Keep it simple
Keep it simple

About

My name is Peter Lalovsky and i am Canada based, bilingual Databricks, Microsoft SQL Server certified professional with more than 20 years experience in IT, including the last 10 years in Data Engineering and Business Intelligence.

My Expertise

  • Perform analysis, design, development and integration tasks
  • Data modeling (Data Vault; Star Schema; Bridge, Junk Dimensions; Data Snapshot; Entity-Attribute-Value) using modern BI tools on Azure (ADF, Synapse, Databricks, Fabric, Power BI)
  • Architect and develop big-data fully automated backend ETL solutions in Databricks and Azure Cloud, include full log, error handling and error reporting
  • Data ingestion by using multiple data sources – structured, semi-structured, non-structured, API, flat files and others
  • Build reports and documentations of the back-end solutions
  • Develop backend automations with Databricks, Azure, SSIS, API, PowerShell, Python, C#
  • Focused on results, efficiency and customer satisfaction

Examples of my data solutions

  • ETLs that ingest data from various data sources, cleanse and transform and validate data, based on flexible and dynamic rules, create data warehouse
  • Integrations to migrate and transformation data from the current version of the application to the new one; integrate the data between AVEVA PI System into Ekhosoft
  • Core functionality as backend component (Rule manager)
  • Automatons to exchange of data between databases on scheduled basis; Determine and process only the upserted SSAS partitions
  • Optimizations as build reusable frameworks that save development and deployment time; rewrite code to tale less execution time and resources.
  • Reporting with Power BI, Tableau, SSRS
  • Migrate legacy systems to Azure, SAS to Databricks

The Book

I am the author of the book Learn Microsoft SQL Server Intuitively. Transact-SQL: The Solid Basics, intended for Beginner/Intermediate audience and I am also constantly learning and exploring new technologies to be able to cover the evolving need of the data manipulation, transformation and representation.

The Technologies

LanguagesSQL, Python, PySpark, PowerShell, Shell, ASP.NET, C#, Java, PHP
CloudAzure, AWS
AutomationAirflow, SSIS
DatabaseSQL Server, Oracle, MySQL, PostgreSQL, Kafka, Cosmos DB, MongoDB
ReportingPower BI, Tableau, SSRS
VM and ContainerizationVMWare, Virtual Box, KVM, Hyper-V, Docker, YAML
Cloud data platformJupiter Notebooks, Databricks, Fabric, Delta Lake
Web ServiceREST API, JSON, XML, Atom
Operating SystemsWindows, Linux, OS X
Team collaborationAgile, Scrum, Jira, Git, DevOps