Mark Netreba

Working as a Big Data engineer with Hadoop cluster and Big Data stack: - Architected and participated in migration flow to Hive with Sqoop - Architected and participated in creation of EDW - Data analyse and data processing with Spark(Core, SQL), PySpark - DAG manipulation with NiFi and Airflow - Flow and jobs creation with Azkaban - Scheduling data flows with Azkaban, Airflow and NiFi Technologies: Spark, PySpark, HDFS, NiFi, Azkaban, Hive, Sqoop, Pig, Kafka, Flume, AWS, GCP;

Backend development for blockchain startup company: - Architected and participated in development of blockchain exchange service - Implemented processing of HD wallets - Implemented OAuth authentication - Development of exchange service with Python 3 and Django framework - Working with Google API - Added realtime news feed Technologies: Python, Django framework, Redis, PostgreSQL, WebSocket;

Medicine web applications backend development with Spring and Play framework and frontend development with Vue, ExtJs, Backbone; - Became team leader for company newcomers (4 developers in my team); - Architected and implemented message system with Akka - Developed from scratch application for one of company clients; - Trained several engineers from junior to senior level; Technologies: Java 8, Scala, JS, Akka, Play, Spring: MVC, Security, Boot, Data; Vue, Electron, Backbone, ExtJs; MongoDB

Responsibilities: -Medicine web applications backend development with Spring and Play framework and frontend development with ExtJs, Backbone -Maintained IP telephony project of company with PHP -Interviewing possible newcomers Achievements: -Architected and implemented web registry for clinics with Spring and ExtJs -Helped to implant video chat for communication with doctors (telemedicine) Technologies: Java 8, Scala, JS, Play framework, Spring: MVC, Security, Data; Backbone, ExtJs; MongoDB