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- Experienced in the role of a team leader, managing multiple projects simultaneously, overseeing development progress, resolving issues, and coordinating with team members effectively. - Implemented and integrated PayPal payment system for handling customer transactions and automatic distribution of funds to challenge winners' PayPal accounts; - Collaborated with a team to refactor and rewrite legacy code in a project, incorporating new technologies and handling tasks like planning and designing complex application architectures. - Developed various synchronous and asynchronous parsers; - Optimized both frontend and backend sides for improved performance; - Proficiently utilized Django framework for building large-scale applications with high traffic, complex architectures, and extensive data volumes. Also, proficient in working with Flask for microservices or FastAPI; - Contributed to developing sophisticated web and mobile applications across different domains; - Utilized React Flux and Redux architecture. Familiar with various React concepts, including Components, Forms, Events, Keys, Routers, Redux, Animations, and Flux; - Created Custom Reusable React Components Library for efficient development; - Bootstrap or Material-UI CSS frameworks and UI tools were used to streamline code, accelerate development, and ensure application responsiveness; - Adhered to the DRY principle for mid/large scale applications, utilizing SCSS or the styled-components library to maintain clean code and avoid repetitions; - Extensive experience with Docker, Keycloak, and microservices architecture. Worked with Heroku, AWS, and its services such as RDS, EC2, and S3. Familiar with Nginx, WebPack, YAML files for CD/CD systems, and AWS services like ElasticSearch, IAM, Lambda, and Route53; - Experience working with MS SSAS and writing MDX queries; - Proficiently designed and created comprehensive database schema diagrams, providing visual representations of intricate data structures. Ensured the clarity and efficiency of database architecture by utilizing tools to model relationships, constraints, and entities, contributing to seamless data management within the applications.

- Writing and maintaining Python code: Developing clean, efficient, and scalable Python code for various applications and projects; - Participating in the development life cycle: Collaborating with the development team in all stages of the software development life cycle, from planning to deployment; - Bug fixing and debugging: Identifying and resolving bugs and issues in the code to ensure smooth functionality; - Learning and adapting: Continuously learning and adapting to new technologies, tools, and best practices in Python development; - Implementing software solutions: Translating requirements into practical software solutions using Python; - Working with databases: Integrating and interacting with databases using Python, and handling data operations efficiently; - Documentation: Creating and maintaining technical documentation for code, processes, and projects.