Alexey Dmitriev

Tier One Analytics · Budapest, Hungary

• Led the data delivery team in the migration of more than 1500 legacy SAS DI jobs to Databricks, ensuring seamless transition by verifying consistency between SAS and Databricks results.
• Automated the conversion and testing of over 700 SAS DI jobs, saving over 1000 hours of development time with 0 manual intervention.
• Built a data delivery pipeline that decreased time to convert each job by more than 25%.
• Created a unit test framework that automatically generates Databricks jobs and notebooks for transform-level testing, significantly improving validation efficiency.
• Designed an end-to-end testing framework to validate entire jobs, ensuring that migrated jobs function as expected across the full workflow.
• Implemented regression testing to compare job performance across different versions of migration tools, ensuring consistent results and detecting improvements or regressions.
• Analyzed and visualized SAS job metadata to estimate the time and cost for converting over 1,500 jobs, optimizing project planning and resource allocation.

GlowByte Consulting · Moscow, Russia

• Provided solution for data extraction and manipulation for financial systems using different ETL tools.
• Implemented stress and functional testing system for Spark on Kubernetes on the cloud using Airflow.
• Migrated 7TB of data from Teradata to Oracle Exadata reducing database load by 11 percent.
• Participated in recruitment process; supervised a junior developer.
• Successfully handled every stage of tasks, starting with estimating the cost of work and ending with delivering a presentation to a client.
• Implemented a different load type for the Teradata database that reduced AWTs consumption by 400%.
• Created and maintained ETL and ELT pipelines for highly loaded DWH.

LTD Vector · Moscow, Russia

• Developed and implemented control systems for electric drives.
• Implemented software for automatic PID controller tuning using Fourier Transform.
• Developed FPGA software for current and speed measurement using Verilog.

Bachelor of Science in Engineering · Moscow, Russia