Kirill Chulkov
Verified Expert in Engineering
Data Engineer and Developer
Kirill is a data engineer and ETL developer with six years of experience developing big data pipelines using Apache Spark, Teradata, Apache Hive, Apache Airflow, and various SAS products. He is proficient in gathering requirements from stakeholders, analyzing data sources, and building complicated processes from scratch. Kirill has always been attentive to details, customer-oriented, and focused on results.
Portfolio
Experience
Availability
Preferred Environment
Windows, IntelliJ IDEA, PyCharm, Teradata SQL Assistant
The most amazing...
...things I've developed are pipelines for massive personalization of the Sberbank app of 70 million monthly unique users using Teradata, Spark, and Airflow.
Work Experience
Senior Data Engineer
Sberbank
- Designed, developed, implemented, and supported new and existing data integration jobs using Teradata, Spark, Greenplum, and Airflow for mass personalization of the Sber online app.
- Participated in the migration from Teradata to Hadoop using Hive, Spark, Java, and Scala.
- Produced ad hoc reports to answer business questions.
- Troubleshot, diagnosed, and resolved data quality and performance issues.
- Gathered the requirements from stakeholders.
Senior ETL Developer
GlowByte Consulting
- Performed various ETL processes, including developing the main tool SAS DI, building databases with Teradata, Oracle, and Impala, and programming using SAS Base, SAS Macros, and SQL.
- Developed macros for RWA models' validation, such as the main tool SAS Decision Manager, and programmed using SAS Base, SAS Macros, and SQL.
- Designed and developed infrastructure for RWA calculation and IFRS9 reports, including the main tool SAS ECL and databases with Teradata, Hive, and Impala.
- Programmed with SAS Base, SAS Macros, SQL, and Lua and transferred data between Teradata and HDFS to Sqoop.
- Conducted interviews, supervised the junior developers, and wrote the project documentation.
Consultant SAP CO
Entum ERP
- Supervised the full lifecycle of SAP CO implementation in the oil and gas industry.
- Participated in integration with other modules, including FI, SD, MM, PS, and PM.
- Maintained the settings of different components, including product cost controlling and profitability analysis.
- Trained the key users and customer support groups.
- Led the working group in developing technical specifications and wrote the project ducumentation.
Experience
Customers' Payments and Money Transfers Prediction for Sberbank Online App
As a data engineer, I developed and maintained the pipelines, prepared ML models' data, gathered requirements, analyzed data for new types of operations such as transfers abroad, troubleshot, and operated with billions of rows. The application had over 70 million unique customers per month.
Risk-weighted Assets Calculation for VTB
As a leading data engineer of the project, I oversaw more than 20 ETL jobs and several ML model evaluations. Technologies I used in the project included Teradata, SAS DI, SAS ECL, Oracle Database, Hive, Impala, and Sqoop.
Skills
Languages
SQL, SAS, Lua, Scala, Python
Tools
Teradata SQL Assistant, SAS Data Integration (DI) Studio, IntelliJ IDEA, PyCharm, Oozie, Apache Airflow, Apache Impala, Apache Sqoop
Storage
Teradata, Apache Hive, Databases, Greenplum, HBase
Frameworks
Apache Spark, Hadoop, Spark Structured Streaming
Paradigms
ETL, Agile, MapReduce
Other
Data Engineering, Base SAS, SAS ECL, Large Data Sets
Platforms
Oracle Database
Education
Specialist Diploma in Information Security
National Research Nuclear University MEPhI - Moscow, Russia
Certifications
Hadoop Ecosystem
SberUniversity
Apache Spark for Data Engineering Tasks
NewProLab
CCA Spark and Hadoop Developer
Cloudera
SAS Certified Base Programmer for SAS 9
SAS
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