, indexing, query optimization),
Database Sharding & Replication, ORM Optimization (Django
ORM, SQLAlchemy), Data Migration & Backup Strategies.

Tests: Unit Testing (unittest, pytest), TDD, BDD, E2E, Mocking &
Patching, CI/CD Test Automation.

Front-End: JavaScript, Ajax, jQuery, Vue.js (experienced), HTML,
CSS, Bootstrap, WebSockets, SSR (Server-Side Rendering).

DevOps: Docker (full configuration, multi-stage builds, Compose,
Swarm), Kubernetes (basic), Linux (shell scripting, server
administration), Nginx & Gunicorn (reverse proxy & deployment),
CI/CD pipelines (GitHub Actions, Bitbucket Pipelines), Logging &
Monitoring (Prometheus, Grafana), Cloud Deployment
(DigitalOcean, AWS, Heroku), PostgreSQL & Redis performance
tuning, Load Balancing & High Availability strategies.