🔑 Key responsibilities:- Maintained 2 Django sites on a daily basis — providing new features, bug fixes, and optimizations.- Communicated with clients to understand their business needs and gather requirements.- Coordinated the development of new features from design to release.- Performed code reviews to ensure code quality and maintainability.- Analyzed client feedback to propose improvements and resolve issues.- Monitored production applications to identify and eliminate performance bottlenecks.🎯 Selected achievements:- Built a Django application for automatic content translation, reducing costs by 74%through HTML preprocessing and reusing previously translated parts.- Migrated a large legacy project (60k+ lines of code) from Python 2.7 / Django 1.4 toPython 3.9 / Django 2.2, resulting in a more efficient and maintainable codebase.- Developed a scalable system (Django, Celery) for mass sending of requests to an external API,capable of sending millions of requests per day.- Created and maintained 5 internal Python packages used in various projects, enablingquick and cost-effective implementation of common functionalities.- Integrated multiple 3rd party APIs (e.g. Stripe, PayPal, Google Translation API, Google Search Console API).- Implemented internal tools for importing, processing, and exporting data.- Improved 6 projects by introducing a modern toolchain (Ruff, pre-commit) and automatingcommon tasks, leading to better developer experience, increased productivity, and more consistent code.- Optimized Docker Compose configurations for both local and production environmentsusing best practices (e.g. multi-stage builds, proper layer caching, health checks).