• A skilled Java/Scala developer who have more than 3 years of practical experience in using new tools and technical developments to drive improvements throughout an entire software development lifecycle. I've attended several projects related to the advertisement network system and built data processing systems with some new technologies such as Kafka, Spark/Storm, Hadoop, Redis, Cassandra, etc. • 3+ years of experience as a Java/Scala developer in a variety of development and engineering positions. • 3+ years of experience in working with Linux system. • 2+ years of practical experience with: - Big data systems (batch & stream) such as Hadoop, Spark, Storm, etc. - Queue system such as Kafka and RabbitMQ. - The search engine such as Elasticsearch. - Cache database such as Redis. - SQL and NoSQL database such as MySQL, Postgres, Cassandra, MongoDB, Hive, etc. - Some tools such as Nginx, Docker, etc. • 1+ years of practical experience with Play framework to create endpoints for the back-end side. • I'm always looking for new opportunities to challenge my developing and problem-solving skills and allow me to continue to develop my knowledge and potential. • My current areas of interest: + Distributed systems and microservices. + Back-end programming & big data processing. + Infrastructure, DevOps tools, and practices.