Data Engineer

Data Engineers propel your project forward by implementing methods to improve data reliability and quality. Data Engineers put together raw information from different sources to create consistent and machine-readable formats.

Salary

Data Engineer

Avg. annual salary

$

28 884

Mission Critical Skills for a

Data Engineer

Senior Data Engineer 

Senior Data Engineer candidate should have at least 5 years of proven experience working in a data engineering department as a Data Engineer. A strong candidate has extensive experience working with varied forms of data infrastructure. This position calls for such skills:


  • Experience working with relational databases such as SQL, Hadoop, Spark and column-oriented databases such as Redshift, MySQL, and Vertica
  • Experience in data warehousing inclusive of dimensional modeling concepts and demonstrate proficiency in scripting languages (Python, Perl)
  • Experience with big data infrastructure inclusive of MapReduce, Hive, HDFS, YARN, HBase, Oozie
  • Substantial experience and in-depth knowledge of data mining techniques, relational, and non-relational databases
  • Strong communication skills
  • Strong computer skills and passion for analytics

Middle Data Engineer 

Middle Data Engineer candidates should possess at least 3 years of proven experience as a database engineering support personnel or a database engineering administrator. A strong candidate must possess the following skills: 


  • At least 3 years of Experience working with MySQL databases and Microsoft SQL
  • Experience working with large and complex data sets
  • Experience working in internet technologies, for example, SaaS, IaaS, and PaaS.
  • Strong knowledge of building and maintaining physical and logical data models
  • Experience with Tableau, Domo, or other business intelligence tools.
  • Strong communication skills


Junior Data Engineer 

If you want to hire a Junior Data Engineer, you should be evaluating someone with 1 to 3 years of proven experience as a Data Engineer. A strong candidate should have the following skills: 

  • 1-3 years of proven experience as a software engineering
  • Familiarity with MySQL databases and Microsoft SQL
  • Familiarity with databases
  • Strong teamwork and collaboration skills
  • Excellent written and oral communication skills
  • Strong desire to learn

Does your project require a

Data Engineer

Data Engineers are responsible for developing and maintaining analytics infrastructure that enables practically every other feature in the data world. They are responsible for architecture development, design, maintenance, and testing, such as databases and large scale processing systems.


Projects That Require A Data Engineer

  • Aligning architecture with business requirements
  • Developing data set processes
  • Finding solutions to improve data reliability, efficiency, and quality

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Data Engineer

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Vadym Mosha

Summary

Certified Information Technology professional with focusing on Business Intelligence and Data Processing. Work with MS SQL Server from version 2000 to 2016 including: SQL Server Analysis Services (SSAS) SQL Server Integration Services (SSIS) SQL Server Reporting Services (SSRS) Experience in work with relational, multidimensional and tabular models. Experience in built different Data Warehouses and Data Lakes both from scratch and improvement existing systems.

Specialties: Languages: Spark, Scala, T-SQL Relational databases: MS SQL Server 2000 - 2016 No-SQL databases: Cassandra Source control: GIT, TFS IDE: IntelliJ IDEA, Visual Studio Technologies: DWH, OLAP, ETL

Experience

SoftServe

Dates of Employment: October 2019 - Present (8 months)

Position: Senior Data Engineer

EPAM Systems

Dates of Employment: March 2016 - June 2019 (3 years 4 months)

Position: Senior BI Developer / Data Engineer

EPAM Systems

Dates of Employment: March 2012 - February 2016 (4 years)

Position: Senior BI Developer

SC Johnson

Dates of Employment: June 2010 - March 2012 (1 year 10 months)

Position: Analyst-programmer, Business Intelligence Developer

Artur-K

Dates of Employment: March 2008 - June 2010 (2 years 4 months)

Position: Business Intelligence Developer

Truck Service Group

Dates of Employment: February 2006 - February 2008 (2 years 1 month)

Position: OLAP & Database Developer

Skills & Expertise

  • Data Warehousing
  • Apache Kafka
  • Certified Information Technology Professional
  • Data Modeling
  • XML
  • Scala
  • ETL
  • IntelliJ IDEA
  • Databases
  • Stored Procedures
  • Business Intelligence
  • MDX
  • Data Mining
  • OLAP
  • SSRS
  • T-SQL
  • Database Development
  • Apache Spark
  • SSAS
  • Analysis Services
  • Data Engineering
  • Data Warehouse Architecture
  • Big Data
  • TFS
  • Data Integration
  • Microsoft SQL Server
  • SSIS

Education

Ukrainian Institute for Scientific, Technical and Economic Information Computer and automation systems programming, 2003 - 2004

National Technical University of Ukraine 'Kyiv Polytechnic Institute' Specialist, Chemical engineering, 1993 - 1999

Volodymyr Koshlatyi

Summary

Database structure design and performance tuning. Developing ETL processes. Developing data visualization dashboards and reports.

Databases: MS SQL, MySQL, Hive, Redshift, Athena. BI technologies: Tableau, FastReport, Superset.

ETL tools: Talend Studio.

Cloud technologies: Amazon Web Services, Google Cloud.

Bigdata: Hadoop, Spark, YARN. Python, Airflow, Jira, GitLab.

Experience

Lohika

Dates of Employment: June 2019 - Present (1 year)

Position: Senior Data Engineer

Creating ETL data pipelines with Talend Studio


Lohika

Dates of Employment: October 2018 - June 2019 (9 months)

Position: Middle SQL Engineer

Creating different types of new charts and dashboards. Creating pipelines for identifying data inconsistencies between different services. Analyzing and resolving data inconsistencies.


N-iX

Dates of Employment: August 2017 - October 2018 (1 year 3 months)

Position: Middle Data Quality Engineer

Creating new charts and reports. Creating pipelines for finding and alerting data discrepancies. Identifying and resolving data discrepancies. Extracting, transforming and loading data from source (MS SQL, MySQL, CSV, JSON) to target (Hive, Parquet, ORC).


ELEKS

Dates of Employment: December 2015 - August 2017 (1 year 9 months)

Position: Junior MS SQL Developer

Checking and optimizing DB performance (Profiler, Extended Objects). Designing DB structure (tables, indexes, views, stored procedures). Analyzing and optimizing performance of existing stored procedures, functions, indexes. Designing new charts and reports.


ULTRA IT

Dates of Employment: August 2012 - October 2015 (3 years 3 months)

Position: Software Implementation Specialist

Configuring software based on customer requirements. Software functional testing. Developing financial reports for customers. Administering and maintaining customer databases. Identifying and fixing data issues.

Skills & Expertise

  • Hive
  • Gitlab
  • JIRA
  • Extract, Transform, Load (ETL)
  • Python
  • Amazon Redshift
  • Database Development
  • MySQL
  • Athena
  • Amazon Web Services (AWS)
  • Microsoft SQL Server
  • Bash
  • SQL Tuning
  • SQL

Education

State University 'Lviv Polytechnics' Master’s Degree, Software of systems, 2007 - 2012

Taras

Summary

Interested in distributed data processing, functional programming. Love Spark, have good knowledge of MapReduce paradigm and Hadoop ecosystem. Have experience in ad tech (RTB), FinTech, IoT domains.

Experience

Sigma Software Group

Dates of Employment: November 2019 - Present (7 months)

Position: Senior Data Engineer

Project in AdTech domain Technical stack: Scala, Spark, Hive, Presto, ClickHouse, GCP (Storage, Dataproc), Jenkins

Lohika

Dates of Employment: February 2019 - November 2019 (10 months)

Position: Senior Data Engineer

The client is one of the world largest marketplace, dealing with billion events per day. Working on data pipeline that generates accounting data.

Technical stack: Scala, Spark, Presto, Superset, Hive, Airflow, Hadoop (YARN, HDFS), AWS (S3, EMR)

Responsibilities:

  • Create Spark jobs for generating financial reports
  • Improving performance of Spark applications - Communicating with upstream teams, Accounting and Tax teams, gathering requirements.

Lohika

Dates of Employment: October 2018 - February 2019 (5 months)

Position: Data Engineer

GlobalLogic

Dates of Employment: October 2017 - October 2018 (1 year 1 month)

Position: Java/Big Data Software Engineer

Technical stack: Spark, Hadoop (HDFS, MapReduce), Druid, Scala, Java 8, Vert.x, Spring Framework (IoC, MVC, Data), Hibernate, MySQL, Maven.

Responsibilities:

  • Migrating MapReduce jobs to Spark (scala), back-end API development
  • Improving performance of Spark applications
  • Communicating with the customer

CyberVision, Inc

Dates of Employment: July 2016 - September 2017 (1 year 3 months)

Position: Java/Big Data Developer

Responsibilities:

  • Analytics engine development, back-end development

Technical stack: Spark (Core, Streaming, SQL), Kafka, Cassandra, Redis, Java 8, Spring Framework (IoC, MVC, Security), Hibernate, Postgres, JUnit, Mockito, Maven,
Jenkins

BU Dev Studio

Dates of Employment: January 2016 - June 2016 (6 months)

Position: Git Java Developer

Has was working on a short project (6 months) as Backend developer.

My responsibilities included:

  • System designing
  • Back-end and front-end development
  • Communicating with the customer

Technical stack: Java 8, Spring Framework (IoC, MVC, Data, Security), Hibernate, MySQL, Liquibase, JUnit, Maven, jQuery, Semantic UI, JIRA, Jenkins, Git

NTUU "KPI", ACTS

Dates of Employment: October 2015 - February 2016 (5 months)

Position: Junior Java Developer

Responsibilities:

  • System development and code refactoring

Technical stack: Java 8, Google guice, JUnit, Mockito, log4j2

Skills & Expertise

  • Git
  • MapReduce
  • HDFS
  • Core Java
  • Spring Framework
  • Druid
  • Scala
  • Maven
  • Cassandra
  • REST
  • JUnit
  • Spring MVC
  • Kafka
  • Hibernate
  • Spark
  • MySQL
  • Big Data
  • Design Patterns
  • Java
  • Hadoop
  • SQL

Education

National Technical University of Ukraine 'Kyiv Polytechnic Institute' Master's degree, Computer Science, 2018 - 2019

National Technical University of Ukraine 'Kyiv Polytechnic Institute' Bachelor's degree, System engineering, 2014 - 2018

BIONIC University Java EE Pre-Production, 2015 - 2016

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Data Engineer

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