Alina Kitieva Email & Phone Number

• Led the migration of a legacy monolithic application built on C# and Oracle with plain JavaScript to a scalable architecture using Python backend services, React frontend, and PostgreSQL database• Designed and implemented a scalable API system using Flask and FastAPI for smooth interaction between services• Transitioned from Oracle to PostgreSQL, reducing database operational costs by 30% while optimizing queries for faster execution times• Refactored a legacy monolithic application into microservices architecture, enhancing application scalability by 30% and cutting server expenses by 20%• Optimized database queries and indexing in PostgreSQL, reducing query execution times by 60%• Developed comprehensive test suites using Pytest, improving code coverage from 60% to 95%• Mentored and trained 3 junior developers, improving team efficiency and code quality, resulting in a 20% reduction in development time

• Designed RESTful APIs to integrate the RAG service with the existing application, maintaining backward compatibility and minimizing disruptions during deployment• Utilized FastAPI for a robust and scalable backend, integrated LangChain for seamless LLM orchestration, and employed LlamaIndex for efficient document indexing and retrieval• Expanded the application’s functionality by providing dynamic and context-aware responses, improving user satisfaction and engagement metrics by 25%• Developed a caching solution with Redis, reducing API response times by 45%.• Implemented robust authentication and authorization mechanisms with OAuth2 and JWT, enhancing system security• Acted as the primary liaison between technical and non-technical stakeholders, ensuring project alignment with business goals

Master'S Degree, Applied Mathematics And Informatics

Doctor Of Medicine - Md, Medicine