20+ years of experience in software engineering. Worked in Internet, financial, and telecommunications industries. Experience with mobile development using Android since version 2.3. Experience in publication process in Google Play and App Store. Experience with distributed systems and service oriented architecture (SOA). Proficiency in Java, JEE and frameworks like Spring, JSF, Hibernate. Up-to-date with the industry's latest technologies. Certifications: Sun Certified Java Programmer and Sun Certified Web Component Developer Good communication skills. Total Experience: 20+ years; Development Methodology: SCRUM, RUP; O.S.: Android, Unix/Linux, MacOSX and Windows; Languages: Java (JEE, JSE, including many frameworks), Javascript / ES6, NodeJS, Python; Database: Oracle, Mysql, SQLServer, MongoDB, SQLite;