Mark Netreba

Responsibilities and Achievements:

- Architected and participated in setup of the DWH and ETL processes

- Participated in setup of the infrastructure for DE

- Setup the incident management system with DE team

- Regular collaboration with analytics and DevOps teams

- Guiding junior data engineers

- Setup practices of sprint planning and grooming

- Setup PR process for DE

Responsibilities & Achievements:

- Architected and implemented distributed extraction algorithm for company purposes

- Architected and developed several ETLs with Big Data stack

- Increased company's saving for data processing with AWS resources and regular cost analysis

- Collaborate with ML team

Responsibilities & Achievements:

Working as a Big Data engineer with Hadoop cluster and Big Data stack:

• Architected and participated in creation of DWH;
• Architected and participated in migration flow to cloud with Hive and Sqoop;
• Added some KPI calculation with Spark;
• Data analyze and data processing with Spark(Core, SQL), PySpark;
• ETLs administration with Airflow, NiFi;
• Data querying with Hive and Beeline;
• Design and implementation of various features in the backend with Flask;
• Work with cloud technologies, like GCP (BigQuery, DataProc) and AWS (EC2, S3);

Technologies: Spark, PySpark, HDFS, NiFi, Azkaban, Hive, Sqoop, Pig, Kafka, Flume, AWS, GCP, Flask;

Responsibilities & Achievements:

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
• Added realtime news feed
  

Technologies: Python, Django framework, Redis, PostgreSQL, WebSocket;

Responsibilities:

• Medicine web applications backend development with Spring and Play framework and frontend development with Vue, ExtJs, Backbone, React;
• Helped company with maintaining it's VoIP project;

Achievements:

• Architected and developed from scratch application for offline clinic's registry;
• Trained several engineers from junior to senior level;
• Became mentor for company newcomers;

Technologies: Java 8, Scala, JS, Akka, Play framework, Spring: MVC, Security, Boot, Data;
VueJS, Electron, Backbone, ExtJs, React, LESS; MongoDB, Firebird;