Николай Белоус
@0002287
Senior Data Engineer driving scalable data platforms and robust financial analytics.
What I'm looking for
I am a Senior Data Engineer with deep experience building and operating scalable data platforms for banking and fintech, leading migrations and modernizing critical reporting pipelines.
I led a large-scale migration from SAS to a Hadoop-based Data Lake and developed reusable Airflow components (SFTP ingestion, metadata-driven dynamic DAGs), integrated streaming with Kafka, and supported regulatory reporting workflows.
I mentor teammates, drive best practices in Python, SQL, and data modeling (including Data Vault 2.0 concepts), and contribute to platform products using PostgreSQL, Docker, Kubernetes, FastAPI, and CI/CD.
Experience
Work history, roles, and key accomplishments
Senior Data Engineer
Raiffeisen Bank International AG
May 2022 - Present (3 years 10 months)
Led migration from SAS to a Hadoop-based Data Lake and replatformed critical reporting pipelines, improving maintainability and performance; developed secure Airflow components and mentored team members to harden production data workflows.
Data Engineer
Gazprombank
Dec 2021 - Mar 2022 (3 months)
Developed scalable Spark data processing applications for financial analytics, optimized SQL data marts for performance, and standardized Git workflows to improve team collaboration.
Data Engineer
CloudPayments
Aug 2021 - Nov 2021 (3 months)
Built and maintained ETL pipelines with Apache NiFi, designed Greenplum data marts for finance/product teams, and implemented reconciliation processes to ensure data consistency across sources.
Data Engineer
Centre for Strategic Planning of FMBA of Russia
Aug 2020 - Sep 2021 (1 year 1 month)
Designed and implemented a PostgreSQL medical data warehouse with automated schema generation and reusable ETL pipelines, resolved critical MongoDB ingestion issues, and delivered comprehensive maintainability documentation.
Education
Degrees, certifications, and relevant coursework
National Research University of Electronic Technology (MIET)
Bachelor's degree, Electrical and Electronics Engineering
2016 - 2020
Bachelor's degree in Electrical and Electronics Engineering completed from September 2016 to September 2020, providing a foundation in electronics and engineering principles relevant to data engineering.
Availability
Location
Authorized to work in
Job categories
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