I have experience in creating applications from scratch, support, migration of legacy code to modern frameworks, step-by-step rewriting, integration of third-party services, splitting monolithic applications into microservices, database optimization, project/ function planning, and teamwork organization. Worked in various roles as an only Backend software engineer, Full Stack, and Team Lead, indifferent team sizes - from 1 to 30+ (per project), remotely, offline, and mixed.