Description

Senior Python & Data Engineer with 6+ years in fintech. I design and build real-time data pipelines, ETL/ELT systems, and cloud-native data infrastructure for financial markets. Experienced with AWS (Lambda, Glue, S3), Apache Spark, Snowflake, ClickHouse, and event-driven architectures. Previously built market data ingestion systems handling FIX and ITCH protocols at LSEG. I deliver reliable, production-grade data systems - from pipeline architecture to deployment.

Industry field of expertise

Languages

Ukrainian
Native or bilingual
English
Fluent

Workplace preferences

Remote only

Primarily works remotely

Freelance & Contract Projects
Senior Python Engineer
SOFTWARE PUBLISHING
February 2025 - Today (1 year and 4 months)
Built real-time risk data pipelines for fintech clients using AWS Lambda, SQS, and S3 for market and trade data ingestion. Developed high-throughput analytical systems with ClickHouse for event storage and anti-abuse detection. Delivered custom data ingestion modules and fraud detection pipelines across multiple fintech projects.
Python Amazon Web Services Apache Spark PostgreSQL
Luxoft (LSEG — London Stock Exchange Group)
Senior Software Engineer
SOFTWARE PUBLISHING
January 2022 - February 2025 (3 years and 1 month)
Kyiv, Ukraine
Designed and implemented data extraction pipelines using AWS Lambda, AWS Glue, and Snowflake supporting multiple market data feeds. Built high-throughput trade data pipelines with PySpark across multiple sources with distinct normalization rules. Developed market data ingestion system handling ITCH and FIX protocols via raw sockets. Delivered Python ETL pipelines on AWS with low-latency processing components.
Python Amazon Web Services Snowflake
Quod Financial
Software Engineer
SOFTWARE PUBLISHING
July 2020 - January 2022 (1 year and 6 months)
Kharkiv, Ukraine
Maintained production FIX gateways (4.2, 4.4) for order management systems. Debugged connection drops, sequence gaps, and message parsing issues in high-load trading environments.