
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
| Languages | SQL, Python, PySpark, PowerShell, Shell, ASP.NET, C#, Java, PHP |
| Cloud | Azure, AWS |
| Automation | Airflow, SSIS |
| Database | SQL Server, Oracle, MySQL, PostgreSQL, Kafka, Cosmos DB, MongoDB |
| Reporting | Power BI, Tableau, SSRS |
| VM and Containerization | VMWare, Virtual Box, KVM, Hyper-V, Docker, YAML |
| Cloud data platform | Jupiter Notebooks, Databricks, Fabric, Delta Lake |
| Web Service | REST API, JSON, XML, Atom |
| Operating Systems | Windows, Linux, OS X |
| Team collaboration | Agile, Scrum, Jira, Git, DevOps |