* Developed a cloud-native message bus, ensuring high scalability and performance across distributed systems.Improved system throughput by 30%, reducing latency in message processing by 25%.* Designed and defended Architectural Decision Records (ADR), aligning technical solutions with business objectives.The number of incorrectly made decisions on critical architecture changes has been reduced by 20%, which increases the overall flexibility of the project.* Optimized response times for key endpoints by identifying and resolving bottlenecks in the system.The API response time was reduced to 200ms (by 40%), which led to faster and more efficient user interaction.* Led resource planning and allocation to maintain infrastructure stability and operational efficiency.* Improved resource usage, which reduced infrastructure costs.* Engaged in strategic discussions with business stakeholders to prioritize critical tasks and ensure transparent decision-making.* Spearheaded capability domain-driven design, aligning technical architecture with business capabilities.* Facilitated event storming sessions to map out and improve business processes, ensuring better system alignment.* Applied cloud-native principles to design robust, scalable backend solutions with a focus on fault tolerance.* Improved system performance through continuous monitoring and proactive issue resolution, ensuring minimal downtime.Reduced system downtime by 50%, improving overall reliability and user satisfaction.* Collaborated with cross-functional teams to drive technical innovations and deliver high-impact solutions for the business.

Full-stack developer. Use golang, php, js, mysql, postgres, mongodb, redis, rabbitmq, kafka, HTML\CSSRewrote mwp from php on go microserviceSQL query optimizationIntegration with third-party systems, including through p2pHelped lead backend development and engineeringDesigned and architected microservice features from the ground up for a rapidly growing businessImproved and contributed to current development and engineering practicesExperience with big data in a database engine (PostgreSQL, MongoDB, ClickHouse, Redis)Ensured any enhancements and requests are filled.

Full-stack developer.Use php, laravel 5, js, mysql, redis, HTML\CSSDesigned, implemented, documented, and successfully deployed warehouse integration code in PHP (Laravel)PHP engineered, an awesome product - then website bot - for social media promotions (Instagram, VK, Facebook).Code sold to hundreds of users, project, and support closed.As a back-end developer, working with the front-end team to ensure the backend server and database were accessed easily and precisely.

Editing online stores. Writing automation scripts. Web site parsers.