Position: Data Engineer
Category: Data Engineer
English level: fluent
Years of experience: 4

Accomplishments:

AM-BITS LLC:

    Real-time Data Processing Leadership: Spearheaded the development of a real-time data integration system, leading to a 35% increase in data processing speed and achieving 99.5% accuracy in data integrations.

    Database Efficiency: Successfully migrated over 3TB of data from Oracle to PostgreSQL, resulting in a 25% improvement in query performance and a 15% reduction in infrastructure costs.

    Cloud Scalability: Migrated over 5TB of crucial datasets to cloud platforms (AWS S3 & Snowflake), realizing a 20% cost saving in storage expenses.

    Client Satisfaction: Guided a telecom client in their transition from Oracle to HDP, leading to a 30% cost reduction and a 90% satisfaction rate from the client.

MDM-Group:

    ETL Performance: Revamped and optimized ETL workflows with Apache Airflow, resulting in a 20% decrease in data latency and ensuring 24/7 data availability for analytics.

    Stakeholder Engagement: Integrated Apache Superset with the company's HDP stack, giving stakeholders real-time business insights which boosted data-driven decisions by 40%.

Kyiv Polytechnic Institute StartUp:

    QA Excellence: Identified and resolved over 150 platform discrepancies, ensuring optimal user experience for academic platforms.

    Automation Mastery: Implemented automated testing procedures with JMeter, reducing manual testing time by 45% and expediting the QA cycle by 30%.
AM-BITS LLC - Big Data Engineer (Apr 2021 - Present)

Real-Time Data Integration:

    Role: Lead Data Engineer.
    Tech: PySpark, Kafka, HBase.
    Details: Developed a real-time data system using PySpark & Kafka; enabled scalable storage with HBase.

Database Migration:

    Role: Data Engineer.
    Tech: PostgreSQL, Spark, Kafka, MongoDB.
    Details: Migrated data from Oracle to PostgreSQL using PySpark, Kafka, and MongoDB.

Cloud Migration:

    Role: Data Engineer.
    Tech: HDP, Apache Nifi, Hive, AWS S3, Snowflake.
    Details: Transitioned data to AWS S3 and Snowflake; aided a telecom client's transition from Oracle to HDP.

MDM-Group - Big Data Engineer (Nov 2019 - Jan 2021)

ETL Enhancement:

    Role: Data Engineer.
    Tech: Airflow, HDFS.
    Details: Optimized ETL workflows using Apache Airflow.

BI & Visualization:

    Role: BI Specialist.
    Tech: Superset, HDP.
    Details: Integrated Superset with HDP for real-time insights.

Kyiv Polytechnic Institute StartUp - QA Engineer (Aug 2018 - Feb 2019)

Academic Platforms QA:

    Role: QA Specialist.
    Tech: JMeter, Python.
    Details: Quality assurance for academic platforms using manual and automated testing.

Current Learning:
Enhancing skills in Tableau for better data visualization. Diving into Kubernetes for efficient model deployment.