I'm an IT specialist with over 3 years of experience in large production environment. I have been focusing on database administration, optimization, designing and developing for the last 2 years. I have skills in RDBMS(primarily MySQL/PostgreSQL/SQLite/Oracle) & NoSQL(MongoDB/Cassandra). My main responsibilities are: - troubleshooting and performance tuning (including database schema changes, revising indexes, rewriting complex queries and stored procedures) - assistance to application developers teams in architectural design and analysis of different databases related issues, direct participating in the implementation of provided solutions