Achievements:- Increased system speed by over 200% through software upgrades (Python, PHP)- Implemented Docker Compose development infrastructure for approximately 30 services, encompassing critical components such as HashiCorp Vault, Elastic/OpenSearch, Kafka, relational databases, backend and frontend applications, resulting in a remarkable reduction of developer onboarding time from hours to just 10 minutes- Developed and maintained an API and server daemon to support WireGuard VPN, serving a network of over 4,000 servers and catering to more than 1 million monthly clients. Achieved an impressive response time under 100ms- Managed migration of 8000 customers (self-hosted WHMCS to Zuora) - Created and supported go services to support VPN infrastructure- Successfully integrated AWS Cognito into self-managed services and proxy for 3rd party services, serving a user base of over 200,000 active customers, resulting in the decommissioning of a previously used Redis cluster and achieving cost saving, improved scalability and enhanced security

As a freelancer, I have had the privilege of working on a diverse array of projects involving Python, PHP, Go, NodeJs. The project list includes developing dashboards for Internet Service Providers, crafting sophisticated affiliate marketing systems, building robust parsing solutions, and contributing to various social media platforms and other innovative startup ventures. I take pride in my ability to deliver solutions that meet the unique needs of each project, ensuring client satisfaction and project success.

Developing new and support existed features written on node, php and also frontend partAchievements:- Reduced codebase by ~50% by identifying and removing dead code, resulting in improved code maintainability and reduced complexity- Reduced dead code by 30% through comprehensive cleaning of Node.js API project and MongoDB storage- Successfully led a team of 4 developers, resulting in timely delivery of milestones- Implemented an automation dashboard, reducing support tasks for the development department to nearly 0%- Achieved 40% code coverage with Jest test suite, enhancing the reliability and stability of the Node.js API- Successfully authored comprehensive project documentation, facilitating the acquisition process and ensuring a smooth transition for the acquiring company- Ensured seamless billing and payment processing for customers, contributing to customer satisfaction and revenue growth

As a Full Stack and Mobile Software Developer at Skolkovo University, I played a pivotal role in supporting research experiments centered around game theory. My job involved a wide range of activities, including:- System Development: I designed, developed, and maintained a software system that served as the foundation for conducting experiments in game theory. This system was critical for capturing and analyzing data related to these experiments.- Full Stack Expertise: I leveraged my full stack development skills to create both the backend and frontend components of the system. This encompassed database design, server-side logic, and the user interface.- Mobile Integration: I extended the system's capabilities by developing mobile application that facilitated data collection and participant interaction, enhancing the overall user experience.- Data Management: I implemented data storage and retrieval mechanisms, ensuring that the experimental data was securely captured, stored, and made readily available for analysis.- Collaboration: I actively collaborated with researchers and other team members, translating their requirements into software solutions and continuously improving the system based on their feedback.My role at Skolkovo University allowed me to combine my technical skills with a deep understanding of the research objectives in the field of game theory. I am proud to have contributed to the success of these experiments by developing a robust and versatile software system that met the university's research needs.

In my first role as a Full Stack Software Developer at BelVG, I gained valuable experience in working with a diverse technology stack, primarily focusing on PHP, MySQL, and Frontend technologies such as JavaScript and CSS.My experience at BelVG allowed me to hone my skills as a Full Stack Software Developer and develop a deep understanding of the full software development lifecycle. I had the opportunity to work on a variety of projects and have got experience working as team player.

In my role as a Software Developer at RusWizards, although brief, I gained valuable experience working with a technology stack that included C#/.NET for backend development and frontend technologies.