I'm an expert in many server-side technologies, putting emphasis on scalability, performance, security and maintainability. more than 5 years of experience with NodeJS, Express, API development, building a monolithic and microservices architecture that can scale to millions of TPS. Also developing backend solutions using Java, and Python (Django, Flask). Integrating and designing almost any DB - MongoDB, PostgreSQL, Redis, MySql, Oracle, SQL Server, CouchDB